Korean Journal of Community Nutrition

Research Articles

[English]
Ultra-processed food intake and dietary behaviors in Korean adolescents: a cross-sectional study based on the 2019–2023 Korea National Health and Nutrition Examination Survey: Jin-A Kim, Sim-Yeol Lee; Korean J Community Nutr 2025;30(6):410-418. Published online December 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00297

Abstract PDF: Objectives
This study aimed to investigate the intake of ultra-processed foods (UPF) and dietary behaviors in Korean adolescents.
Methods
This study used 24-hour dietary recall data from the Korea National Health and Nutrition Examination Survey (2019–2023). In total, 1,720 adolescents aged 12–18 years were included in this study and categorized into quartiles based on the percentage of energy intake from the UPF. Nutritional status, contributing subgroups of UPF intake, and healthy dietary practices were examined using Health Plan 2030 indicators across quartiles of UPF intake.
Results
The nutrient intake of protein, vitamins (A, B1, B2, niacin), and minerals (iron, potassium) was the lowest in the fourth quartile of UPF intake compared with the first quartile (P for trend < 0.001), whereas calcium intake increased across quartiles, from 47.68% in the first quartile to 58.51% in the fourth quartile (P for trend < 0.001). The main contributing subgroups to UPF intake differed across quartiles of UPF intake, and the highest contributing subgroups were ‘instant noodles and dumplings,’ ‘desserts, cakes, and ice cream,’ and ‘sauces and seasonings.’ Healthy dietary practices were the lowest in the fourth quartile (22.18%, P < 0.001), and the proportions of appropriate fat and fruit/vegetable intake were significantly lower in the higher quartiles of UPF intake (P < 0.001).
Conclusion
This study suggests that a lower UPF intake was associated with better nutritional status and healthy dietary practices in Korean adolescents. These findings provide fundamental evidence for promoting healthier food choices and balanced dietary practices.

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[English]
Nutrition Quotient and nutrient intake among older adults in a rural Korean community: a cross-sectional study: Ji-Sook Park, Hyeon-Mi Bae, Jung-Eun Yim; Korean J Community Nutr 2025;30(6):397-409. Published online December 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00283

Abstract PDF: Objectives
Korea is experiencing rapid population aging, with older adults forming a large proportion of rural communities. Aging leads to physiological and functional declines, resulting in lower physical activity, poor diet quality, and higher risk of chronic diseases. Although the Nutrition Quotient for the Elderly (NQ-E) is a validated tool to assess dietary quality, few studies have applied it to rural populations. This study aimed to compare nutrient intake and NQ-E scores by age and sex and examine their associations with lifestyle factors.
Methods
This study investigated the relationship between nutrient intake and NQ-E scores among older adults in rural Korean community, considering age, sex, and lifestyle factors. A cross-sectional study was conducted with 79 community-dwelling older adults (24 male and 55 female; mean age: 76.3 years) residing in Geochang-gun, Gyeongsangnam-do, Korea. Participants were recruited from community centers and health posts between June 2024 and December 2024. Data collection included general characteristics, 24-hour dietary recalls, and NQ-E questionnaires.
Results
Female aged > 75 years had significantly lower intakes of energy, protein, fat, vitamin E, riboflavin, folate, and zinc than their male counterparts (P < 0.05). The mean NQ-E score was 55.01, which was lower than the national average reported for urban older adults (57.6). Participants with higher NQ-E grades had significantly higher intakes of dietary fiber, vitamin A, thiamine, riboflavin, niacin, potassium, and magnesium, and regular physical activity and dietary supplement use were positively associated with higher NQ-E grades (P < 0.01).
Conclusion
These findings suggest that older female in rural communities are particularly vulnerable to inadequate nutrient intake and lower dietary quality, and that the NQ-E is a useful screening tool for identifying nutritional risk in this population. Community-based nutrition interventions promoting physical activity, supplement use, and dietary diversity are warranted to improve dietary quality and support healthy aging.

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[Korean]
Adult consumers’ perception of plant-based meat substitutes and related factors in Korea: a cross-sectional study: Yun-A Lee, Mi-Kyeong Choi; Korean J Community Nutr 2025;30(3):237-248. Published online June 30, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00115

Abstract PDF: Objectives
We aimed to examine differences in experience, consumption, and perception of plant-based meat substitutes according to consumer characteristics, and to identify associated factors.
Methods
In this cross-sectional study, 410 adult consumers were surveyed regarding their eating habits, experience with and consumption of plant-based meat substitutes, and their intentions and perceptions of these products. Statistical analyses were conducted.
Results
Approximately 84% of participants had heard of plant-based meat substitutes, most commonly through mass media and social media. Overall, 65.12% reported having consumed plant-based substitutes, with higher consumption observed among older and more health-conscious individuals. The most common reason for consumption was curiosity about new foods (36.33%), whereas the primary reason for non-consumption was lack of opportunity (61.54%). Additionally, 77.32% of respondents indicated willingness to try plant-based substitutes, with taste identified as the most influential factor in purchasing decisions. Perception of plant-based meat substitutes was rated 3.82 out of 5, with significantly higher awareness among individuals aged 50–64, married individuals, housewives, graduate students or graduates, and those with irregular meal times or infrequent dining out.
Conclusion
Older, married, more educated, and health-conscious individuals who dine out less frequently tend to have higher perception scores for plant-based meat substitutes, along with greater experience and stronger future use intention.

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[English]
Comparison of clinical characteristics and dietary intakes according to phenotypes of type 2 diabetes mellitus in South Korea: a cross-sectional study: Mi-Jin Kim, Ji-Sook Park, Sung-Rae Cho, Daeung Yu, Jung-Eun Yim; Korean J Community Nutr 2025;30(2):127-139. Published online April 29, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00059

Abstract PDF: Objectives
Clinical nutrition treatment is the central part of diabetes management, such as prevention, treatment, and self-management of diabetes, and personalized clinical nutrition treatment, which enables improvement in patients with type 2 diabetes mellitus (T2DM). Our study aimed to contribute to the improvement of appropriate nutrition management in personalized treatment for obese and non-obese diabetes patients.
Methods
T2DM patients were recruited as participants, and 36 final participants were assigned to the lean diabetes mellitus group (LDM; body mass index [BMI] < 25 kg/m2) and the obese diabetes mellitus group (ODM; BMI ≥ 25 kg/m2). We assessed the dietary intakes, body composition, dietary habits, the Korean version of obesity-related quality of life, and biochemical indices.
Results
According to the phenotype’s comparison, the ODM group had a high prevalence of T2DM complications and hypertension, had a dietary habit of less than 10 minutes of mealtime duration and preferred fast food intake, and had a low obesity-related quality of life. However, the LDM group had a high choice of Korean dishes at the time of eating out and a high intake of vitamin C, and iodine because of the intake of vegetables and seaweeds.
Conclusion
We observed differences in diet, nutrient intake, and clinical characteristics according to the phenotype of T2DM patients. In particular, obese diabetes patients have an increased risk of cardiovascular diseases, bad dietary habits, and low obesity-related quality of life. Therefore, personalized nutrition treatment is needed in consideration of the risk of cardiovascular disease and dietary habits for patients in the ODM group, as well as determining the energy requirements of Korean patients with T2DM.

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[English]
Effects of a multi-component program based on partially hydrolyzed guar gum (Sunfiber^®) on glycemic control in South Korea: a single-arm, pre-post comparison pilot clinical trial: Hyoung Su Park, A-Hyun Jeong, Hyejung Hong, Hana Jang, Hye-Jin Kim; Korean J Community Nutr 2025;30(1):40-52. Published online February 28, 2025; DOI: https://doi.org/10.5720/kjcn.2024.00276; Correction in: Korean J Community Nutr 2025;30(2):173

Abstract PDF

Objectives
The aim of this study was to assess the impact of a multi-component program, including partially hydrolyzed guar gum (PHGG, Sunfiber®) supplementation, on glycemic control, gut health, and nutritional status to support diabetes prevention and management among Korean adults.
Methods
A single-arm trial was conducted with 29 adults (aged 20-55 years) with fasting plasma glucose (FPG) ≥ 100 mg/dL. Over a six-week period, participants engaged in a multi-component program that incorporated the supplementation of PHGG (Sunfiber®, 12.5 g/day), weekly nutritional coaching, and the use of continuous glucose monitoring devices. The program’s effectiveness was evaluated by measuring FPG and glycated hemoglobin (HbA1c) levels through blood tests conducted before and after the intervention. Improvements in gut health were gauged using the Korean Gut Quotient Measurement Scales, while enhancements in nutritional status were assessed using the Nutrition Quotient (NQ) and surveys that evaluated improvements in gut health and nutritional status.
Results
Participants’ average age was 43.89 years, with approximately 80% being male. Most participants (about 75%) were classified as overweight or obese. After six-weeks, 17 participants who adhered closely to the program (meeting certification criteria) exhibited significant reductions in key blood glucose markers. FPG levels decreased from 113.06 ± 23.16 mg/dL to 106.24 ± 16.33 mg/dL (P < 0.05), and HbA1c levels decreased from 6.08% ± 0.81% to 5.87% ± 0.53% (P < 0.05). The NQ evaluation revealed significant increases in comprehensive nutrition scores, and in the balance and practice domain scores for all participants (P < 0.05). Furthermore, in the gut health survey, approximately 82.1% of all participants reported experiencing positive changes.
Conclusion
Among adults with elevated FPG levels, a multi-component intervention program that included PHGG (Sunfiber®) supplementation, structured dietary management, and the use of health-monitoring devices showed significant benefits in improving glycemic control, overall nutritional status, and gut health. Trial Registration: Clinical Research Information Service Identifier: KCT0010049.

Citations

Citations to this article as recorded by

Comparative analysis of dietary and lifestyle habits according to the prediabetic status in young adults
Joungyoon Seo, SeongHee Shin, Yuri Kim, Yoo Kyoung Park
Journal of Nutrition and Health.2025; 58(5): 468. CrossRef
Partially Hydrolyzed Guar Gum Combined with a Low-Fat Diet Ameliorates Type 2 Diabetes Mellitus via Modulating Gut Microbiota and Fecal Metabolites
Zhiqiang Cao, Hongxia Li, Quantao Cai, Li Chen, Liangzhong Liu, Yuhan Tang, Zhe Zhu, Ping Yao
Nutrients.2025; 17(23): 3746. CrossRef

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2 Crossref

[English]
Outcome expectations, self-efficacy, eating environment, and eating behaviors by the stages of change in adequate sodium intake among university students: a cross-sectional study: Yeon Gyu Im, Kyung Won Kim; Korean J Community Nutr 2024;29(5):382-395. Published online October 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00010

Abstract PDF: Objectives
This study investigated whether outcome expectations, self-efficacy, eating environment, and eating behaviors differed according to the stages of change in adequate sodium intake among university students. Methods: The participants were students recruited from nine universities in Seoul, Korea. An online survey was conducted, and data from 351 participants were analyzed. Participants were classified into pre-action and action stages based on adequate sodium intake. Data were analyzed using t-test, χ2-test, analysis of covariance, and correlation analysis. Results: Participants in the action stage (22.8%) felt fewer disadvantages of eating sodium adequately compared to those in the pre-action stage (77.2%, P < 0.001) and perceived more self-efficacy for healthy eating behaviors (P < 0.001) and controlling sodium intake (P < 0.01). The participants in the action stage also showed more desirable eating behaviors than those in the pre-action stage, including general eating behaviors, behaviors related to sodium intake, and sodium checks (P < 0.001). The physical environment in the action stage was more supportive of adequate sodium intake (P < 0.05). Eating behaviors, self-efficacy, and outcome expectations were significantly correlated with the stages of change; however, some differences were noticed in the correlation of the subscales of variables with the stages of change when examined by sex. Conclusion: We observed differences in factors according to the stages of change in adequate sodium intake. For the pre-action stage, nutrition education can be planned to modify negative expectations of eating adequate sodium, foster self-efficacy, and practice general eating behaviors and behaviors to gradually reduce sodium intake. It is also necessary to alter the physical environment to reduce sodium intake. In the action stage, support and reinforcement are needed to continually practice and maintain desirable eating behaviors. Nutrition education for women may be planned using multiple paths, whereas a simple strategy may be useful for men.

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[English]
Eating habits and dietary supplement utilization according to food-related lifestyle among Korean adults: a cross-sectional study: EunJung Lee, Jin A Jang, Ji-Myung Kim; Korean J Community Nutr 2024;29(4):253-264. Published online August 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00017

Abstract PDF

Objectives
This study investigated the association between eating habits and the utilization of dietary supplements (DSs) according to food-related lifestyle (FRL) among Korean adults. Methods: This study included a total of 300 participants (150 men and 150 women) in their 20s to 60s living in Seoul and Gyeonggi Province. We identified two groups by factor and cluster analysis: an ‘active pursuit’ group and a ‘passive pursuit’ group. Differences in eating habits and DS utilization between the two groups were analyzed by chi-square test and t-test. Logistic regression analysis was used to analyze the effect of variables on DS consumption according to FRL. Results: There were significant differences between the two groups in terms of age, alcohol drinking frequency, total dietary score, change in DS consumption after coronavirus disease 2019, and current DS consumption (P < 0.05). The proportion who perceived many health benefits of DSs was higher in the ‘active pursuit’ group than in the ‘passive pursuit’ group (P = 0.003). The most commonly consumed type of DSs was multivitamins & minerals for the ‘active pursuit’ group, and omega-3 fatty acids for the ‘passive pursuit’ group. The ‘an active pursuit’ group consumed DSs 2.93 times more (95% confidence interval [CI]: 1.44–5.97) compared to the ‘passive pursuit’ group, after adjusting for confounders. In the ‘active pursuit’ group, the health pursuit (odds ratio [OR] = 6.54, 95% CI: 1.44– 29.61) and rational consumption pursuit factors (OR = 0.26, 95% CI: 0.08–0.83) were associated with DS consumption, whereas only the health pursuit factor had a significant association (OR = 5.37, 95% CI: 2.08–13.88) within the ‘passive pursuit’ group. However, total dietary score and DSs consumption did not show a relationship. Conclusions: By understanding the consumption characteristics of DSs according to FRL, this can serve as basic data necessary for promoting health through the utilization of DSs and healthy behaviors.

Citations

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Discovering Vitamin-D-Deficiency-Associated Factors in Korean Adults Using KNHANES Data Based on an Integrated Analysis of Machine Learning and Statistical Techniques
Hongryul Ahn, Seungwon Kim, Jinmyung Jung, Chan Park
Nutrients.2025; 17(4): 618. CrossRef

4,975 View
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[English]
Effects of a nutrition education program on metabolic syndrome risk factors in middle-aged Korean adults: an intervention study: Minji Kang, Young-Hee Park, Subeen Kim, Eunyoung Tak, Hyun Wook Baik, Hee Young Paik, Hyojee Joung; Korean J Community Nutr 2024;29(4):265-277. Published online August 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00005

Abstract PDF: Objectives
This study was conducted to evaluate the effects of a nutrition education program on metabolic syndrome in middle-aged Korean adults.
Methods
A total of 411 Korean adults 30–59 years of age were allocated randomly into three groups: the nutrition education group for promoting Han-sik consumption (HG), the nutrition education group for eating balanced diet (EG), and the control group (CG). The HG and EG received four face-to-face nutrition education sessions over 16 weeks to improve nutritional problems based on the individual’ usual diet. Effectiveness of the program was evaluated with the differences of self-reported dietary behaviors, dietary intakes, anthropometric measurements and biochemical indices between the baseline and the end of the nutrition education program. The changes within groups were analyzed using paired t-test and McNemar test and effectiveness among three groups was analyzed by repeated analysis of variance.
Results
After the nutrition education, the percentages of participants who achieved the recommended food group consumption in the Korean Food Guidance Systems significantly increased in HG (P = 0.022). Body weight (P = 0.007), body mass index (P = 0.002), and triglycerides (P = 0.002) significantly decreased in HG. Waist circumference and diastolic blood pressure decreased in all three groups (P < 0.05).
Conclusions
This study found that tailored nutrition education program for middle aged Korean adults showed beneficial effects on improving dietary behaviors and metabolic syndrome risk factors. Further studies are needed to assess the long-term effects of the nutrition education programs on metabolic syndrome risks.

