Korean Journal of Community Nutrition

Research Articles

[Korean]
Factors associated with nutritional risk among disabled persons in the Republic of Korea: a cross-sectional study using 2020 Disability and Life Dynamics Panel: Seong-Ah Kim, Seul Ki Choi; Korean J Community Nutr 2025;30(5):364-375. Published online October 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00262

Abstract PDF: Objectives
Persons with disabilities face heightened nutritional risks due to barriers in dietary management, yet research remains limited. This study examined the nutritional health status and associated risk factors among disabled adults in Korea.
Methods
Data were drawn from the 2020 Disability and Life Dynamics Panel, a nationally representative survey of registered disabled Koreans aged ≥ 20 years. Nutritional health was assessed using the Nutrition Screening Initiative checklist and categorized as low, moderate, or high risk. Multivariate multinomial logistic regression was applied to identify predictors of nutritional risk.
Results
Among adults with disabilities aged 20–64 years, the prevalence of low, moderate, and high nutritional risk was 62.6%, 19.8%, and 17.5%, respectively. In the ≥ 65 years group, the distribution was 56.8% (low), 22.0% (moderate), and 21.2% (high). Moderate to high nutritional risk was most prevalent among individuals with facial deformity or internal organ disability (51.2%) in the 20–64 years group, and those with mental disabilities (61.7%) in the ≥ 65 years group. Significant predictors of high nutritional risk included living alone, lowest income quartile, chronic disease, depressive symptoms, and perceived underweight for both age groups. Compared with visual or speech impairments, facial deformity or internal organ disability (in the 20–64 years group) and physical disability (in the ≥ 65 years group) were significantly associated with moderate or high nutritional risk.
Conclusion
Nearly 40% of disabled Koreans are at nutritional risk. Tailored dietary interventions that address disability type, socioeconomic status, and health conditions are required to reduce disparities in nutritional health.

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[Korean]
Effects of primary caregivers’ food literacy, social support, food environment, and household income on the nutritional status of school-aged children: a cross-sectional study: Seyeon Park, Ji-Yun Hwang, Sohyun Park, Hyun Joo Ryou, Jieun Oh; Korean J Community Nutr 2025;30(5):352-363. Published online October 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00248

Abstract PDF: Objectives
The dietary habits of school-aged children play a critical role in their growth and development, and are strongly influenced by the home environment. Household income is closely associated with caregivers’ food literacy, social support, and food environment. This directly affects the nutritional status of children. This study aimed to provide evidence to inform policies and educational programs for improving dietary habits in children, and to establish a foundation for tailored support strategies for low-income families.
Methods
This cross-sectional study included 846 primary caregivers of school-aged children from 17 regions across Korea, recruited through an online survey. Household income, caregivers’ food literacy, social support, and food environment were assessed. Nutritional status in children was measured using the Nutrition Quotient for Children (NQ-C). Statistical analyses included descriptive statistics, chi-square tests, one-way analysis of variance (ANOVA), analysis of covariance (ANCOVA), correlation analyses, and multiple linear regression.
Results
Caregivers from higher income households demonstrated significantly greater food literacy and social support (P < 0.001). Children from these households showed high balance scores and a large proportion of these children were in the “high” NQ-C grade. The NQ-C score in children was positively correlated with food literacy (r = 0.425), social support (r = 0.471), and the food environment (r = 0.235) (P < 0.001). Multiple regression analysis showed that food literacy (β = 0.256) and social support (β = 0.348) were significant predictors of nutritional status in children.
Conclusion
This study confirmed that the nutritional status in children is not only determined solely by household income but is also mediated by caregivers’ food literacy, social support, and food environment. These findings highlighted the limitations of providing only economic support. The findings underscore the need for multifaceted interventions such as strengthening parental nutrition education, expanding social support networks, and improving access to healthy foods.