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[English]
Regional differences in protein intake and protein sources of Korean older adults and their association with metabolic syndrome using the 2016–2019 Korea National Health and Nutrition Examination Surveys: a cross-sectional study: You-Sin Lee, Yoonna Lee; Korean J Community Nutr 2024;29(3):173-188. Published online June 30, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.3.173

Abstract PDF

Objectives
The study aim was to analyze the regional differences in dietary protein intake and protein sources of Korean older adults and their association with metabolic syndrome.
Methods
Study participants were 1,721 older adults aged 65 and over who participated in 2016–2019 Korea National Health and Nutrition Examination Survey. Using 24-hour recall dietary intake data, protein intake and their food sources were examined. The association between protein intake and metabolic syndrome, obesity, and abdominal obesity were analyzed by multiple logistic regression.
Results
Total protein and animal protein intakes were higher in urban area (60.0 g, 24.4 g, respectively) than in rural area (54.6 g, 19.6 g, respectively). With increase of protein intake level, animal to total protein proportion was increased in both areas. Total protein and plant protein intake was negatively associated with the risk of obesity, abdominal obesity in both areas. Animal protein intake was negatively associated with the risk of obesity in both areas, and with abdominal obesity only in urban area. In urban area, plant protein intake was also negatively associated with the risks of metabolic syndrome, elevated triglyceride, and reduced high density lipoprotein-cholesterol. In urban area, the risk of metabolic syndrome was decreased when their protein intake was more than 0.91 g/kg and was lowest when their protein intake was more than 1.5 g/kg (P for trend < 0.001).
Conclusions
Korean older adults showed inadequate protein intake and those in rural area showed lower animal protein intake than in urban area. The risk of obesity and metabolic syndrome was decreased with the increase of protein intake level. These findings may help develop effective nutrition support strategy for older adults to reduce regional health disparity.

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Assessing Nutritional Factors for Metabolic Dysfunction-Associated Steatotic Liver Disease via Diverse Statistical Tools
Yea-Chan Lee, Hye Sun Lee, Soyoung Jeon, Yae-Ji Lee, Yu-Jin Kwon, Ji-Won Lee
Diabetes & Metabolism Journal.2026; 50(1): 178. CrossRef
The association between dietary protein intake and metabolic syndrome: a GRADE-assessed systematic review and meta-analysis of observational studies
Dorsa Ghazvineh, Ali Hosseinpour, Vahid Basirat, Elnaz Daneshzad
Diabetology & Metabolic Syndrome.2025;[Epub] CrossRef
The association between total, animal-based, and plant-based protein intake and cognitive decline in older adults
Maud Peperkamp, Margreet R. Olthof, Marjolein Visser, Hanneke A. H. Wijnhoven
European Journal of Nutrition.2025;[Epub] CrossRef

10,062 View
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3 Crossref

[Korean]
Comparative study on the health and dietary habits of Korean male and female adults before and after the coronavirus disease 2019 pandemic: utilizing data from the 8^th Korea National Health and Nutrition Examination Survey (2019–2021): Chaemin Kim, Eunjung Kim; Korean J Community Nutr 2024;29(1):65-80. Published online February 29, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.1.65

Abstract PDF

Objectives
This study aims to compare changes in physical factors, health behaviors, eating habits, and nutritional intake among Korean male and female adults over a period of three years (2019–2021) before and after the outbreak of coronavirus disease 2019 (COVID-19).
Methods
This study utilized raw data from the 8^th Korea National Health and Nutrition Examination Survey (2019–2021). The participants in this study included 6,235 individuals in 2019, 5,865 individuals in 2020, and 5,635 individuals in 2021. Individuals whose daily energy intake was less than 500 kcal or exceeded 5,000 kcal were excluded from the study.
Results
In comparison to 2019, overweight/obesity rates, weight, waist circumference, weekend sleep hours, and resistance exercise days/week increased in both male and female during the COVID-19 pandemic. Regarding eating habits, the proportions of people skipping breakfast, not eating out, consuming health supplements, and recognizing nutritional labels increased in 2020 and 2021, whereas the rate of skipping dinner decreased. Total energy intake has continued to decrease for the two years since 2019. A comparison of nutrient intake per 1,000 kcal before and after the outbreak of COVID-19 revealed that intake of nutrients, including protein, phosphorus, iron, vitamin A, riboflavin, and niacin increased, while folic acid intake decreased. In male, calcium, phosphorus, riboflavin, and niacin intakes increased, whereas iron, vitamin C, and folic acid intakes decreased. In female, phosphorus, iron, vitamin A, and riboflavin intake increased significantly, while protein and niacin intake decreased significantly.
Conclusions
After COVID-19, the obesity rate, breakfast skipping rate, health supplement intake, and nutritional label use increased, while the frequency of eating out, dinner skipping rate, and total energy intake decreased. These environmental changes and social factors highlight the need for nutritional education and management to ensure proper nutritional intake and reduce obesity rates in the post-COVID-19 era.

Citations

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Status of Use of Protein Supplement Products according to the Health Concerns of Adults in Their 20s and 30s
Cho-In Oh, Bok-Mi Jung
Journal of the East Asian Society of Dietary Life.2025; 35(1): 9. CrossRef
A study on regional differences in dietary behaviors and satisfaction in Korea focusing on urban and rural comparisons: a cross-sectional study
Jong-Youn Rha, Sohyun Kim, Hae-Rang Lee, Juhyeon Kil
Korean Journal of Community Nutrition.2025; 30(2): 140. CrossRef
How Did the Dietary Behavior of Older Korean Adults Change During the COVID-19 Pandemic?
Yong-Seok Kwon, Dasol Kim, Hee-Sook Lim
Nutrients.2025; 17(12): 1973. CrossRef
Intake of energy and macronutrients according to household income among elementary, middle, and high school students before and during the COVID-19 pandemic: a cross-sectional study
Chae-Eun Jeong, Heejin Lee, Jung Eun Lee
Korean Journal of Community Nutrition.2024; 29(3): 234. CrossRef
성인 남녀의 먹방 시청시간에 따른 식행동에 대한 연구
하얀 남, 복미 정, 은례 전
Korean Journal of Food and Cookery Science.2024; 40(4): 275. CrossRef

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[Korean]
Association of ultra-processed food with diabetes and impaired fasting glucose in elderly populations (urban and rural): a cross-sectional study: Seung Jae Lee, Mi Sook Cho; Korean J Community Nutr 2024;29(1):51-64. Published online February 29, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.1.51

Abstract PDF

Objectives
This study examined the association between ultra-processed food (UPF) consumption and chronic diseases in elderly Koreans.
Methods
Data from the 2019–2021 Korea National Health and Nutrition Examination Survey were analyzed. Dietary intake and UPF consumption were assessed using the NOVA food classification based on 24-hour recall data from 3,790 participants (aged 65+ years). Participants were divided into 4 groups based on the quartile of energy intake from UPFs. Regions were classified as urban or rural. Multivariable logistic regression was employed to estimate the adjusted odds ratios (AORs) with 95% confidence intervals (CIs) after controlling for potential confounders.
Results
Among the participants, 71.3% resided in urban and 28.7% in rural areas. Compared to the urban elderly, rural participants tended to be older, have lower education and income levels, be more likely to live in single-person households, and have a higher smoking rate (P < 0.05). Urban elderly consumed more UPFs daily (146.1 g) compared to rural residents (126.6 g; P < 0.05). “Sugar-sweetened beverages” were the most consumed category in both regions. “Sweetened milk and its products” and “traditional sauces” were prominent in urban areas, while rural elderly consumed more “traditional sauces” and “distilled alcoholic beverages.” Rural areas also had a higher carbohydrate-to-calorie ratio than urban areas. Compared to the lowest quartile of UPF intake, the highest quartile was significantly associated with impaired fasting glucose only in rural areas (AOR, 1.48; 95% CI, 1.00–2.19; P for trend = 0.0014). No significant associations were observed for diabetes in either urban or rural areas.
Conclusions
This study suggests that high intake of UPFs is associated with increased odds of impaired fasting glucose in rural elderly. Further research is needed to elucidate the specific negative health effects of UPFs in different populations, and targeted efforts should promote healthy diets in both urban and rural areas.

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Ultra-Processed Foods and Cardiometabolic Health: A Review of Current Evidence
Nazlıcan Erdoğan Gövez, Eda Köksal
Current Nutrition Reports.2025;[Epub] CrossRef
A Study of the Chemosensory Properties of Commercial Processed Foods Using Electronic Sensors
Hyeonjin Park, Younglan Ban, Sojeong Yoon, Hyangyeon Jeong, Seong Jun Hong, Hee Sung Moon, Se Young Yu, Hyun-Wook Kim, Kyeong Soo Kim, Eun Ju Jeong, Eui-Cheol Shin
Journal of the Korean Society of Food Science and Nutrition.2024; 53(8): 805. CrossRef
Analysis of Flavor and Taste Patterns of Various Processed Animal Foods: Using the Electronic Tongue and Nose
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Journal of the Korean Society of Food Science and Nutrition.2024; 53(12): 1267. CrossRef

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Educational Materialses

[Korean]
Systematization of food and nutrition education content based on national kindergarten curriculum: a qualitative formative study: Jung-Hyun Kim, Eugene Shim, Eunyoung Baik; Korean J Community Nutr 2023;28(6):509-522. Published online December 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.6.509

Abstract PDF: Objectives
This study is intended to develop a curriculum for kindergarten food and nutrition education aimed at preschool children, reflecting government policy and meeting the demands of preschool settings.
Methods
Existing educational materials were analyzed, and key elements of the 2019 Revised Nuri Curriculum (“Nuri Curriculum”) and Guidelines for Nutrition and Food Education in Kindergartens, Elementary, Middle, and High Schools (“Guidelines”) were examined as foundational information for developing the curriculum for food and nutrition education.
Results
Basing ourselves on the five domains of the Nuri Curriculum, “Physical Activity and Health,” “Communication,” “Social Relationships,” “Art Experience,” and “Natural Science Inquiry,” we integrated three areas from the Guidelines, namely “Dietary Habits and Health,” “Dietary Habits and Safety,” and “Dietary Habits and Culture,” to structure the curriculum for kindergarten food and nutrition education. Three specific domains, “Nutrition and Health,” “Food and Culture,” and “Safe Dietary Practices,” were tailored for preschool children, each comprising core concepts, content elements, and educational materials. In the “Nutrition and Health” domain, core concepts such as “nutrition” were addressed through content elements such as “balanced eating” and “vegetables and fruit,” while “health” included elements such as “eating regularly” and “nutrients for disease prevention,” each with two educational content components. The “Food and Culture” domain focused on “food” with content on “local foods (vegetable-garden experience)” and “food culture” with content on “our dining table (rice and side dishes),” “our agricultural products,” “global cuisine (multiculture),” and “considerate dietary practices,” each with four educational content components. The “Safe Dietary Practices” domain included core concepts such as “hygiene” with content on “hand-washing habits” and “food poisoning management,” and “safety” with content on “food labeling.”
Conclusions
The systematized curriculum for kindergarten food and nutrition education aligns with the Nuri Curriculum and is interconnected with the Guidelines. This curriculum can be used as foundational material for developing educational resources tailored to the characteristics of preschoolers, contributing to effective implementation in early childhood education.

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[English]
Development of a campus-based intervention program to strengthen food literacy among university students: A qualitative formative study: Eunji Ko, Eunjin Jang, Jiwon Sim, Minjeong Jeong, Sohyun Park; Korean J Community Nutr 2023;28(6):495-508. Published online December 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.6.495

Abstract PDF

Objectives
This study aimed to develop a campus-based intervention program to enhance food literacy (FL) among university students.
Methods
In the initial phase, we conducted a literature review of FL intervention studies and held in-depth interviews with university students to identify facilitators and barriers to improving and practicing FL. Expert counseling sessions were conducted with nutrition education, marketing, and service design professionals. The results of this phase led to the creation of an initial curriculum draft. In the second phase, a follow-up survey was conducted with young adults to assess the acceptability of the developed curriculum. After the follow-up survey, additional meetings were conducted with the aforementioned experts, and the curriculum was further refined based on their input.
Results
An 11-week FL intervention program was devised using constructs from the Social Cognitive Theory. The weekly curriculum consisted of 90-min theory-based and 90-min hands-on experience sessions. Three primary aspects of FL were covered: nutrition and food safety, cultural and relational dimensions, and socio-ecological aspects. Program highlights included cooking sessions for crafting traditional Korean desserts, lectures on animal welfare, insights into zero-waste practices, and communal eating experiences. Based on the study team’s previous research, the program also addressed mindful eating, helping participants understand the relationship with their eating habits, and providing strategies to manage negative emotions without resorting to food. Yoga sessions and local farm visits were incorporated into the curriculum to promote holistic well-being.
Conclusions
This study elucidated the comprehensive process of creating a campus-based curriculum to enhance FL among university students, a group particularly susceptible to problematic eating behaviors and low FL levels. The developed program can serve as a blueprint for adaptation to other campuses seeking to bolster students’ FL.

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Effects of nutrition class with cooking lab on college students’ eating behaviors and well-being in the United States: a mixed-methods study
Borham Yoon, Kyungyul Jun
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Adelfa Silor, Faith Stephanny C. Silor
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Evaluating the effectiveness of a food literacy pilot program for university students: using a mixed-methods research approach
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Nutrition Research and Practice.2024; 18(6): 885. CrossRef
A pilot investigation of a combined food literacy and exercise program for college students: a one-group pre-post intervention study
Minjeong Jeong, Jinhyun Kim, Dahye Han, Eunjin Jang, Kyoungho Choi, Sohyun Park
Korean Journal of Community Nutrition.2024; 29(6): 455. CrossRef

2,418 View
68 Download
4 Crossref

Research Articles

[Korean]
Health behaviors and eating habits in people’s 20s and 30s according to food content usage level on social media: a cross-sectional study: Seo-Yeon Bang, Bok-Mi Jung; Korean J Community Nutr 2023;28(5):392-403. Published online October 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.5.392

Abstract PDF

Objectives
This study was intended to investigate adults’ health behaviors and eating habits according to their levels of social media use.
Methods
From May 27 to July 11, 2022, an online survey was conducted of 452 male and female social media users in their 20s and 30s, and their eating habits and health behaviors were compared and analyzed according to their degree of social media use. For each of the three levels of food content use, the frequency of social media content use, and the total score range of average social media viewing time per day were divided into three parts, and a group with a score of less than 2 points was classified as low-use; a group with a score of 2 or more and less than 3 points was classified as middle-use; and a group with a score of 3 points or more was classified as high-use.
Results
The use of food content was higher in women than in men (P < 0.001), and higher in those in their 20s than in those in their 30s (P < 0.001). The group with a high level of food content use showed a higher rate of post-use hunger than the group with a low level (P < 0.01). The experience of eating after using food content was also higher in the group with a high level of use than in the group with a low level of use (P < 0.001). The group with a normal or high level of food content use had more negative eating habits than the group with a low level.
Conclusions
The study highlighted the need to provide desirable food content to people in their 20s and 30s with negative eating habits and to promote them so that they can use the right healthy nutrition–related content.

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The relationship between smartphone usage and eating behavior for elementary school students in Gangneung, South Korea: cross-sectional study
Minji Kim, Meera Jang
Korean Journal of Community Nutrition.2024; 29(4): 278. CrossRef

3,849 View
106 Download
1 Crossref

[Korean]
Changes in nutritional status of Korean older adults during COVID-19 Pandemic by household income and demographic factors -using the Korea National Health and Nutrition Examination Survey(2019-2020): a cross-sectional study: You-Sin Lee, Yoonna Lee; Korean J Community Nutr 2023;28(4):302-316. Published online August 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.4.302

Abstract PDF

Objectives
The study aim was to identify changes in the nutritional status of older adults during the COVID-19 pandemic according to household income and demographic characteristics.
Methods
Study participants were 2,408 adults aged 65 and over who participated in the 2019–2020 Korea National Health and Nutrition Examination Survey (KNHANES). To examine changes in nutrient intake levels resulting from COVID-19, data of 2019 and of 2020 were compared. Study participants were divided into three groups based on household income level to compare these changes. The changes were compared according to household income level, age group, and household type.
Results
Percentages of recommended intakes for energy, protein, and most micronutrients were the lowest for the low-income group of both males and females in 2020. The Mean Adequacy Ratio (MAR) score was the lowest for the low-income group in both years. When comparing nutrient density for 2019 and 2020 by income group, the male low-income group experienced a decrease in nutrient densities of vitamin A, thiamine, calcium, and iron. For the same group, a decreased percentage for energy intake from protein was noted. Fruit intake was lowest in the low-income group for both males and females. Low-income males had the lowest intake levels for meat, fish, eggs, and legumes in both 2019 and 2020 and the lowest milk and milk product intake levels in 2020. Older adults living alone or single older adults with children had lower MAR scores than those living with a spouse. Older adults living alone experienced decreases in energy and thiamine and iron intake levels in 2020 compared to their intake levels in 2019.
Conclusions
Because of the COVID-19 pandemic, nutrition intake levels worsened for older adult males in the low-income group and older adults living alone. This finding shows the need for a more systematic nutritional support strategy for the vulnerable older adults population in national disaster situations.

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How Did the Dietary Behavior of Older Korean Adults Change During the COVID-19 Pandemic?
Yong-Seok Kwon, Dasol Kim, Hee-Sook Lim
Nutrients.2025; 17(12): 1973. CrossRef
Development of Protein Enhanced Diet for Socially Vulnerable Elderly
Jihye Hong, Hyung-Geun Jeon, Seulgi Kim, Gitae Park
Journal of the East Asian Society of Dietary Life.2024; 34(1): 39. CrossRef
Comparison of nutrient intake and Korean Healthy Eating Index among the elderly in rural areas pre- and post- COVID-19 pandemic: the 2018–2021 Korea National Health and Nutrition Examination Survey data
Sangyeon Kim, Hye-Sook Hong, Hae-Jeung Lee
Journal of Nutrition and Health.2024; 57(5): 496. CrossRef

2,350 View
43 Download
3 Crossref

[Korean]
Status of Iodine Intake and Comparison of Characteristics according to Iodine-sourced Food Intake Patterns of Chinese Adults: A Study Encompassing Three Regions with Different Iodine Nutritional Statuses: Danying Zhang, Ho Kyung Ryu; Korean J Community Nutr 2022;27(6):503-514. Published online December 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.6.503

Abstract PDF: Objectives
This study examines the status of iodine intake and compares the characteristics (region and thyroid disease prevalence) according to the iodine-sourced food intake pattern in Chinese adults.
Methods
An online survey was conducted by enrolling 437 Chinese adults aged 18-65 years, living in three regions with different iodine nutritional statuses: Sichuan, Chongqing, and Guangdong.
Results
The prevalence of thyroid diseases in Sichuan, Chongqing, and Guangdong were 12.5%, 8.5%, and 2.8%, respectively. Conversely, the proportion of people who received thyroid disease-related examinations was a mere 37.5%. Among the subjects who underwent thyroid examination, the prevalence of thyroid disease in the three regions was 32.2%, 21.8%, and 8.0%, respectively. No differences were obtained in the total iodine intake by region, but the type of iodine source foods differed. Regardless of the region, the highest iodine content was obtained from seaweed. However, the iodine content from iodized salt and other foods differed significantly by region. Factor analysis revealed three food intake patterns according to the iodine food source. The study further determined regional differences and differences in the prevalence of thyroid disease according to food intake patterns.
Conclusions
High salt intake can also increase iodine intake, which is thought to have an effect on the occurrence of iodine-excess thyroid disease. Hence, efforts focused on improving salty eating habits need to be implemented.

1,126 View
10 Download

[Korean]
Development of Korean NOVA Food Classification and Estimation of Ultra-Processed Food Intake Among Adults: Using 2018 Korea National Health and Nutrition Examination Survey: Hae Jin Park, Sohyun Park, Jee Young Kim; Korean J Community Nutr 2022;27(6):455-467. Published online December 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.6.455

Abstract PDF

Objectives
In this study, we suggest a Korean NOVA food classification that can be applied to food consumption among Korean. Based on this suggestion, the nutritional intake of Korean adults from ultra-processed foods (UPFs) was estimated.
Methods
Korean commercial food was categorized based on the NOVA food classification criteria through the Korea Food Code and expert meetings. Then, the nutrient intake status of 6,991 participants in the 2018 National Health and Nutrition Examination Survey was analyzed according to the food processing level. Then, 4,152 adult participants (age 19-65) were divided into quartiles on the basis of their intake of UPFs, and the nutrient intakes from UPFs were compared.
Results
Korean NOVA Food Classification defines with priority Group I (Unprocessed/ Minimally processed foods) and Group II (Processed culinary ingredients) foods based on the food cooking or consumption. Then, Group III (Processed foods) and Group IV (UPFs) are classified according to whether the characteristics of the raw materials used are maintained or whether the food was consumed before the 1970s. Our analysis results showed that most of the calories in the diet were consumed by Group I (52.7%), followed by Group IV (29.3%). After categorization of the adult participants into four groups according to their energy consumption from UPFs, we found that the highest consumption group (Q4) was younger and had higher percentage of men than women. The comparative analysis of the consumption of ultra-processed foods by Korean adults revealed that participants of a younger age and men consumed higher energy from UPFs than older participants and women, respectively (P < 0.01). Furthermore, the larger intake of UPFs was associated with an increasing trend for a higher intake of energy, sugar, saturated fat (P for trend < 0.001), total fat (P for trend = 0.021), and sodium (P for trend = 0.005), whereas the intake of carbohydrate, protein, and dietary fiber had a decreasing trend (P for trend < 0.001).
Conclusions
With the current increase in the consumption of processed and ultra-processed foods, it is important to carefully consider not only nutrient intake but also the level of food processing.

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Consumption of ultra-processed foods and major contributing foods according to the age group in Korean adults and older adults: using data from the Korean National Health and Nutrition Examination Survey (2016–2019)
Seulgi Lee, Jee Young Kim, Kirang Kim
Journal of Nutrition and Health.2025; 58(1): 59. CrossRef
Potential misclassification of ultra-processed foods across studies and the need for a unified classification system: a scoping review
Sukyoung Jung, Jee Young Kim, Sohyun Park, Jung Eun Lee
Nutrition Research and Practice.2025; 19(3): 331. CrossRef
Gender Differences in Ultra-Processed Food Consumption and Its Association with Obesity Among Korean Adults
Seung Jae Lee, Kyung Won Lee
Nutrients.2025; 17(12): 2027. CrossRef
Interaction between chronotype and ultra-processed food intake on triglyceride-glucose index in Korean adults
Sarang Jeong, Eunjin Jang, Sukyoung Jung, Jinhyun Kim, Minjeong Jeong, Dahye Han, Sohyun Park
Nutrition Research and Practice.2025; 19(4): 591. CrossRef
Ultra-processed food intake and risk of type 2 diabetes: a pooled analysis of three prospective cohorts of Korean adults and an updated meta-analysis
Yujin Kim, Yoonkyoung Cho, Bonjae Koo, Zhangling Chen, Qi Sun, Hannah Oh
European Journal of Epidemiology.2025; 40(11): 1293. CrossRef
Sex Differences in the Association Between Ultra-Processed Food Consumption and NAFLD: An Analysis of KNHANES 2013–2021 Data
Byung Soo Kwan, Nak Gyeong Ko, Ji Eun Park
Journal of Clinical Medicine.2025; 14(22): 7930. CrossRef
Associations of Ultra-Processed Food Intake with Body Fat and Skeletal Muscle Mass by Sociodemographic Factors
Sukyoung Jung, Jaehee Seo, Jee Young Kim, Sohyun Park
Diabetes & Metabolism Journal.2024; 48(4): 780. CrossRef
Navigating Ultra-Processed Foods with Insight
Ji A Seo
Diabetes & Metabolism Journal.2024; 48(4): 713. CrossRef
Association of ultra-processed food with diabetes and impaired fasting glucose in elderly populations (urban and rural): a cross-sectional study
Seung Jae Lee, Mi Sook Cho
Korean Journal of Community Nutrition.2024; 29(1): 51. CrossRef
Sustainable diets: a scoping review and descriptive study of concept, measurement, and suggested methods for the development of Korean version
Sukyoung Jung
Korean Journal of Community Nutrition.2024; 29(1): 34. CrossRef
Eating patterns in Korean adults, 1998–2018: increased energy contribution of ultra-processed foods in main meals and snacks
Sukyoung Jung, Jee Young Kim, Sohyun Park
European Journal of Nutrition.2024; 63(1): 279. CrossRef
Association Between Ultraprocessed Food Consumption and Metabolic Disorders in Children and Adolescents with Obesity
Gyeong-yoon Lee, Joo Hyun Lim, Hyojee Joung, Dankyu Yoon
Nutrients.2024; 16(20): 3524. CrossRef
Changes in Ultra-Processed Food Consumption among Adolescents before and after the COVID-19 Pandemic : Using Data from the 7th (2018~2019) and 8th (2020~2021) Korea National Health and Nutrition Examination Survey
Hyun-Jin Hwang, Yoo Kyeong Kim
Korean Journal of Human Ecology.2024; 33(6): 981. CrossRef
Higher consumption of ultra-processed food is associated with cardiovascular risk in Korean adults: KNHANES 2016–2018
Sukyoung Jung, Eunjin Jang, Hyeongyeong Lee, Jee Young Kim, Sohyun Park
Frontiers in Nutrition.2023;[Epub] CrossRef

4,075 View
143 Download
14 Crossref

[Korean]
Effect of Type of Nutrition Labeling on the Healthfulness Evaluation and Purchase Intentions of Home Meal Replacements (HMR) in South Korea: Mee-Young Joe; Korean J Community Nutr 2022;27(5):387-396. Published online October 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.5.387

Abstract PDF

Objectives
The purpose of this study was to examine the effects of the types of nutrition labeling on the processing fluency, health evaluation and purchase intentions of home meal replacements.
Methods
This online experimental study was conducted from December 29 to 31, 2019 and included 134 participants. The research design was 2 (Objective nutrition labeling: present vs. absent) X 2 (Evaluative nutrition labeling: present vs. absent) and each participant was randomly assigned to one of four groups. As stimuli, five types of ready-to-heat foods sold in the market were used.
Results
Processing fluency (4.91 points) and purchase intention (4.13 points) were significantly high when both evaluative nutrition labeling and objective nutrition labeling were presented, and healthfulness evaluation (4.47 points) was significantly high when only evaluative nutrition labeling was presented. All three variables were measured to be high when evaluative nutrition labeling was presented. The evaluative nutrition labeling that visually represented nutritional values was found to be more effective for processing fluency, healthfulness evaluation, and purchase intention than the objective nutrition labeling representing the nutritional value of the product in numbers and proportions.
Conclusions
These results show that it is necessary to develop various types of evaluative nutrition labeling to enable consumers to choose and purchase healthful home meal replacements. Also, consumer education and public campaigns are needed to encourage consumers to select healthier home-cooked meals using nutrition labeling.

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Analysis of Dietary Behavior and Sustainable Dietary Life Competency in Families According to Parents’ Dietary Lifestyle: Using the 2021 Korea Consumer Behavior Survey for Food
Sun A Choi, Jeong Ok Rho
Journal of the Korean Society of Food Science and Nutrition.2023; 52(11): 1179. CrossRef
Study on the consumption practices and Importance-Satisfaction Analysis of meal-kit selection attributes among adults in their 20s and 30s
Se-Eun Kim, Hyun-Joo Bae
Journal of Nutrition and Health.2023; 56(3): 315. CrossRef

1,059 View
17 Download
2 Crossref

[Korean]
Dietary Behaviors Associated with Health Perception of Korean Adolescents from Multicultural Families: based on data from the 2017 ~ 2019 Korea Youth Risk Behavior Surveys: YueRong Hu, SuJin Song; Korean J Community Nutr 2022;27(3):192-204. Published online June 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.3.192

Abstract PDF

Objectives
This study examined the association between dietary behaviors and perceived health status among Korean adolescents from multicultural families.
Methods
This cross-sectional study included 2,459 Korean adolescents from multicultural families (aged 13 ~ 18 years) who participated in the 2017 ~ 2019 Korea Youth Risk Behavior Surveys. Information on the sociodemographic variables, dietary behaviors, and lifestyle variables was selfreported using a web-based questionnaire. The dietary behaviors analyzed in this study were the breakfast and food intake frequencies, including fruit, vegetable, milk, fast food, carbonated drink, sweet drink, and high caffeine/energy drinks. The adolescents’ health perception was self-rated as healthy, average, or unhealthy. The dietary behaviors associated with health perception were examined using a multiple logistic regression after adjusting for the confounding variables.
Results
In this study population, 7.6% of adolescents perceived their health status as unhealthy, and 25.4% perceived it as average. The adolescents who were girls, middle school students, and in households with a low economic status showed significantly higher percentages of poor health perception (P-values < 0.001). Skipping breakfast was significantly associated with a negative health perception. Compared to the adolescents who consumed fruits every day, those who did not consume fruits during the previous week showed a higher odd ratio (OR) for a negative health perception [OR = 2.29, 95% confidence interval (CI) = 1.32–3.97]. The adolescents who frequently consumed carbonated drinks ( 5 times/week) perceived their health status as unhealthy relative to those who did not consume carbonated drinks (OR = 2.15, 95% CI = 1.25–3.71). Skipping breakfast was significantly associated with an increased OR for a negative health perception in girls but not in boys. Compared to adolescents with a normal weight, those with overweight/ obesity (OR = 1.75, 95% CI = 1.21–2.52) and underweight (OR = 2.19, 95% CI = 1.25–3.82) showed higher ORs for negative health perception. Positive associations of overweight/obesity and underweight with negative health perception were observed in boys but not in girls.
Conclusions
Dietary behaviors and weight status were associated with the health perception in Korean adolescents from multicultural families. These findings suggest that nutrition interventions on breakfast intake and healthy food choices for this population might effectively improve their weight and perceived health status.

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The unequal weight of COVID-19 pandemic: national trends in body mass index among Korean adolescents by immigrant-origin and gender from 2013 to 2022
Nari Yoo, Yumin Hong, Yoonyoung Choi
International Journal of Adolescence and Youth.2024;[Epub] CrossRef

1,205 View
19 Download
1 Crossref

Research Note

[Korean]
Using Service Design Tools in Community Nutrition Research: A Case Study in Developing Dietary Guidelines for Young Adults: Eunbin Jo, Jae Eun Shim, Hyun Joo Ryou, Kirang Kim, Su Jin Song, Hyun Ja Kim, Jeong Sun Ahn, Kwang-il Kwon, Hye Young Lee, Sohyun Park; Korean J Community Nutr 2022;27(3):177-191. Published online June 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.3.177

Abstract PDF

Objectives
Recent epidemiological data reported that young adults in their 20 ~ 30s are a vulnerable population with unhealthy dietary practices and a few signs of deteriorated health indicators. However, there are no dietary guidelines that are specifically developed for the young adult population. This study introduces some data collection tools that are mostly used in the service design field, and demonstrates how these tools can be used in nutrition research for developing dietary guidelines for specific target groups.
Methods
To understand the context of food choices among young people, 39 people were enrolled to complete a probes booklet. Thematic analysis and word cloud were performed to capture the main themes from the probes and a persona was developed based on the findings.
Results
Data from the probes enabled us to grasp the various contextual meanings of eating practices among young people. Most participants understand what a healthy diet is and often have a willingness to practice it. However, there were very few participants who were following the practices. We created four types of persona for developing dietary guidelines: healthy eating, emotional eating, convenient eating, and trendy eating.
Conclusions
Probes and persona were used in order to understand the lives of young adults and develop targeted messages. We hope that this introduction will be helpful to researchers who are looking for new ways of understanding their target population in the field of community nutrition.

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Development of a campus-based intervention program to strengthen food literacy among university students: A qualitative formative study
Eunji Ko, Eunjin Jang, Jiwon Sim, Minjeong Jeong, Sohyun Park
Korean Journal of Community Nutrition.2023; 28(6): 495. CrossRef

1,835 View
31 Download
1 Crossref

Research Articles

[Korean]
Consumption of Weight-control or Health Functional Foods, Dietary Habits, and Weight Perceptions According to the Body Mass Index of Adult Women in the Chungcheong Area: Gayoung Seong, Munkyong Pae; Korean J Community Nutr 2022;27(2):81-93. Published online April 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.2.81

Abstract PDF

Objectives
This study was conducted to investigate the experience and perception among adult women regarding weight control and the consumption of weight-control foods or health functional foods based on their body mass index (BMI).
Methods
The subjects were 634 adult women from the Chungcheong province, Korea, and data were collected through a self-administered questionnaire from July 2021 through September 2021. The subjects were divided into four groups based on their BMI status: underweight (< 18.5 kg/㎡ , 7.6%), normal weight (18.5 ~ 22.9 kg/㎡ , 53.3%), overweight (23 ~ 24.9 kg/㎡ , 19.7%), and obese ( ≥ 25 kg/㎡ , 19.4%).
Results
Over the past 3 years, almost two-thirds (68.6%) of the adult women had tried weight control measures, despite the fact that a significant proportion of them were normal or underweight. More importantly, 57.6% of subjects reported the consumption of weightcontrol foods, with a lower proportion in the underweight (35.4%) group compared to the normal (56.2%), overweight (62.4%), and obese (65.0%) groups. The food items used for weight control were mostly salads, chicken breasts, low fat (soy) milk, slimming tea, protein shakes, low-calorie cereals, and energy/protein bars among others. In addition, one-third (31.1%) of the subjects reported the use of health functional foods containing ingredients for fat reduction. A significantly higher proportion of these was from the overweight (36.0%) and obese (38.2%) groups compared to the underweight (20.8%) and normal weight (28.1%) groups. Products containing Garcinia cambogia extract, green tea, or Cissus extract, were popular among users. Subjects who were obese had a poorer perception of their health and body. Most subjects felt the need for correct information regarding weight control, but this number was significantly more in the higher BMI groups.
Conclusions
Our results suggest that the use of weight-control foods or health functional foods is popular among adult women, especially those who are obese. Thus, nutrition education courses covering facts about weight control and practice need to be developed and provided based on the BMI status of subjects.