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[English]
Self-reported weight change and diet quality in relation to metabolic syndrome among Korean cancer survivors: a cross-sectional study using the Korea National Health and Nutrition Examination Survey 2019–2021: Hye Won Kim, Ji-Myung Kim; Korean J Community Nutr 2025;30(5):341-351. Published online October 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00241

Abstract PDF: Objectives
Using data from the 2019‒2021 Korea National Health and Nutrition Examination Survey, we examined the association between dietary quality and metabolic syndrome by self-reported weight change among adult Korean cancer survivors.
Methods
We analyzed 340 cancer survivors (≥ 5 years post-diagnosis) by one-year weight change (stable, loss, and gain). Dietary quality was assessed using the Korean Healthy Eating Index (KHEI), and metabolic syndrome was defined according to standard criteria. Relative risks (RR) were estimated using a modified Poisson regression.
Results
The weight loss group was older than the weight gain group (P < 0.001). Females were more prevalent in the loss and gain than in the maintenance group (P = 0.008). Hypertension prevalence was highest in the loss and lowest in the gain group (P = 0.028); other risk factors were similar. The gain group had the highest body mass index (P = 0.011). KHEI scores were highest in the maintenance (66.59 ± 0.76) and lowest in the gain group (60.42 ± 1.77; P = 0.006), with significantly lower whole grain (P = 0.036) and fruit intake (P = 0.014). Compared with the maintenance group, the gain group demonstrated higher risks of metabolic syndrome (RR: 2.07, 95% confidence interval [CI]: 1.40–3.06; P < 0.001), abdominal obesity (RR: 1.93, 95% CI: 1.36–2.74; P < 0.001), and impaired fasting glucose (RR: 1.70, 95% CI: 1.23–2.34; P < 0.01). Within the gain group, participants in the lowest KHEI quartile had increased risks of metabolic syndrome (RR: 2.81, 95% CI: 1.06–7.43; P < 0.05) and hypertriglyceridemia (RR: 7.29, 95% CI: 1.54–34.61; P < 0.05).
Conclusion
Accordingly, weight change and dietary quality may critically affect the metabolic health of cancer survivors. Lifestyle management, including weight control and tailored diets, may help prevent metabolic disorders and support long-term health.

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[Korean]
A study on the development of nutrition counseling manual and curriculum for the disabled in Korea: a mixed-methods study: Kyoung-Min Lee, Woo-jeong Kim, So-young Kim, Young-mi Park, Hwa-young Yoon, Min-Sun Jeon; Korean J Community Nutr 2025;30(5):376-388. Published online October 31, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00192

Abstract PDF: Objectives
Individuals with disabilities require targeted interventions to ameliorate disability-related conditions and improve overall health status. Nutritional challenges and counseling needs vary according to the type of disability, necessitating comprehensive assessments of dietary habits, physical activity, and food intake. Compared to traditional education, nutrition counseling offers a more sustainable and environmentally adaptable approach that effectively addresses individualized nutritional issues. Therefore, this study aimed to develop and evaluate a practical nutrition counseling manual and meal guidelines for people with disabilities in Korea, addressing their diverse dietary needs and improving nutritional care in social welfare facilities.
Methods
A four-stage integrated research design was employed. Stage 1 involved qualitative research through in-depth interviews with 11 facility staff. In Stage 2, a nationwide survey (n = 249) was conducted based on the results of the interviews. Stage 3 integrated both qualitative and quantitative findings. Stage 4 focused on developing and evaluating a nutrition counseling manual and five types of meal guidelines through feedback from 26 nutritionists at 24 Korean Centers for Social Welfare Foodservice Management.
Results
Six major nutrition counseling topics were identified: healthy eating, managing salt and sugar intake, dysphagia diet, appropriate intake, and hygiene. The manual and guidelines demonstrated high field usability, with average satisfaction scores of 3.98 and 3.99, respectively.
Conclusion
The integrated study resulted in the development of a specialized nutrition counseling manual and handbook for individuals with disabilities in Korean social welfare facilities. The materials were revised and improved based on practical evaluations by dietitians, enhancing their field applicability. These tools are expected to contribute to better dietary management and health promotion among facility residents. The developed materials reflect the real-world needs of people with disabilities and offer practical tools for effective nutrition counseling and dietary management in institutional settings.