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Coffee Consumption Patterns According to Health Behavior and Dietary Factors among Young Adults : From the Korea National Health and Nutrition Examination Survey 2021
Hyun-Ju Jo, Hyun-Kyoung Bang
Journal of the East Asian Society of Dietary Life.2025; 35(4): 369. CrossRef
Consumption of protein supplements/protein-fortified foods among young adults in Jeju
Hyoju Lee, Youjeong Jang, Sumin Kim, Kyungho Ha
Journal of Nutrition and Health.2024; 57(2): 261. CrossRef
Prediction model of weight control experience in men with obesity in their 30 s and 40 s using decision tree analysis
Myeunghee Han
Scientific Reports.2024;[Epub] CrossRef
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Eunjung Lee, Hyosun Jung, Jina Jang
Journal of the Korean Society of Food Science and Nutrition.2023; 52(6): 659. CrossRef
A Narrative Approach to the Diet History of Female College Students : Focusing on the Role of SNS and Social Media Influencers and Individuals’ Motivation for Dieting
Kyungbo Kim
Korean Journal of Journalism & Communication Studies.2022; 66(3): 139. CrossRef

1,670 View
33 Download
5 Crossref

[Korean]
Trends in Dietary Protein Intake and Its Adequacy among Korean Adults: Data from the 2010 ~ 2019 Korea National Health and Nutrition Examination Survey (KNHANES): Hyunji Ham, Kyungho Ha; Korean J Community Nutr 2022;27(1):47-60. Published online February 28, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.1.47

Abstract PDF

Objectives
This study aimed to evaluate dietary protein intake and its adequacy among Korean adults during recent 10 years.
Methods
Based on the 2010 ~ 2019 Korea National Health and Nutrition Examination Survey (KNHANES) data, a total of 51,296 adults aged 19 years old or more who participated in a one-day 24-hr dietary recall were included. Dietary protein intake was estimated as percentages of total energy (% of energy) and grams per body weight (g/kg/ day) and compared with the 2020 Dietary Reference Intakes for Koreans to evaluate the adequacy of protein intake. In addition, proportions of people whose protein intakes were less than the estimated average requirement (EAR) and above the upper limit of the acceptable macronutrient distribution range (AMDR) (> 20% of energy) were calculated according to sociodemographic characteristics.
Results
Protein intake was increased from 14.7% of energy in 2010 to 15.6% of energy in 2019 among Korean adults. However, there was no increase in protein intake relative to the recommended nutrient intake (% RNI) during the recent 10 years. Protein intake relative to the RNI was decreased from 130.2% in 2010 to 121.1% in 2019 (P for trend < 0.0001) among total participants, and a significant decreasing trend was observed in all age groups except for over 65 years old. However, protein intake relative to the RNI was lowest in the elderly (98.6%). Proportions of low protein intake (< EAR) and high protein intake (> AMDR) increased in the past 10 years (P for trend < 0.0001 for all), and these were associated with socioeconomic statuses, such as education and household income levels.
Conclusions
These findings suggest that protein adequacy in Korean adults has not been improved over the past decade compared with recommended levels. Nutritional education and intervention programs should consider different intake levels according to sociodemographic characteristics.

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Combined associations of protein intake and resistance exercise with handgrip strength in postmenopausal women
Jin Kyung Baek, Hae Rim Kim, Eun Jin Lee, Yun Soo Chung, Seok Kyo Seo
Maturitas.2026; 205: 108808. CrossRef
Status of Use of Protein Supplement Products according to the Health Concerns of Adults in Their 20s and 30s
Cho-In Oh, Bok-Mi Jung
Journal of the East Asian Society of Dietary Life.2025; 35(1): 9. CrossRef
Dietary Assessment of Older Korean Adults by Level of Plant Protein Intake
Yong-Seok Kwon, Ye-Jun Kim, Jeong-Hun Song, Yangsuk Kim
Nutrients.2025; 17(12): 1976. CrossRef
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Sumin Kim, Hyunji Ham, Kyungho Ha
Nutrition Research and Practice.2025; 19(5): 773. CrossRef
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Woojin Byeon, Cho-il Kim, Sung Ok Kwon, Jihyun Yoon, Linxi Huang
Nutrition Research and Practice.2025; 19(5): 799. CrossRef
High-Protein Products in 2013 and 2023: Shifts in Diverse Aspects Over the Last Ten Years
Hye Ran Lee, Ihyeon Cho, Hyejin Yi, Hee Jung Park
Food Supplements and Biomaterials for Health.2024;[Epub] CrossRef
Regional differences in protein intake and protein sources of Korean older adults and their association with metabolic syndrome using the 2016–2019 Korea National Health and Nutrition Examination Surveys: a cross-sectional study
You-Sin Lee, Yoonna Lee
Korean Journal of Community Nutrition.2024; 29(3): 173. CrossRef
Development of Protein Enhanced Diet for Socially Vulnerable Elderly
Jihye Hong, Hyung-Geun Jeon, Seulgi Kim, Gitae Park
Journal of the East Asian Society of Dietary Life.2024; 34(1): 39. CrossRef
Consumption of protein supplements/protein-fortified foods among young adults in Jeju
Hyoju Lee, Youjeong Jang, Sumin Kim, Kyungho Ha
Journal of Nutrition and Health.2024; 57(2): 261. CrossRef
Association between Processed Meat Protein Consumption and Incident Osteoporosis in Adults Aged 50 Years and Older: A Prospective Cohort Study Based on Korean Genome and Epidemiology Study Data (2005–2020)
Dohee Lee, Soo Hyoung Lee, Ki Hyun Park, Kunhee Han, Eunjin Jeong
Korean Journal of Family Medicine.2024; 45(5): 268. CrossRef
The Relationship of Pork Meat Consumption with Nutrient Intakes, Diet Quality, and Biomarkers of Health Status in Korean Older Adults
Ah-Jin Jung, Anshul Sharma, Mei Chung, Taylor Wallace, Hae-Jeung Lee
Nutrients.2024; 16(23): 4188. CrossRef
Higher Animal-Based Protein Intake Levels Show a Greater Likelihood of Having Metabolic Syndrome in Single-Person Households Among Korean Adults
Yeongin Lee, Hyojee Joung
Nutrients.2024; 16(23): 4239. CrossRef
Relationship between protein intake and grip strength in qualitative and quantitative aspects among the elderly in Korea: results from the Korea National Health and Nutrition Examination Survey
Mi‑Hyun Kim, Mi‑Kyeong Choi, Yun‑Jung Bae
BMC Geriatrics.2023;[Epub] CrossRef
Current status of nutrient intake in Korea: focused on macronutrients
Seung-Won Oh
Journal of the Korean Medical Association.2022; 65(12): 801. CrossRef

7,360 View
198 Download
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[Korean]
Away-from-Home Eating and Dietary Patterns of Ugandan Adults: a Web-based- Survey: Anthony Kityo, Pil-Sook Park; Korean J Community Nutr 2022;27(1):1-11. Published online February 28, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.1.1

Abstract PDF

Objectives
Away-from-home (AFH) eating has been associated with poor diet quality and health outcomes like obesity in developed countries. AFH eating is also emerging in lowincome countries, but its influence on overall diet quality is under-researched. We examined the prevalence of AFH eating and its influence on the dietary patterns of Ugandan adults.
Methods
This cross-sectional study employed a web-based survey to interview Ugandan adults aged 18 ~ 65 years. A qualitative food frequency questionnaire was used to assess the food group intake, which was then converted into daily intake frequencies. Principal component analysis was used to derive dietary patterns. The participants were then classified based on the tertiles (T) of dietary pattern scores.
Results
About 75% of the 375 participants reported eating AFH. The young men, food insecure, and urban dwellers were more likely to eat AFH  5 times/week. Three dietary patterns emerged; the animal-based, beverage pattern; the high fat, sweet pattern; and the traditional, plant-based pattern. Participants who frequently ate AFH were 2.85 times and 5.64 times more likely to be in the second and third tertiles, respectively, of the animalbased, beverage pattern compared to the rare eaters (OR = 2.85, 95% CI: 1.35-6.06 for T2 vs T1; and OR = 5.64, 95% CI: 2.50-12.73 for T3 vs T1). The odds of being in the second tertile of the high fat, sweet pattern was significantly higher for frequent AFH eaters compared to the rare eaters (OR = 2.61, 95% CI:1.23-5.52).
Conclusions
The prevalence of AFH eating was high. Frequent AFH eating was common among the young, male, food insecure, and urban dwellers, and was associated with unhealthy dietary patterns.

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Difficulties in eating out of home while diagnosed with inflammatory bowel disease: A qualitative interview study from China
Tingting Yin, Ran Ye, Qiuqin Wang, Lulu Wang, Wenjing Xu, Wenjing Tu, Guihua Xu, Yogesh Kumar Jain
PLOS ONE.2023; 18(12): e0288908. CrossRef

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[Korean]
Influence of Internal and External Capacity on Adults' Food Waste Disposal Capacity: Ji Eun Kim, Kyoung Sook Choi; Korean J Community Nutr 2021;26(6):455-466. Published online December 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.6.455

Abstract PDF: Objectives
The purpose of this study was to investigate the effects of internal and external capacity on the practical capacity for food waste disposal in adults.
Methods
The study subjects were 410 adults who answered a structured questionnaire. The survey was conducted in January 2021. Data were analyzed through descriprive analysis, t-test, ANOVA, and multiple regression analysis using the SPSS Win 24.0.
Results
First, in the analysis of internal capacity, attitude (3.95 out of 5 points) scored higher than knowledge (3.59 points). Attitudes showed significant differences according to gender (P < 0.001), age (P < 0.001), and income (P < 0.001). Knowledge showed significant differences according to gender (P < 0.01) and age (P < 0.05). Second, in the analysis of capacity, market constraints (3.73 points) scored the highest, followed by institutional conditions (3.48 points) and reference group (3.36 points). Market constraints differed according to gender (P < 0.001), and institutional conditions differed according to income (P < 0.001). There was a significant difference in the reference group according to the level of education (P < 0.05) and income (P < 0.05). Third, the practical capacity scores appeared in the order of separating discharge behavior, using behavior, purchasing behavior, and leadership behavior. Separating discharge behavior showed significant differences according to gender (P < 0.001), education level (P < 0.05), and income (P < 0.01). Using behavior showed a difference according to gender (P < 0.01), and purchasing behavior showed a significant difference according to income (P < 0.05). Leadership behavior showed no difference according to demographic factors. Fourth, internal capacity and external capacity showed a significant positive relationship with practical capacity. Factors affecting purchasing behavior were knowledge, attitude, institutional conditions, and reference group, and their explanatory power was 53%. Factors influencing using behavior were knowledge, attitude, institutional conditions, and reference group, and had an explanatory power of 37%. Leadership behavior was influenced by institutional conditions and the reference group, with an explanatory power of 31%.
Conclusions
Internal capacity, external capacity, and practical capacity show differences according to demographic factors. Factors influencing the practical capacity of adults were knowledge, attitude, institutional conditions, and reference group.

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[Korean]
Association between Eating Alone Patterns and Mental Health Conditions by Region among Korean Adults: Kyung Won Lee, Dayeon Shin; Korean J Community Nutr 2021;26(6):441-454. Published online December 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.6.441

Abstract PDF

Objectives
This study investigated the association between the frequency and pattern of eating alone and the mental health status according to region in Korean adults.
Methods
The data of 10,040 Korean adults aged ≥ 19 years from the Korea National Health and Nutrition Examination Survey (KNHANES) 2017 and 2019 were used. Participants were divided into 4 groups based on their frequency of eating alone: none (all meals together), 1, 2, and 3 meals/day alone. The regions were divided into urban and rural areas. Mental health status was assessed by stress recognition, depressive symptoms, and suicidal ideation. Multivariable logistic regressions were conducted to estimate the adjusted odds ratios (AORs) with 95% confidence intervals (CIs) on the association of the frequency and pattern of eating alone with poor mental health after controlling for covariates.
Results
Among Korean adults, 74.1% ate more than one meal a day alone. Individuals having 3 meals a day alone tended to be less educated, single, single person households, or living in urban areas (all P < 0.05). In rural areas, those having 3 meals/ day alone had higher odds of stress recognition (AOR: 1.55, 95% CI: 1.02-2.35) than those having all meals together. In urban areas, individuals eating alone 3 times/day had higher odds of stress recognition (AOR: 1.60, 95% CI: 1.31-1.96), depressive symptoms (AOR: 1.61, 95% CI: 1.23-2.12), and suicidal ideation (AOR: 2.14, 95% CI: 1.42-3.22) compared to those having all meals together. Urban residents having dinner alone had higher odds of depressive symptoms (AOR: 1.29, 95% CI: 1.05-1.58) and suicidal ideation (AOR: 1.66, 95% CI: 1.19-2.33) than those having dinner with others.
Conclusions
Our findings showed that the frequency and patterns of eating alone were differentially associated with increased odds of poor mental health according to region of residence. Nutrition education is needed for those frequently eating alone, particularly those living in urban areas, to highlight the advantages of eating together and to ensure that they have balanced and healthy meals even if they eat alone.

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The Impact of Social Activity Restrictions on Depression in Young Single-Person Households: The Moderating Effect of Eating Alone
Jiwon Kim, Youngye Park
Journal of Social Science.2025; 36(3): 27. CrossRef
Association of ultra-processed food with diabetes and impaired fasting glucose in elderly populations (urban and rural): a cross-sectional study
Seung Jae Lee, Mi Sook Cho
Korean Journal of Community Nutrition.2024; 29(1): 51. CrossRef
How Does the Frequency of Eating-Alone among Older People in Korea Affect Their Health and Dietary Behavior?
Yongseok Kwon, Kyung Hee Hong, Yoo-Kyung Park, Sohye Kim
Nutrients.2023; 15(9): 2085. CrossRef
Impact assessment of a primary care physician counseling program for youth population
Yun-Su Kim, Shin-Ae Kim
Medicine.2022; 101(46): e31916. CrossRef

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39 Download
4 Crossref

[Korean]
Relationship between Eating Behavior and Healthy Eating Competency of Single-Person and Multi-Person Households by Age Group: Seung-Hee Hong, Ji-Myung Kim; Korean J Community Nutr 2021;26(5):337-349. Published online October 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.5.337

Abstract PDF

Objectives
The purpose of this study was to analyse the relationship between eating behaviour and healthy dietary competency of single and multi-person households, to improve healthy eating behavior.
Methods
This study was conducted on 6,355 adult household members who participated in the Food Consumption Behavior Survey 2020. The subjects were divided into age groups comprising young people in their 20s and 30s, middle-aged people in their 40s and 50s, and the elderly in their 60s and above. The eating behavior and healthy dietary competency of single-person and multi-person households were then analyzed.
Results
The average age of the members in the single-person households was found to be higher. Single-person households were also found to have a lower marriage rate and lower monthly household income than multi-person households across the age groups of young, middle-aged, and elderly people (P < 0.05). Among each of the age groups, single-person households had significantly higher rates of skipping breakfast and eating breakfast, lunch, and dinner alone than multi-person households (P < 0.05). Young single-person households had lower average scores on healthy dietary competency than multi-person households (P = 0.032). When adjusted for age, gender, marriage, education, occupation, and household income, single-person households had a higher risk of delivery/take-out, eating out, or skipping meals compared to multi-person households (P < 0.05). In multi-person households, the risk of skipping meals, eating alone, eating out, or delivery/take-out decreased as healthy dietary competency improved (P< 0.05). On the other hand, in single-person households, as healthy dietary competency increased, the risk of delivery/take-out or eating alone decreased (P< 0.05).
Conclusions
The results of this study suggest that healthy dietary competency and eating practices can be improved by providing customized dietary education by age group for single and multi-person households.

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Impact of Dietary Habits, Physical Activity, and Perceived Health Status on Health‐Related Quality of Life by Household Characteristics of Patients With Chronic Diseases: The Korea Community Health Survey (KCHS)
Soyean Kang, Hae Sagong, Juyoung Lee
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Understanding the charactersitics and types of single-person households based on food purchase frequencies in Korea: a cross-sectional study using the 2023 Consumer Behavior Survey for Foods
So-Yun Kim, Youngmin Nam, Jong-Youn Rha, Haerang Lee
Korean Journal of Community Nutrition.2025; 30(1): 27. CrossRef
Dietary status and the relationship between dietary competencies, cooking skills, and nutrition quotient of middle-aged adults living alone in Korea
Sooyoun Kwon, Youngmi Lee, Yun-Jung Bae
Nutrition Research and Practice.2025; 19(2): 257. CrossRef
A study on regional differences in dietary behaviors and satisfaction in Korea focusing on urban and rural comparisons: a cross-sectional study
Jong-Youn Rha, Sohyun Kim, Hae-Rang Lee, Juhyeon Kil
Korean Journal of Community Nutrition.2025; 30(2): 140. CrossRef
Antioxidant and Nutrition Facts Analysis of Konjac Jelly Stick Containing Pinus koraiensis Leaf Powder
Eunbin Park, Soo-In Ryu, Kyung Tae Jang, Jean Kyung Paik
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Comparative study on eating habits and health of single-person and multi-person households
Haerang Lee, Seon-Jip Kim, Minji Kang, Mi-So Shim
PLOS One.2025; 20(7): e0327763. CrossRef
The impact of flash continuous glucose monitoring and nutrition coaching on dietary self-efficacy and weight management in university students in Korea: a pre-post intervention study
Soojin Park
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Eun Jung Kwak, Hyun-Joo Lee
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Association between food-related media content and the eating behaviors of Korean adults according to household type
Ahyoung Yun, Hyein Jung, Byungmi Kim, Yoonjoo Choi
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Single-Person Households: Insights from a Household Survey of Fruit and Vegetable Purchases
Andres Silva, Maripaz Rivera, Samuel Durán-Agüero, Maria Isabel Sactic
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Minjung Ko, Kyungho Ha
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Comparison of Food and Nutrient Intake according to the Income Level in Korean Adult Single-Person Households: Using Data from the Korea National Health and Nutrition Examination Survey (2016-2018)
Min-Hee Han, Bok-Mi Jung
The Korean Journal of Community Living Science.2024; 35(3): 445. CrossRef
Hazardous alcohol use is associated with food insecurity in adults living alone: Findings from a nationwide study in Korea
Seong-Uk Baek, Yu-Min Lee, Jin-Ha Yoon, Jong-Uk Won
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Malnutrition risk, nutritional knowledge, and dietary intake in chronic kidney disease patients on hemodialysis: comparison according to coexisting diabetes
HyunJung Yoo, Sang Cheol Lee, Hye-Kyeong Kim
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A pilot investigation of a combined food literacy and exercise program for college students: a one-group pre-post intervention study
Minjeong Jeong, Jinhyun Kim, Dahye Han, Eunjin Jang, Kyoungho Choi, Sohyun Park
Korean Journal of Community Nutrition.2024; 29(6): 455. CrossRef
Associations of cooking practices and healthy eating habits among young Korean adults in their 20s
So-Young Kim, Ji Yu Choi
International Journal of Gastronomy and Food Science.2023; 31: 100644. CrossRef
밀키트 이용 고객의 식생활 양식과 밀키트 선택속성이 밀키트 제품의 만족도에 미치는 영향 분석
세은 김, 현주 배
Korean Journal of Food and Cookery Science.2023; 39(3): 187. CrossRef
The relationship between the prevalence of anemia and dietary intake among adults according to household types based on data from the 7th (2016–2018) Korea National Health and Nutrition Examination Survey
Hye Won Kim, Ji-Myung Kim
Journal of Nutrition and Health.2023; 56(5): 510. CrossRef
Improving the nutrition quotient and dietary self-efficacy through personalized goal setting and smartphone-based nutrition counseling among adults in their 20s and 30s
Dahyeon Kim, Dawon Park, Young-Hee Han, Taisun Hyun
Journal of Nutrition and Health.2023; 56(4): 419. CrossRef
Comparison of Eating Habits and Behaviors of Young Single-Person Households based on Food-Related Lifestyle
Dokyung Kim, Sim-Yeol Lee
Korean Journal of Health Promotion.2023; 23(3): 117. CrossRef
Perception to the dietary guidelines for Koreans among Korean adults based on sociodemographic characteristics and lifestyle
Yejin Yoon, Soo Hyun Kim, Hyojee Joung, Seoeun Ahn
Journal of Nutrition and Health.2023; 56(6): 742. CrossRef
Association between Healthy Eating Index and Mental Health in Middle-Aged Adults Based on Household Size in Korea
Ji-Myung Kim, EunJung Lee
International Journal of Environmental Research and Public Health.2022; 19(8): 4692. CrossRef

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[Korean]
Evaluation of Dietary Habits and Health-Related Factors According to the Employment in Women in Early Adulthood - Based on the 2016~2019 Korea National Health and Nutrition Examination Survey: Yun-Jung Bae; Korean J Community Nutr 2021;26(4):249-258. Published online August 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.4.249

Abstract PDF

Objectives
This study aimed to compare the factors of dietary and health behavior according to the employment in women in early adulthood and to analyze their relationship. Methods: In this study, adult women aged 20~29 who participated in the Korea National Health and Nutrition Examination Survey (KNHANES) 2016~2019 were classified into two groups depending on their permanent worker status, namely tenured employees (n = 254) and temporary employees (n = 377). Dietary habits (prevalence of skipping meals, food nutrition label use, etc.), nutrient intake, and metabolic syndrome factors were analyzed. Results: The tenured employees' group showed a significantly lower proportion of subjects who skipped breakfast (P = 0.0254) and significantly higher daily energy intake (P = 0.0264) than the temporary employees' group. However, there were no significant differences in the intake of energy nutrients and most of the micronutrients per 1,000 kcal of energy intake between the two groups. The proportion of subjects who consumed energy nutrients under 75% of the estimated energy requirement (EER) was 38.11% in the tenured employees' group, which was significantly lower than the 48.30% in the temporary employees' group (P = 0.0159). In economically active women aged 19~29 years, the odds ratio of low HDL-cholesterolemia prevalence was 1.80 times higher (95% CI, 1.06-3.06) in the temporary employees' group compared to that in the tenured employees' group after adjustment for confounding factors (P = 0.0295). Conclusions: In conclusion, among Korean adult women in their twenties, temporary employees showed inappropriate eating habits such as skipping breakfast, and had abnormal blood lipid levels.

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Temporary Employment Is Associated with Poor Dietary Quality in Middle-Aged Workers in Korea: A Nationwide Study Based on the Korean Healthy Eating Index, 2013–2021
Seong-Uk Baek, Myeong-Hun Lim, Yu-Min Lee, Jong-Uk Won, Jin-Ha Yoon
Nutrients.2024; 16(10): 1482. CrossRef

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5 Download
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[Korean]
Do American Consumers Perceive Corporate Social Responsibility Actions and Exhibit Loyalty Intentions Differently according to the Reputation of Fast Food Restaurants?: Kiwon Lee, Youngmi Lee; Korean J Community Nutr 2021;26(3):177-187. Published online June 30, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.3.177

Abstract PDF: Objectives
This study investigated the different perceptions of customers toward traditional and non-traditional fast-food restaurants regarding restaurant healthfulness, corporate reputation, and the impact of corporate reputation on loyalty intentions through corporate social responsibility (CSR) motive.
Methods
An online survey was conducted on U.S. residents who were aware of fast food restaurants’ CSR activities. Participants selected one fast food restaurant participating in CSR activities, coded as either traditional (n = 117) or non-traditional (n = 48), and answered questions about the selected restaurant’s healthfulness, reputation, CSR motives, and loyalty intentions. The participants’ perceptions of healthfulness and corporate reputation of the two types of fast-food restaurants were compared. A mediation path of corporate reputation – CSR motive – loyalty intention was analyzed.
Results
Non-traditional fast-food restaurants (5.02 ± 1.26) were perceived to be more healthful than traditional ones (3.93 ± 1.72). The participants perceived that compared to traditional fastfood restaurants, non-traditional ones had a better overall corporate reputation (P = 0.037), were more concerned about their customers (P = 0.029), better workplaces (P = 0.007), more environmentally and socially responsible (P < 0.001), and offered higher quality products and services (P = 0.042). Significant positive correlations were shown between restaurant healthfulness and corporate reputation (P < 0.001 for all reputation items). The suggested mediation path was supported with 95% CIs excluding zero, implying that when fast-food restaurants had a better reputation overall, were customer oriented, good employers, strong companies with a good product and service quality, social and environmental responsibility, the participants were more likely to perceive their CSR activities to be sincere and were hence loyal to that restaurant.
Conclusions
Overall, participants were more favorable towards non-traditional fast-food restaurants which had a healthier image and better reputation than traditional ones. Therefore, fast food restaurants need to consider offering healthy food and enhance their image, which would maximize the return on their investment in CSR.

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[English]
A Comparative Study of the Dietary Behavior of Adults Aged 20 and Over according to the Mukbang Viewing Time: Ha-Yan Nam, Bok-Mi Jung; Korean J Community Nutr 2021;26(2):93-102. Published online April 30, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.2.93

Abstract PDF

Objectives
This study was conducted to investigate the relationship between watching Mukbang (eating broadcasts) and dietary and health behavior in adults who watch Mukbang Methods: The questionnaire was administered on a self-written basis through online and offline formats to 800 adults (400 men and 400 women). The contents of the survey consisted of general characteristics, Mukbang viewing time per week, breakfast intake frequency, preference for menus when viewing Mukbang , delivery food intake frequency per week, late meal intake frequency per week, and health behavior. The subjects were divided into three groups according to Mukbang viewing time.
Results
The body weight of viewers was significantly higher whenMukbang viewing time was over 14 hours for both men and women. In particular, based on the BMI (body mass index), those who watched Mukbang for more than 14 hours were found to be overweight. People with more than 14 hours of Mukbang viewing time per week were found to prefer mostly carbohydrate-rich food and meat, while those with less than 7 hours of Mukbang viewing time per week showed a higher preference for vegetables and fruits. An analysis of the frequency of breakfast eaten showed that the rate of skipping breakfast was the highest for those who watched Mukbang for more than 14 hours per week, and the rate of eating breakfast daily was the highest in the case of fewer than 7 hours of viewing. In the case of high Mukbang viewing time per week, the frequency of food delivery and night eating was high. When Mukbang viewing time was high, the viewer’s interest in health was low and the frequency of exercising too was low.
Conclusions
Viewers with high Mukbang viewing time showed undesirable health and eating behavior. Thus, it is believed that proper nutrition education on improving eating habits and raising the awareness of correct eating habits is necessary for such viewers.

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Association between food-related media content and the eating behaviors of Korean adults according to household type
Ahyoung Yun, Hyein Jung, Byungmi Kim, Yoonjoo Choi
Frontiers in Nutrition.2025;[Epub] CrossRef
Addictive symptoms of mukbang watching: A qualitative interview study using directed content analysis
Kagan Kircaburun, Filipa Calado, Andrew Harris, Mark D. Griffiths
Emerging Trends in Drugs, Addictions, and Health.2024; 4: 100147. CrossRef
Mukbang and Cookbang watching and dietary behavior in Korean adolescents
Jimin Sung, Jae-Young Hong, Jihong Kim, Jihye Jung, Seoeun Choi, Ji Yun Kang, Mi Ah Han
Nutrition Research and Practice.2024; 18(4): 523. CrossRef
Effects of watching Mukbang and Cookbang videos on adolescents’ dietary habits and mental health: cross-sectional study using the 18th Korea Youth Risk Behavior Survey
Seung-Hee Hong
Korean Journal of Community Nutrition.2024; 29(2): 156. CrossRef
Mukbang watching in Iran: a brief report validating the Persian version of the mukbang addiction scale and its relationship with disordered eating decisions and habits
Reza Shabahang, Sohee Kim, Xiuhan Chen, Mara S. Aruguete, Ágnes Zsila
Current Psychology.2024; 43(37): 29296. CrossRef
성인 남녀의 먹방 시청시간에 따른 식행동에 대한 연구
하얀 남, 복미 정, 은례 전
Korean Journal of Food and Cookery Science.2024; 40(4): 275. CrossRef
Changes In the Activation of Supra-hyoid Muscles and Heart Rate of College Students During Food Intake According to Watching Mukbang
Byung-o Ahn, Sung-Min Son, Hyeong-Min Kim
American Journal of Health Behavior.2023; 47(4): 832. CrossRef
밀키트 이용 고객의 식생활 양식과 밀키트 선택속성이 밀키트 제품의 만족도에 미치는 영향 분석
세은 김, 현주 배
Korean Journal of Food and Cookery Science.2023; 39(3): 187. CrossRef
The Relationship Between Watching Mukbang (Eating Show), Eating Behaviors, and Anthropometric Parameters in Iranian Female Students
Fatemeh Manafi Anari, Shahryar Eghtesadi
Journal of Research in Health Sciences.2023; 23(1): e00574. CrossRef
Health behaviors and eating habits in people’s 20s and 30s according to food content usage level on social media: a cross-sectional study
Seo-Yeon Bang, Bok-Mi Jung
Korean Journal of Community Nutrition.2023; 28(5): 392. CrossRef
Development and validation of Problematic Mukbang Watching Scale and Mukbang Watching Motives Scale: A cross-sectional study with adult mukbang watchers
Kagan Kircaburun, Andrew Harris, Filipa Calado, Mark D. Griffiths
Psychiatry Research Communications.2023; 3(3): 100138. CrossRef
Actual Status of Mukbang Viewing and Food Habits of University Students in Wonju Area
Seung-Lim Lee, Sun Hee Lee
The Korean Journal of Community Living Science.2022; 33(4): 631. CrossRef
Uses and gratifications of problematic mukbang watching – The role of eating and social gratification: A pilot study
Kagan Kircaburun, Mustafa Savcı, Emrah Emirtekin, Mark D. Griffiths
Journal of Psychiatric Research.2022; 146: 28. CrossRef
Problematic video-streaming: a short review
Maryam Rahat, Juliette Mojgani, Grace Lethbridge, Hashim Al-Bya, Beth Patterson, Carolina Goldman Bergmann, Michael Van Ameringen
Current Opinion in Behavioral Sciences.2022; 48: 101232. CrossRef

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[English]
Health and Nutrition Status of Elderly People with Multimorbidity: A Korea National Health and Nutrition Examination Survey (2013~2015): Na-Gyeong Oh, Jung-Sook Seo; Korean J Community Nutr 2020;25(6):502-511. Published online December 31, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.6.502

Abstract PDF

Objectives
This study investigated the health and nutritional status of the elderly according to the number of chronic diseases, using data obtained from the Korea National Health and Nutrition Examination Survey 2013~2015. Methods: Data from a total of 2,310 individuals, aged 65 years and over, were used for the analysis. The elders were divided into 0 (n=375), 1 (n=673), 2 (n=637) and 3 or more (n=625) groups, by considering the number of chronic diseases. Results: Compared to other groups, the elderly subjects who were living with their spouse had the highest ratio in group 0 (P < 0.05), whereas subjects without economic activities had highest ratio in 3 or more group (P < 0.05). The EQ-5D index of subjects in the 0 group (0.90 ± 0.01) was higher than that in the 3 or more group (0.86 ± 0.01) (P< 0.05). After adjusting for confounding factors, the energy intake of subjects was determined to be lowest in the 3 or more group (P < 0.05). Protein (P < 0.05) and riboflavin (P < 0.05) intakes of the 3 or more group were also lower than other groups. Conclusions: This study indicates that multimorbidity of the elderly is associated with their health and nutritional status. The nutrients intake of the elderly, especially energy, protein and riboflavin, tended to be lowest in the 3 or more group. Further research is required to elucidate the risk factors related to presence of multimorbidity in the elderly.

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Biochemical characteristics, nutrient intakes, and chronic disease risk according to the dietary fat energy ratio in middle-aged Korean: a cross-sectional study using data from the 7th (2016–2018) Korean National Health and Nutrition Examination Survey
Ga-Hyeon Jeong, Sook-Bae Kim
Korean Journal of Community Nutrition.2024; 29(6): 528. CrossRef
Breastfeeding Duration Is Associated with the Risk of Tooth Loss, Chewing Difficulty, and Undernutrition among Older Korean Women: Results of the Korea National Health and Nutrition Examination Survey (KNHANES) 2013–2015
Ye Rang Jo, Yoo Kyoung Park, Hee-Sook Lim
Nutrients.2023; 15(24): 5024. CrossRef
Nutritional Status according to the Frailty Status of the Elderly at Home in Seo-gu, Gwangju, Korea
Ye Eun Kim, Young-Ran Heo
Korean Journal of Community Nutrition.2021; 26(5): 382. CrossRef

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[English]
E-commerce Food Purchases by Adult Women according to their Household Types: Yu-Jin Park, Yu-Mi Kim, Mi-Kyeong Choi; Korean J Community Nutr 2020;25(6):464-473. Published online December 31, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.6.464

Abstract PDF

Objectives
The purpose of this study was to compare and analyze e-commerce food purchase behavior and the perceptions of adult women according to their household types. Methods: The e-commerce food purchases of 318 adult women were surveyed and analyzed according to their household types (one-person or couple household (OCH); a household with children (HC); a household with parents (HP)). Results: The total amount of food purchases over 6 months through e-commerce according to household types was in the descending order of OCH (60.3%), HC (57%), and HP (55.1%) thus showing a significant difference (P < 0.05) in behavior between household types. The reasons for purchasing food through e-commerce included: a lower price than offline (30.8%), convenient delivery and transportation (30.2%), and food diversity (21.1%). When purchasing food online, the most important factor was price and quality, followed by quick and accurate delivery for OCH, exact information given about the product for HC, and recommendation from other consumers for HP (P < 0.01). The main foods purchased through e-commerce were coffee, tea (42.1%), instant and frozen foods (39.9%), water, beverages, dairy products (37.7%), snacks, bread, rice cakes (31.5%), and functional foods (27.4%). The percentage of respondents who were very satisfied or satisfied with their ecommerce food purchases was HP (84.1%), OCH (69.9%), and HC (65.6%) in that order (P < 0.05), and 96.5% of all subjects stated that they would be willing to purchase food through e-commerce in the future. The advantages of purchasing food through e-commerce were seen to be the highest in order and payment convenience with 4.1 points out of 5, followed by low price (4.0), variety of products (3.9), and ease of food purchase (3.9).Among the disadvantages listed, concerns about product damage and deterioration during delivery and differences between the displayed product and the delivered product were the highest with 3.7 points. Conclusions: The characteristics and perceptions of female consumers according to household types are important factors in enhancing the reach of e-commerce, and in preparing guidelines for food selection through e-commerce.

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Effects of the Perceived Quality and Attitude on Satisfaction in Online Fresh Food Shopping
Jin-Yi Jeong, Yoon-Ji Choi, Hye-Sung Chae, Jung Shin Choi, Joo-Lee Son
Journal of the East Asian Society of Dietary Life.2022; 32(3): 202. CrossRef
Examination the Factors that Influence Online Food Purchase Intention : An Empirical Study Based on the Technology Acceptance Model (TAM)
Jin-Yi Jeong, Yoon-Ji Choi, Hye-Sung Chae, Jung Shin Choi, Joo-Lee Son
Journal of the East Asian Society of Dietary Life.2021; 31(5): 320. CrossRef

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[English]
Evaluation of Nutritional Status of Vitamins and Minerals According to Consumption of Dietary Supplements in Korean Adults and the Elderly: Report Based on 2017 Korea National Health and Nutrition Examination Survey data: Ji-Myung Kim; Korean J Community Nutr 2020;25(4):329-339. Published online August 31, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.4.329

Abstract PDF

Objective
This study was undertaken to evaluate the intake of vitamins and minerals from dietary supplements (DSs) in Korean adults and elderly.
Methods
Data for this study was generated from the 2017 Korea National Health and Nutrition Examination Survey (KNHANES). We analyzed 4,204 individuals aged 19 years and older (2,579 users and 1,625 non-users). The survey included 24-h recall questions on food and DS intakes, as well as questions on DS use over the past year. The nutrient DSs evaluated were calcium, phosphorus, iron, vitamin A, thiamin, riboflavin, niacin, and vitamin C. Total nutrient intakes were obtained by combining nutrient intakes of foods and DSs consumed by each subject.
Results
Most micronutrient intakes from food (except for thiamin) in adult users, and the four micronutrient intakes (iron, vitamin A, vitamin B₂ and vitamin C) in elderly users, were significantly higher than values obtained in non-users. For total intake of nutrients and DSs, both adult and elderly users had a significantly higher intake than non-users. While proportions below Estimated Average Requirements for all micronutrients by adding respective DSs in users were significantly reduced in adults and elderly as compared to non-users, the proportions of above Tolerable Upper Intake Levels for calcium and vitamin A in adults, and vitamin A in elderly, were significantly increased. In the total subjects examined, consumption of DSs was associated with lower odds ratios of undernutrition of micronutrients, and with higher odds ratios of overnutrition of calcium, iron, and vitamin A, as compared to non-users of DSs.
Conclusions
Although DSs consumption by adults and the elderly improves the micronutrient status, it also increases the risk of excessive intake of certain vitamins and minerals.

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[English]
Relationship between Arterial Stiffness and Physical Activity Level Assessed by International Physical Activity Questionnaireshort form (IPAQSF) in the Elderly: HyunJu Lee, JiYeon Gwak, HaYeon Jun, EunKyung Kim; Korean J Community Nutr 2020;25(3):236-245. Published online June 30, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.3.236

Abstract PDF

Objectives
Cardiovascular disease is a major cause of death in the elderly in Korea. Increased arterial stiffness is linked to risk of cardiovascular disease and mortality. The purpose of this study was to investigate the relationship between arterial stiffness and physical activity in the elderly.
Methods
A total of 209 older adults (110 men and 99 women) participated in this study. Arterial stiffness of subjects such as brachial–ankle pulse wave velocity (baPWV) and ankle brachial pressure index (ABI) was measured using a non-invasive vascular screening device (VP-1000 Plus, Omron, Kyoto, Japan). The interviewed Korean version of the international physical activity questionnaire short form (IPAQ-SF) was used to evaluate subject’s physical activity level and classify subjects as active or inactive group based on the time spent doing moderate to vigorous physical activity (MVPA).
Results
The mean age of total subjects was 75.3 ± 5.6 years. There was no significant difference in sex distribution between the active group (39.7%) and inactive group (60.3%). The baPWV (1,758.1 ± 375.2cm /sec) of the active group was significantly lower than that (1,969.7 ± 372.3 cm/sec) of the inactive group (P < 0.05). There was a significant inverse association between time spent in MVPA and baPWV (r = -0.245, P < 0.01).
Conclusions
This study suggests that physical activity programs for older adults are needed to prevent arteriosclerosis.

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Arterial stiffness index, physical activity and food and nutrient intake: cross-sectional study in adults aged 40 years and older
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[English]
Qualitative Study on the Perception of Community Food-accessibility Environment among Urban Older Adults: Narae Yang, Kirang Kim; Korean J Community Nutr 2020;25(2):137-149. Published online April 30, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.2.137

Abstract PDF

Objectives
This study explored the community food environmental factors affecting food purchasing using a qualitative research methodology for the elderly as well as the various food environments under their socioeconomic diversity.
Methods
For the qualitative data collection, this study interviewed 20 elderly people aged 65 years or more, who participated in a public health program or lunch services operated by the senior welfare center in Seoul. Five dimensions, such as availability, physical accessibility, affordability, acceptability, and accommodation suggested in previous studies, were used to identify the community food environmental factors.
Results
The elderly participants showed overall similarities to the concepts derived from existing studies on the five dimensions of food accessibility environment. In addition, other important food accessibility environmental factors that were not present in previous studies, such as acceptability for a product of domestic origin, delivery service to home, and small-packaged food sales, were derived. On the other hand, the concept of some subjects differed depending on the household income and specifically for the physical accessibility concept. This showed that the close distance factor from a grocery store at home might not apply to older adults in low-income households in Korea.
Conclusions
This study found that five dimensions of the food environment suggested by previous studies could also be applied to vulnerable older adults in Korea. On the other hand, the socioeconomic characteristics of individuals and households would affect the perspectives of their local food environments differently. The findings of this study could help in the development of tools for evaluating the community food environment.

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Danbi Gwon, Ji-Yun Hwang, Jieun Oh
Korean Journal of Community Nutrition.2025; 30(1): 16. CrossRef
Spatial inequalities and driving factors in food accessibility: Integrating online and offline grocery services in South Korea
Hyebin Kim, Minkyu Kim, Sugie Lee
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Analysis of Accessibility Changes to Neighborhood Food Environment and Food Desert Phenomenon in Seoul, Korea : Focused on the High-density Areas of Low-income Older Adults
Taekyung Seong, Sugie Lee
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Analyzing Socio-Economic and Geographical Factors that Affect the Health of the Elderly
Zacharias Dermatis, Athina Lazakidou, Athanasios Anastasiou, Panagiotis Liargovas
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[English]
Dietary Safety Management Awareness and Competency for Healthcare among Adults in Daegu and Gyeongbuk Areas: Yunhwa Kim; Korean J Community Nutr 2020;25(2):112-125. Published online April 30, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.2.112

Abstract PDF

Objectives
Diet and incidence of chronic diseases are highly related. This study examined the characteristics of dietary safety awareness and competency for chronic disease prevention among adults.
Methods
Data were collected from 247 adults in Daegu and Gyeongbuk areas using a self-administered questionnaire in May and June of 2018. Data were analyzed by frequency analysis, χ 2-test, factor analysis, reliability analysis, t-test, one-way analysis of variances, and correlation.
Results
The results of the factor analysis indicate that dietary safety awareness of health management was classified into chronic disease anxiety and obsession. Awareness of dietary safety management was sub-grouped into difficulty in acquiring knowledge, lack of awareness of over and malnutrition, food safety anxiety, importance of weight management, education requirement for cancer prevention, and knowledge. Dietary safety behavior composed of a balanced diet, unhealthy diet, and healthfunctional pursuit. Dietary safety management competency was comprised of health management, food management, and cooking. The competency scores of dietary safety management factors were significantly different according to sex, age, and education level (P < 0.05). Balanced diet factor was significantly correlated with knowledge, health-functional pursuit, health management, food management, and cooking capacity factors (P < 0.01).
Conclusions
Active education for dietary safety management competency according to age, gender, and education level should provide dietary safety education to reduce anxiety and obsession regarding chronic diseases and sustainable health management.

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Dietary safety management competency for the sustainable health management of adolescents
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Cancer survivor's dietary safety management awareness and competency type
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Original Articles

[English]
Home Meal Replacement Use and Eating Habits of Adults in One-Person Households: Mi Kyeong Choi, Eun Sun Park, Mi Hyun Kim; Korean J Community Nutr 2019;24(6):476-484. Published online December 31, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.6.476

Abstract PDF

OBJECTIVES
The rise of one-person households may have consequences for food consumption patterns, and eating habits. This study investigated the home meal replacement (HMR) use and eating habits among adults in their 20s-30s living in one-person households.
METHODS
A total of 247 adults aged 26â€“39 years participated in this study. The subjects were divided into three group according to the household type; one-person households (n=80), two-person households (n=49), and multi-family (three and more members) households (n=118). Their use of HMRs (classified as ready-to-eat, ready-to-cook, and fresh convenience foods) and their eating habits were all compared.
RESULTS
The mean age of the subjects was 30.5 years, 47.8% were male, and there was no significant difference in age, gender, occupation, and monthly income according to the type of household. The intake frequency of total HMR and ready-to-eat foods was significantly higher in one-person households among the three groups. People in one-person households consumed more HMRs alone, and spent more money to buy HMRs. Undesirable dietary habit scores like unbalanced eating (p<0.05) and eating salty foods (p<0.05) were significantly higher in the one-person households. Among the total subjects, the unbalanced eating scores showed a significant positive correlation with the intake frequency of ready-toeat foods, while the unbalanced eating scores showed negative correlation with the preference of fresh convenience foods. The scores for eating salty foods showed a significant positive correlation with the intake frequency and preference of ready-to-eat foods and ready-to-cook foods, while there was negative correlation with the intake frequency and preference of fresh convenience foods.
CONCLUSIONS
Adults in their 20sâ€“30s in one-person households consumed more ready-to-eat foods than those in multi-family households. In addition, people with one-person households had more unbalanced diets and ate more salty foods, and these undesirable eating habits showed a significant positive correlation with the use of ready-to-eat or ready-to-cook foods. These results should be addressed for producing healthier ready-to-eat/ready-to-cook foods and implementing nutrition education for making healthy food choices of one-person households, which are steadily increasing.

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Understanding the charactersitics and types of single-person households based on food purchase frequencies in Korea: a cross-sectional study using the 2023 Consumer Behavior Survey for Foods
So-Yun Kim, Youngmin Nam, Jong-Youn Rha, Haerang Lee
Korean Journal of Community Nutrition.2025; 30(1): 27. CrossRef
Application of a living lab model to an evidence-based reduced-sodium healthy eating practice program in Korea: a pre-post study
Jung-Hyun Kim, Eugene Shim, Min Sook Kyung, Sooyoun Kwon, Hyoung su Park, Jae-Heon Kang
Korean Journal of Community Nutrition.2025; 30(1): 53. CrossRef
Dietary status and the relationship between dietary competencies, cooking skills, and nutrition quotient of middle-aged adults living alone in Korea
Sooyoun Kwon, Youngmi Lee, Yun-Jung Bae
Nutrition Research and Practice.2025; 19(2): 257. CrossRef
Maternal home meal replacement use and attitudes, and young children’s preferences by usage frequency in meals for young children: a cross-sectional study
Bo-Yeon Kim, Mi-Hyun Kim, Jee-Young Yeon
Korean Journal of Community Nutrition.2025; 30(2): 163. CrossRef
Comparative study on eating habits and health of single-person and multi-person households
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Eating behaviors, home meal replacement consumption, and nutrition quotient: a comparative study of male shift and non-shift workers in Chungcheong, Korea
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The frequency of convenience food consumption and attitude of sodium and sugar reduction among middle and high school students in Seoul: a descriptive study
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Problems Encountered in Analyzing the Market Size, Purchase, and Consumption of HMR in the Republic of Korea
Sung Ok Kwon, Injoo Choi, Yoojeong Joo, Jihyun Yoon
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Korean Journal of Food Preservation.2022; 29(5): 715. CrossRef
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Analysis of Contamination of Total Aerobic Bacteria and Foodborne Pathogens in Home Meal Replacement (HMR) and the Importance of Food Hygiene Management
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[English]
Dietary and Lifestyle Factors Associated with Weight Status among Korean Adolescents from Multicultural Families: Using Data from the 2017–2018 Korea Youth Risk Behavior Surveys: SuJin Song, Hyojune Song; Korean J Community Nutr 2019;24(6):465-475. Published online December 31, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.6.465

Abstract PDF

OBJECTIVES
This study investigated dietary and lifestyle factors associated with the weight status among Korean adolescents in multicultural families.
METHODS
This cross-sectional study analyzed 1,751 multicultural families' adolescents who participated in the 2017â€“2018 Korea Youth Risk Behavior Surveys. Information on dietary and lifestyle factors was self-reported using a web-based questionnaire and this information included breakfast and foods consumption, perceived health status, alcohol drinking, smoking, physical activity, and weight control efforts. Body mass index (BMI) was calculated based on the self-reported height and body weight (kg/mÂ²). Weight status was assessed according to the 2017 Korean National Growth Chart: underweight (weight-for-age <5(th) percentiles), overweight (85(th)â‰¤ BMI-for-age <95(th) percentiles), and obese (BMI-for-age â‰¥95(th) percentiles). Multiple logistic regression analysis was performed to examine the dietary and lifestyle factors associated with weight status after adjustment for covariates.
RESULTS
Among Korean adolescents from multicultural families, the prevalence of overweight/obesity was 20.9%, whereas about 7% of adolescents were underweight. The weight status did not show differences according to gender, school level, area of residence, and household income. Compared to adolescents who did not have breakfast during the previous week, those who had breakfast 3â€“4 days/week and â‰¥5 days/week had a 42% (p=0.021) and a 37% (p=0.009) lower prevalence of overweight/obesity, respectively. The adolescents who frequently consumed carbonated soft drinks (â‰¥5 times/week) showed an odds ratio (OR) of 1.69 (95% CI=1.01â€“2.83) for overweight/obesity relative to those adolescents who did not consume carbonated soft drinks. The OR of being underweight for adolescents who ate fast food â‰¥3 times/week was 1.97 (95% CI=1.04â€“3.71) compared to those adolescents who had not eaten fast food during the previous week.
CONCLUSIONS
Dietary and lifestyle factors were associated with overweight/obesity as well as underweight among Korean adolescents in multicultural families. Our findings could be used to design and provide nutrition interventions for this specific population.

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Prevalence of Malnutrition and Obesity Among Children and Adolescents From Immigrant Families Living in Korea
Seong-Woo Choi, So-Yeong Kim, Kyung-Ae Park
Journal of Korean Maternal and Child Health.2025; 29(1): 29. CrossRef
Fruit Consumption and Mental Health in Adolescents from Multicultural and Non-multicultural Families: Data from Korea Youth Risk Behavior Web Based Survey 2021
Soohyun Kim, Jeong-Hwa Choi, Young-Ran Heo
Human Ecology Research.2025; 63(2): 175. CrossRef
Identification of important features in overweight and obesity among Korean adolescents using machine learning
Serim Lee, JongSerl Chun
Children and Youth Services Review.2024; 161: 107644. CrossRef
Dietary Behaviors Associated with Health Perception of Korean Adolescents from Multicultural Families: based on data from the 2017 ~ 2019 Korea Youth Risk Behavior Surveys
YueRong Hu, SuJin Song
Korean Journal of Community Nutrition.2022; 27(3): 192. CrossRef
Effects of heavy metal, vitamin, and curry consumption on metabolic syndrome during menopause: a Korean community-based cross-sectional study
Hai Duc Nguyen, Min-Sun Kim
Menopause.2021; 28(8): 949. CrossRef
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Hai Nguyen Duc, Hojin Oh, In Mo Yoon, Min-Sun Kim
Journal of Nutritional Science.2021;[Epub] CrossRef
Effects of Antioxidant Vitamins, Curry Consumption, and Heavy Metal Levels on Metabolic Syndrome with Comorbidities: A Korean Community-Based Cross-Sectional Study
Hai Nguyen Duc, Hojin Oh, Min-Sun Kim
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Yoo-Jin Jung, Sung Hee Min, Min June Lee
Journal of the East Asian Society of Dietary Life.2020; 30(3): 208. CrossRef

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[English]
Recognition of Environmentally-friendly Agricultural Products for School Foodservice of Nutrition Teachers and Parents in 2018 at Seongnam in Gyeonggi province: Jisoo Kwon, Wookyoun Cho; Korean J Community Nutr 2019;24(4):290-299. Published online August 31, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.4.290

Abstract PDF: OBJECTIVES
This study examined the nutrition teachers' and parents' recognition of environmentally-friendly agricultural products (EAPs) used in school foodservice.
METHODS
A questionnaire survey was given to 128 school foodservice nutrition teachers in Seongnam and 189 parents from Oct. 16 to Oct. 31, 2018 at Seongnam in Gyeonggi province. The survey included information on the recognition, satisfaction, and improvement of EAPs, and the results of the two groups were compared.
RESULTS
A comparison of the recognition of EAPs showed that nutrition teachers knew more about the EAPs and local government support in school foodservice than the parents. On the other hand, the parents were more aware than the nutrition teachers in that children have a higher affinity for EAPs than for general agricultural products in the school foodservice. A comparison of the level of satisfaction with the EAPs by nutrition teachers and parents revealed the nutrition teachers to be significantly more satisfied than parents in terms of the color, taste and nutrition of EAPs. Among the items that should be provided with EAPs, more than 50% of each group of nutrition teachers and parents answered that vegetables must be provided first. Some 70.9% of nutrition teachers and 84.5% of parents were aware of the certification standards of EAPs. The nutrition teachers had showed a slightly higher score than the parents in the certification system (3.51 vs. 3.25). In terms of improving the EAPs, 36.2% of nutrition teachers answered a reasonable price preferentially, whereas 56.4% of parents answered maintaining quality. In the expected effects of using EAPs, 57.9% of nutrition teachers answered an improvement of parents' satisfaction on the school foodservice. On the other hand, 38.0% of parents answered an improvement of children' satisfaction on school foodservice.
CONCLUSIONS
Nutrition teachers and parents need to be educated on the certification systems that would enhance the trust in EAPs.

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[English]
Operation and Process Evaluation of a Community Meal Program for the Elderly in Rural Areas during Agricultural Off-Season Perceived by Cooking Volunteers: Jeong Sook Bae, Sol Bee Seong, So Mang Jang, Chang Hee Yoo, Young Suk Lim, Young Mi Lee, Hae Ryun Park, Kyung Eun Lee; Korean J Community Nutr 2019;24(4):277-289. Published online August 31, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.4.277

Abstract PDF

OBJECTIVES
This study examined the practices of a community meal program for older adults in rural areas during the agricultural off-season.
METHODS
A survey was conducted from December 12 to December 22, 2016. Self-administered questionnaires were distributed to 150 cooking volunteers, who had participated in the community meal program in 50 villages. A total of 114 responses were returned from 44 villages and used for data analysis. In addition, in-depth interviews were conducted with the volunteers of eight villages.
RESULTS
Most of the cooking volunteers were 50 years old or older and they participated in serving older adults meals for good will. The cooking volunteers perceived that the older adults in their community did not eat various foods, had difficulties in grocery shopping, and frequently consumed salty foods. During the agricultural off-season, 40.9% of villages served the older adults meals 6â€“7 days a week and 95.5% provided meals for lunch. An average of 21 to 40 older adults were served meals in each village. The cooking volunteers reported that the food preparation and meal service times were sufficient, recipes provided were useful, and menus met the preference of the older adults. At the end of the program, they felt proud of serving meals for older adults in the community. An increased awareness of healthy eating, interest in health, and consumption of nutritious meals, a decrease in loneliness among older adults, and the promotion of fellowship in the community were rated highly. The cooking volunteers expected additional support for cooking personnel and insisted that the program should be provided for the entire agricultural off-seasons.
CONCLUSIONS
The community meal program during the agricultural off-season for the elderly in rural areas was effective in improving the dietary life of older adults, relieving their feelings of isolation, and promoting fellowship of the community. The volunteers felt workload due to a shortage of volunteers but answered that they were rewarded by helping older adults in their community.

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An Interactive Live and Online Cooking Program for Children in Vulnerable Families—An Exploratory Study
Jiyoung Park, Sein Hwang, Seolhyang Baek, Gill A. Ten Hoor
Healthcare.2022; 10(12): 2389. CrossRef
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Yu Rim Choi, Hae Ryun Park, Kyung Hee Song, Youngmi Lee, Young Suk Lim
Nutrition Research and Practice.2020; 14(3): 242. CrossRef
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[English]
Evaluation of Total Fat and Fatty Acids Intakes in the Korean Adult Population using Data from the 2016–2017 Korea National Health and Nutrition Examination Surveys: SuJin Song, Jae Eun Shim; Korean J Community Nutr 2019;24(3):223-231. Published online June 30, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.3.223

Abstract PDF

OBJECTIVES
This study evaluated dietary intakes of total fat and fatty acids among the Korean adult population.
METHODS
This cross-sectional study used the 2016â€“2017 Korea National Health and Nutrition Examination Survey data. A total of 10,772 subjects aged â‰¥19 y for which dietary data were available were selected. Data pertaining to energy and nutrient intakes were obtained by a 24-h recall method. Total fat and fatty acids intakes were evaluated based on the Acceptable Macronutrient Distribution Ranges (AMDR) of 2015 Dietary Reference Intakes for Koreans by sex and age groups. All statistical analyses accounted for the complex sampling design effect and sampling weights.
RESULTS
The mean intakes of energy and total fat were 1,952 kcal (95% CI: 1928â€“1977) and 46.1 g (45.2â€“47.1), respectively, and about 21% of the energy was obtained from fat in this study population (21.7% in men and 20.2% in women). The mean percentages of energy from saturated, monounsaturated, and polyunsaturated fatty acids were 6.4%, 6.7%, and 5.2%, respectively. About 18% of adults exceeded the AMDR for fat (30% of energy), whereas 37.6% exceeded the AMDR for saturated fatty acids (7% of energy). The proportions of subjects who consumed more than the AMDR for fat and saturated fatty acids decreased across age groups in both sexes. Among young adults (19â€“29 y), about 63% of the subjects obtained â‰¥7% of their energy from saturated fatty acids. About 61% of older adults obtained less than 15% of their energy from total fat.
CONCLUSIONS
Increased intake of fat energy was prominent in saturated fatty acids. Our findings suggest current information on total fat and fatty acids intakes in Korean adults and can be used to provide dietary guidelines for the improvement of public health.

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Hyunji Ham, Hanbin Ko, Sumin Kim, Youjeong Jang, Jong-Seok Byun, Yoonsuk Jekal, Insuk Chai, Kyungho Ha
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[English]
Food and Nutrient Intake Level by the Risk of Osteoporosis and Cardiovascular Disease in Postmenopausal Women: The use of the 5th Korean National Health and Nutrition Examination Surveys (2010–2011): Hyobin Kim, Heysook Kim, Oran Kwon, Heejung Park; Korean J Community Nutr 2019;24(2):152-162. Published online April 30, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.2.152

Abstract PDF

OBJECTIVES
The purpose of this study was to investigate the food, nutrient intake, and diet quality of postmenopausal women at high risk of osteoporosis (OP) and cardiovascular disease (CVD) compared with those of control subjects.
METHODS
A total of 1,131 post-menopausal women aged over 45 years, who took the 2010â€“2011 Korean National Health and Nutrition Examination Survey (KNHANES), were included for analysis. These participants were classified into the following groups: the OP group, with a risk of OP (n=135); the CVD group, with a risk of CVD (n=373); the OP+CVD group, with a risk of OP and CVD concurrently (n=218); and the control group (n=405) according to bone mineral density (BMD) and CVD risk. Anthropometric measurements, blood profiles, dietary intake, and dietary quality indices were measured and compared among the four groups.
RESULTS
Waist circumference, total body fat percentage, blood pressure, fasting plasma glucose, total cholesterol, triglyceride, and LDL-cholesterol were higher, and HDL-cholesterol and BMD were lower in the OP+CVD group than in the control group. In the food frequency questionnaire, the OP+CVD group had significantly higher frequencies of grain (except for multi-grain) and lower frequencies of fruit and dairy product. The frequency of consumption of red meat, processed meat, and carbonated beverages was higher in OP+CVD group. In nutrient density analysis, proteins and vitamin B2 levels were significantly lower in the OP+CVD group than in the control group. The nutritional quality index (INQ) values of calcium were in the order of 0.63, 0.58, 0.56, and 0.55 in each group, and it was urgent to improve the dietary intake for calcium in postmenopausal women. In addition, vitamin B2 was inadequately consumed by all groups.
CONCLUSIONS
These results suggest that it is necessary to increase the intake of vitamin B2 and calcium and decrease the frequency of intake of red meat, processed meat, and carbonated beverages in postmenopausal women with the risk of OP and CVD.

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Arterial stiffness index, physical activity and food and nutrient intake: cross-sectional study in adults aged 40 years and older
Eun-A Kim, Yun-Mi Kim, Eun-Kyung Kim
Korean Journal of Community Nutrition.2024; 29(2): 81. CrossRef
Comparison of the Nutrient Intake and Health Status of Elderly Koreans According to their BMI Status: Focus on the Underweight Elderly Population
You-Sin Lee, Yoonna Lee
Korean Journal of Community Nutrition.2022; 27(5): 422. CrossRef
Association between frailty and dietary intake amongst the Korean elderly: based on the 2018 Korean National Health and Nutrition Examination Survey
Suhyeon Yang, Won Jang, Yangha Kim
Journal of Nutrition and Health.2021; 54(6): 631. CrossRef
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Inhwan Lee, Jeonghyeon Kim, Hyunsik Kang
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[English]
Milk Intake Patterns with Lactose and Milk Fat in Korean Male Adults: Jung Hyun Kim, Min Sook Kyung, Sung Hee Min, Myung Hee Lee; Korean J Community Nutr 2018;23(6):488-495. Published online December 31, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.6.488

Abstract PDF

OBJECTIVES
This study examined the milk intake patterns with lactose and milk fat in Korean male adults using the following variables: milk intake level, awareness of lactose, and milk fat, health problems, and necessity of milk intake. In addition, the factors affecting milk intake were analyzed by multiple regression analysis.
METHODS
The subjects were 532 males aged 20 years or older among the nationwide milk purchasing group. The subjects were 223 (41.9%) in the 20â€“29 year age group, 188 (35.3%) in the 30â€“49 year age group and 121(22.7%) in the over 50 year age group. The survey was conducted using ANOVA and multiple comparative analysis to examine the differences in age and multiple regression analysis was performed to investigate the factors affecting the intake of milk.
RESULTS
The intake of milk in the subjects was 538.14 Â± 494.23 ml per week. There were statistically significant differences in the subjects' age according to processed milk, low fat, nonfat milk, cheese, and ice cream. The perception of milk and lactose and milk fat was recognized as a good food for skeletal health when milk was consumed. Among the milk nutrients, lactose was highly recognized at the age of 20â€“29, and milk fat was recognized in those over 50 years. In addition to lactose and milk fat, calcium was the most highly recognized among the milk nutrients. Health problems associated with milk were skeletal health, obesity, and lactose intolerance. The perception of lactose intolerance was related to lactose intolerance and fatness, and the dietary behavior was unaffected.
CONCLUSIONS
This study examined the milk intake patterns of adult Korean males. Many variables were found to be related to the intake of milk. In this study, the milk intake was high when there was no problem with the perception and dietary behaviors of milk nutrition (lactose and milk fat). This study focused on lactose and milk fat, which are major nutrients in milk, and it is a new perspective study among milk-related research.

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Association of milk and dairy product consumption with the incidence of cardio-cerebrovascular disease incidence in middle-aged and older Korean adults: a 16-year follow-up of the Korean Genome and Epidemiology Study
Yeseung Jeong, Kyung Won Lee, Hyekyeong Kim, Yuri Kim
Nutrition Research and Practice.2023; 17(6): 1225. CrossRef

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[English]
Effects of Nutrition Education and Exercise Program on Obesity Index and Behavioral Modification in Moderate Obese Women: Myung Hee Chang, Su Jin Jung; Korean J Community Nutr 2018;23(4):318-332. Published online August 31, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.4.318

Abstract PDF

OBJECTIVES
The purpose of this study was to investigate the behavioral modification of obese adults who underwent nutritional and physical activity education. Twenty obese females, aged 20â€“60 years old, with BMIs (Body Mass Index) >30 or body fat (%) >40 were subjected to this study.
METHODS
The physical activity education program consisted of doing exercise in a gymnasium together or home exercise. Dietary attitudes and dietary intakes were assessed using weight control, physical activity, and eating habits. The nutrition-exercise educational period was 12 weeks.
RESULTS
After the study period, there was significant improvement in physical activity and eating habits score. Furthermore, there was a significant increase in the dietary intakes of fiber, iron, potassium, vitamin A, vitamin B6, and niacin. Blood pressure, blood glucose, and total cholesterol levels showed a tendency to decrease, but there was no significant difference. BMI, fat mass, abdominal circumference, and visceral fat levels were significantly reduced while muscle mass significantly increased.
CONCLUSIONS
This study suggests that behavioral modification by nutrition and physical activity education with feedback has positive effects on dietary intake and anthropometric biomarkers in obese adults. Therefore, lifestyle interventions of this kind could be recommended as a method for obesity management.

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Effect of tele-nutrition education on weight loss, energy intake, and fat adequacy among obese adults in Banyumas, Central Java, Indonesia
Teguh Jati Prasetyo, Izzati Nur Khoiriani, Sifa Aulia Wicaksari, Gumintang Ratna Ramadhan, A. Khomsan, E. Palupi, S.P. Loh, N. Mohd Esa
BIO Web of Conferences.2025; 153: 02013. CrossRef
Influence of Comprehensive Lifestyle Intervention (LSI) Program on Health, Fatigue, and Quality of Life in Middle-Aged Women
Su-Jin Jung, Seung-Ok Lee, Min-Jun Choi, Jun Heo, Soo-Wan Chae, Baik-Hwan Cho
Journal of Lifestyle Medicine.2022; 12(3): 127. CrossRef
Effect of Nutrition Counseling by Nutrition Care Process on Diet Therapy Practice and Glycemic Control in Type 2 Diabetic Patients
Tae-Jeong Bae, Na-Eun Jeon, Soo-Kyong Choi, Jung-Sook Seo
Korean Journal of Community Nutrition.2020; 25(3): 214. CrossRef

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[English]
Perception of Use of Environment-friendly Agricultural Products during School Foodservice of Mothers of Elementary School Students in Gyeonggi: Young Un An, Myung Hee Kim, Mi Kyeong Choi, Mi Hyun Kim; Korean J Community Nutr 2018;23(3):234-242. Published online June 30, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.3.234

Abstract PDF

OBJECTIVES
This study was to investigate the perception of mothers of elementary school students regarding environment-friendly agricultural products in school foodservice.
METHODS
A total of 282 mothers whose children were receiving environment-friendly agricultural products during elementary school foodservice in Gyeonggi participated in this questionnaire survey. The survey was conducted to investigate respondents perception and satisfaction with environment-friendly agricultural products in their children's school meals from May 29 to June 9, 2017.
RESULTS
About 79% of the subjects were satisfied with school foodservice. The most important aspects of school foodservice were nutrition (35.8%) and sanitation (34.8%). Over 80% of the subjects were aware of environment-friendly agricultural products and about 54% of the subjects checked for a certification mark when purchasing environment-friendly agricultural products. Additionally, 72.3% of the subjects knew that environment-friendly agricultural products were used at school. The advantages of using environment-friendly agricultural products in school foodservice were safety (75.5%) and high food quality (16.3%). About 66% of the mothers knew the school was receiving support from the city or education office for using environment-friendly agricultural products. Additionally, 74.5% of the mothers responded that they are willing to pay for use of environment-friendly agricultural products when subsidies were not supported.
CONCLUSIONS
The positive perception and high support for use of environment-friendly agricultural products in school foodservice among elementary students' mothers can be used as basic data for expansion of the use of environment-friendly agricultural products in school foodservice.

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Shifting social perceptions of dietitians in Korea after the legislation of nutrition teachers: a keyword network analysis of unstructured data
Yunkyoung Oh, Eunsil Her
Korean Journal of Community Nutrition.2025; 30(3): 214. CrossRef
Recognition of Environmentally-friendly Agricultural Products for School Foodservice of Nutrition Teachers and Parents in 2018 at Seongnam in Gyeonggi province
Jisoo Kwon, Wookyoun Cho
Korean Journal of Community Nutrition.2019; 24(4): 290. CrossRef
When Agricultural Waste Transforms into an Environmentally Friendly Material: The Case of Green Concrete as Alternative to Natural Resources Depletion
Cătălina Mihaela Grădinaru, Adrian Alexandru Şerbănoiu, Danut Traian Babor, Gabriel Constantin Sârbu, Ioan Valentin Petrescu-Mag, Andrei Cristian Grădinaru
Journal of Agricultural and Environmental Ethics.2019; 32(1): 77. CrossRef
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Byeol Han, Ho Kim, Sung-Bum Yang
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Willingness-to-Pay on Increase of Usage for Environmental-friendly Agricultural Product in School Food Service
Sung-Bum Yang
Korean Journal of Organic Agricultue.2018; 26(4): 609. CrossRef

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[English]
Recognition and Propagation for Temple Food among University Students with Food-related Majors: In Joon Huh, Sim Yeol Lee; Korean J Community Nutr 2018;23(2):137-147. Published online April 30, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.2.137

Abstract PDF: OBJECTIVES
This study was conducted to investigate the perspective and popularization of temple food among university students with food related majors, and to provide basic data for the popularization and the fostering of professional lecture in temple food.
METHODS
A self-administered questionnaire was applied to 453 university students at six universities with food related majors. The questionnaire was designed to examine interest, recognition, consumption, popularization and curriculum of temple food.
RESULTS
The study population consisted of 19.2% men, and 80.8% women, and the most common response to desired career after graduation was food related employment (53.9%). Overall, 49.0% replied that they had an interest in temple food, which was relatively low. 59.9% of respondents who had been known throw TV, Internet, newspaper, and magazines about temple food were showed the highest results. Additionally, as for the perception of temple food, â€˜Prevention of lifestyle related diseaseâ€™ was the highest score (4.10). Overall, 64.9% of the subjects had not tried temple food, and 84.7% of these responded that this was because they had not encountered temple food. Among subjects who had tried temple food, most had encountered it at a temple (73.0%), and 78.0% replied that the taste of temple food was suitable. The intention to try temple food was 73.3%, and 64.8% of respondents said there was a necessity to establishment curriculum regarding temple food. Finally, interest, popularization, and intention to try temple food were significantly positively corelated.
CONCLUSIONS
The results showed high interest in temple food and willingness to participate in education regarding temple food, as well as awareness of the need for popularization. Therefore, it is necessary to increase intake opportunities to raise interest in temple foods. This can be accomplished utilizing publicity materials, as well as by offering opportunities for temple food education through curriculum.

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[English]
Relation between Beverage Consumption Pattern and Metabolic Syndrome among Healthy Korean Adults: Eun Ju Dennis, Minji Kang, Sung Nim Han; Korean J Community Nutr 2017;22(5):441-455. Published online October 31, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.5.441

Abstract PDF

OBJECTIVES
The purpose of this study is to describe beverage patterns among healthy Korean adults and investigate their association with prevalence and components of metabolic syndrome.
METHODS
Subjects consisted of 6,927 Korean adults, aged 19-64 years in the 6th Korea National Health and Nutrition Examination Survey (KNHANES, 2013-2015). Beverages were regrouped into twelve groups based on food codes and beverage intake (g/day) was assessed by 24-hour recall. Factor analysis was used to obtain beverage patterns. Waist circumference and body mass index (BMI) were used as anthropometric data; fasting blood glucose, triglyceride, high density lipoprotein (HDL), and blood pressure were used as biochemical indicators. The odds ratio (OR) for prevalence of metabolic syndrome and components of metabolic syndrome was assessed using logistic regression analysis.
RESULTS
Three beverage patterns were identified using factor analysis: 1) carbonated soft drinks 2) coffee (without added sugar or powdered creamer), and 3) alcoholic beverages. Subjects with high scores for the carbonated soft drink and coffee without added sugar or powdered creamer patterns were younger and subjects with high scores for the alcoholic beverage pattern were older. There were significant differences in gender distribution in all three beverage patterns, with men more likely to have high scores for carbonated soft drink and alcoholic beverage patterns. On the other hand, women were more likely to have higher scores for coffee without added sugar or powdered creamer pattern. Within each pattern, there were significant differences in sociodemographic and lifestyle characteristics such as education, household income, frequency of eating out, and smoking status according to the quartile of pattern scores. Alcoholic beverages and carbonated soft drinks patterns were associated with an increased levels of metabolic syndrome components, but coffee without added sugar or powdered creamer was not associated with any of metabolic syndrome components in healthy Korean adults after adjusting for age, sex, education, BMI, weight management, household income, smoking status, frequency of eating out, and energy intake.
CONCLUSIONS
Alcoholic beverages and carbonated soft drinks patterns are associated with increased levels of metabolic syndrome components while coffee without added sugar or powdered creamer pattern is not associated with any of metabolic syndrome components in healthy Korean adults.

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You-Sin Lee
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Calcium- and Sodium-Rich Food Intake among Koreans with and without Metabolic Syndrome: Cross-Sectional Analysis of the Korean Genome and Epidemiology Study
Byeonggeun Choi, Jiyoon Kim, Yeonjin Kim, Jiae Shin, Sang-Ah Lee
Nutrients.2024; 16(15): 2439. CrossRef
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Association between Sugar-Sweetened Beverage Intake and Dietary Quality using Nutritional Quotient among Adults in Daegu, Korea
Kilye Kim, Yeon-Kyung Lee
Korean Journal of Community Nutrition.2021; 26(5): 350. CrossRef
Association between Dietary Habits, Shift Work, and the Metabolic Syndrome: The Korea Nurses’ Health Study
Heeja Jung, Hyunju Dan, Yanghee Pang, Bohye Kim, Hyunseon Jeong, Jung Eun Lee, Oksoo Kim
International Journal of Environmental Research and Public Health.2020; 17(20): 7697. CrossRef
Exploring parenting variables associated with sweetness preferences and sweets intake of children
Taejung Woo, Kyung-Hea Lee
Nutrition Research and Practice.2019; 13(2): 169. CrossRef
Influence of beverage type and ingestion time on tooth corrosion
Jae-Deok Cheon, Eun-Ah Cho, Hyun-Bae Park, Yu-Jin Choi, Han-Ju Kim, Jung-Soo Lee, Eun-Jeong Bae
Korean Journal of Dental Materials.2018; 45(3): 169. CrossRef

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[English]
Study on Sugar Consumption of Adult Workers According to Smoking Status: Jung Yeon Yun, Boram Kim, Hee Sun Jeong, Nami Joo; Korean J Community Nutr 2017;22(3):228-237. Published online June 30, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.3.228

Abstract PDF

OBJECTIVES
The purpose of this study was to investigate the smoking status among adult workers, and current status of sugar intake.
METHODS
The survey included 500 men working in Gyeonggi-do from October to November in 2016. Questionnaire items covered their age, working status, smoking status, eating habits, eating behaviors, snack consumption status, habits and behaviors related to sugar intake. All data were analyzed by SPSS program (Ver. 23) and descriptive statistics was performed; a t-test, Ï‡Â² test, One-way ANOVA and Scheffe test were used for post-hoc test.
RESULTS
The study results showed that eating habits and behaviors of non-smokers were better than those of smokers. The frequency of daily snack consumption was the highest in smokers compared to and non-smokers. The smokers' favorite taste after smoking was â€˜Sweetâ€™. The average score of sugar-related nutrition knowledge was higher in non-smokers compared to smokers. Non-smokers had better recognition of â€˜sugar reductionâ€™, and smokers were more likely to eat sweet foods, respectively. On the other hand, non-smokers could observe that they were trying to control themselves for health reasons. According to the results of the study, non-smokers showed better eating habits and dietary habits and consumed less sugar. Also, it was found that non-smokers tried to drink more water than beverages and refrain from eating sweets to reduce their sugar intake. Further, the most of the bread, coffee and beverages were also consumed at a lower frequency by non-smokers compared to smokers.
CONCLUSIONS
This study results showed that smoking and sugar consumption were closely related. Therefore, adult workers should actively promote and learn so that they can maintain healthy and suitable dietary habits through reduction of sugar consumption.

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Factors affecting sugar intake in adults based on the social cognitive theory
Kilye Kim, Yeon-Kyung Lee
Journal of Nutrition and Health.2024; 57(1): 120. CrossRef
Diet habits of employees in higher education
Hajnalka Požar, Sanja Šumonja, Nataša Sekulić, Nataša Čamprag-Sabo, Valentin Puškaš
Sestrinska rec.2023; 26(86): 5. CrossRef
Study on Cardiopulmonary Function, Maximal Oxygen Uptake, and Obesity Index according to Smoking Status in Middle-Aged and Older Office Workers
Deok-Ju Kim
Osong Public Health and Research Perspectives.2018; 9(3): 95. CrossRef

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[English]
The Factors Influencing the Bone Mineral Density in Korean Adult Men : Based on Korea National Health and Nutrition Examination Survey 2010~2011 Data: Hye Sang Lee; Korean J Community Nutr 2017;22(2):136-144. Published online April 30, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.2.136

Abstract PDF

OBJECTIVES
The purpose of this study was to determine which factors influence the bone mineral density (BMD) of total femur (TF), femoral neck (FN) and lumbar spine (LS) of the adult men by analyzing nationally representative Korean survey data.
METHODS
This study was conducted based on the data of 1,770 men aged 19-64 years from the Fifth Korea National Health and Nutrition Examination Survey (KNHANES V), 2010~2011. The BMD was analyzed by various factors (general characteristics, anthropometric data, health habits, chronic diseases, nutrient intake status). SPSS statistics for complex samples was used to analyze the data.
RESULTS
We observed that the BMD decreased significantly with aging. The BMD in each of the second lowest quartile of waist circumference (in TF & FN) and body mass index (in TF & LS) was lower than the respective BMD in the highest quartile group. The BMD in FN was higher in the group who reported the weight training. The BMD in LS was lower in hypercholesterolemia group than in the normal group. The BMD in TF, FN and LS was lower in hypertriglyceridemia group and in diabetes group than in the normal group. The BMD in TF, FN and LS was higher in the group with < Estimated Average Requirement iron intake. But there was no evidence to suggest that the BMD was related with educational level, income level, smoking, alcohol intake, anemia and nutrient intake status (except for iron).
CONCLUSIONS
This study suggested that aging, waist circumference, body mass index, weight training, hypercholesterolemia, hypertriglycemia, diabetes were site-specifically associated with the BMD in TF, FN and LS in the adult men. These bone site-specific factors need to be considered for the prevention of osteoporosis.

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Significant association factors of bone mineral density in Taiwan adults
Tzyy-Ling Chuang, Mei-Hua Chuang, Chun-Hung Lin, Shih-Chin Chou, Yuh-Feng Wang
Tzu Chi Medical Journal.2020; 32(4): 367. CrossRef
Bone Mineral Density as a Predictor of Atherogenic Indexes of Cardiovascular Disease, Especially in Nonobese Adults
Tzyy-Ling Chuang, Jiunn-Wen Lin, Yuh-Feng Wang
Disease Markers.2019; 2019: 1. CrossRef
Developing Customized Phantom for Korean Bone Density Using 3D Printing
Junho Lee, Kwan-Yong Choi, Jae-Ho Choi
Journal of Radiological Science and Technology.2019; 42(3): 223. CrossRef

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[English]
A Study on Recognition, Preference and Popularization of Temple Food - Among Local and Foreign Restaurant Visitors: Yang Su Moon, Sim Yeol Lee; Korean J Community Nutr 2017;22(1):53-62. Published online February 28, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.1.53

Abstract PDF

OBJECTIVES
This study was conducted to identify factors that influence the consumption of temple food and to find systematic methods improving the popularization of temple food.
METHODS
A self-administered questionnaire was applied to 304 temple food restaurant visitors, including 232 local and 72 foreign individuals. The questionnaire was designed to investigate recognition, consumption, preference and popularization of temple food among restaurant visitors.
RESULTS
The study population consisted of 30.6% men, 69.4% women. 76.3% were Korean while 23.7% were foreigners. The responses on their impression on temple food contained the words, â€œvegetarianâ€ (4.64), â€œplain and familiarâ€ (4.19), and â€œgood for dietingâ€ (4.16). The most commont reason to favor temple food was its â€œmild tasteâ€ (63.0%) in the local group while foreigners preferred it because it is â€œgood for healthâ€ (35.8%). The preferred kind of side dish of the local group was roasted dish (4.40), stir-fried dish (4.39), blanched vegetables (4.36), and food boiled with sauce (4.23); foreigner's high preference was for stir-fried (4.67), Jangachi (4.63), food boiled with sauce (4.56), and Buggak (4.55).. Most respondents thought that it is necessary to maintain the traditional form of temple food. While 43.5 percent of Koreans responded that â€œthe five pungent vegetablesâ€ could be allowed, 62.8 percent of foreign respondents said it is permissible.
CONCLUSIONS
A systematic approach to improve the temple food that reflects both foreign and local preference while maintaining its originality is necessary for its globalization. Furthermore, restaurants specialized in temple food should be expanded and promoted through effective marketing strategies that would make the cuisine easily accessible and spread throughout the world.

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A Study on the Consumer Perception and Needs for Temple Food Meal Kits
Jin-A Kim, Sim-Yeol Lee
Journal of the East Asian Society of Dietary Life.2023; 33(6): 535. CrossRef
Sustainable and Religion Food Consumer Segmentation: Focusing on Korean Temple Food Restaurants
Junkyu Park, Mark A. Bonn, Meehee Cho
Sustainability.2020; 12(7): 3035. CrossRef
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In-Joon Huh, Sim-Yeol Lee
Korean Journal of Community Nutrition.2018; 23(2): 137. CrossRef

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[English]
Adulterated Food Management Characteristics according to Dietary Lifestyles among Adolescents: Yunhwa Kim; Korean J Community Nutr 2016;21(6):509-519. Published online December 31, 2016; DOI: https://doi.org/10.5720/kjcn.2016.21.6.509

Abstract PDF

OBJECTIVES
Adulterated food education in adolescence period is very important because dietary management related to food safety is not made in a short period. This study aimed to identify dietary lifestyle factors which drive adulterated food management among middle and high school students.
METHODS
Data was collected from 270 middle and high school students in Daegu using a self-administered questionnaire in March and April of 2015. Data was analyzed using frequency analysis, one-way analysis of variance, Ï‡Â²-test, factor analysis, reliability analysis, regression analysis, and cluster analysis.
RESULTS
The results of factor analysis indicated that adulterated food management awareness was classified into necessity, difficulty, and food purchasing anxiety. The adulterated food management capability was sub-grouped into environmental grasp, food identification, cooking hygiene, and situation management. The adulterated food management efficacy composed of management confidence, action intention, and knowledge. Dietary lifestyle comprised of gustation, family, and health factors after factor analysis, and it consisted of all seeking group, gustation seeking group, family seeking group, health seeking group, and family and health seeking group after cluster analysis. The gustation, family and health factors were significantly affected the factors of awareness, capability and efficacy of adulterated food management (p < 0.05). The frequency of health conditions, helping with meal preparation, and the times of eating out were significantly different according to seeking groups of dietary lifestyle (p < 0.01). The scores of awareness, capability and efficacy of adulterated food management of family and health seeking group were significantly higher than the other seeking groups (p < 0.05).
CONCLUSIONS
This study suggests that adulterated food management education programs should account for gustation, family and health factors of dietary lifestyle to be effective for adolescents.

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