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[Korean]
A study on the diet and nutrition management status and educational needs in elderly care facilities in Korea: focus group interviews with staff from children’s and social welfare meal management support centers and elderly care facilities: Seo Young Choi, Hyun joo Ryou, Jieun Oh; Korean J Community Nutr 2025;30(4):286-295. Published online August 29, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00143

Abstract PDF: Objectives
In this study, we identified the current status of meal and nutritional management in elderly care facilities and analyzed the educational needs of employees, with the goal of proposing effective support strategies for nutritional management and to suggest directions for developing customized educational content.
Methods
Between May and June 2024, we conducted nine focus group interviews with 22 participants recruited from 10 cities across four major regions of Korea, including 13 employees of children and social welfare meal management support centers and nine employees of elderly care facilities.
Results
Our findings revealed that supporting algorithm-based dietary planning, improving communication with caregivers, and providing flexible, practical education tailored to facility conditions, are key elements for enhancing nutritional management in elderly care facilities. To facilitate the translation of these insights into practice, it will be necessary to strengthen collaboration between centers and facilities, combined with efforts to improve the operational environment for applying the algorithm and providing continuous educational support.
Conclusion
The findings of this study emphasize the importance of on-site education and sustainable support strategies based on the diet and nutritional management status and education needs of elderly care facilities. Strengthening practical education, communication systems, and center–facility collaboration is required, and future research needs to verify the efficacy of these measures and define a sustainable support system based on quantitative analysis.

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[English]
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; Korean J Community Nutr 2025;30(3):183-196. Published online June 30, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00073

Abstract PDF: Objectives
This study aimed to evaluate the impact of a 4-week multicomponent intervention combining flash continuous glucose monitoring (flash-CGM), group nutrition education, and personalized nutrition coaching on dietary self-efficacy (DSE) and weight management in healthy university students.
Methods
A total of 27 university students participated in a pre-post intervention study. The intervention included a single 4-hour group-based nutrition education session, flash-CGM usage (FreeStyle Libre; Abbott Diabetes Care), and weekly one-on-one nutrition coaching. Participants wore the CGM device for 28 days (replaced after 14 days), and were guided in using the FoodLens app (DoingLab) for dietary tracking and a mobile app-linked digital scale for weight monitoring. Outcomes measured before and after the intervention included DSE, body mass index (BMI), nutrition quotient (NQ) and glycemic indicators. Statistical analyses included Wilcoxon signed-rank and Mann-Whitney U-tests with significance set at P < 0.05.
Results
There was a significant increase in DSE (P < 0.05), particularly in managing eating behavior under stress and fatigue. A modest but significant decrease in BMI was observed in the overall group (P < 0.05), though changes were not significant in the BMI ≥ 23 kg/m2 subgroup. Glycemic indicators showed minimal changes. The overall NQ score improved slightly, with significant increases in fruit intake (P < 0.01) and nutrition label checks (P < 0.05). High satisfaction levels (4.52 ± 0.65 on a 5‑point scale) were reported for device usability and coaching services.
Conclusion
The multicomponent intervention improved DSE, NQ scores, and supported modest weight reduction among university students. The combined effect of CGM, nutrition education, and coaching appears promising; however, further studies are needed to isolate the effects of each component and evaluate long-term outcomes. Trial Registration: Clinical Research Information Service Identifier: KCT0010255.

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[Korean]
Development and applicability evaluation of a nutrition education program for residents and users of disability social welfare facilities in Korea: a mixed-methods study: Jin-kyung Kim, Kyoung-min Lee, Min-sun Jeon; Korean J Community Nutr 2025;30(1):64-74. Published online February 28, 2025; DOI: https://doi.org/10.5720/kjcn.2025.00017

Abstract PDF

Objectives
This study aimed to develop a nutrition education program based on social cognitive theory to promote the health of individuals using facilities for people with disabilities. It also sought to evaluate the applicability of the educational materials through assessments by counselors at the Social Welfare Food Service Management Support Center.
Methods
A group of six experts developed the program based on a needs assessment of nutrition education in facilities for individuals with disabilities. Applicability was evaluated through an online survey of 26 counselors from Social Welfare Food Service Management Support Centers nationwide in July 2023, and the results were analyzed.
Results
The nutrition education program includes a basic course on personal hygiene, dining etiquette, picky eating prevention, and obesity management. The advanced course covers dietary management for chronic diseases, such as meal planning for hypertension, diabetes management, and dietary principles for dysphagia. Additionally, lecture PPTs, individual activity sheets, and experiential teaching aids were developed. Applicability evaluations showed high scores, with the teaching-learning plan and PPT averaging 4.15 and the experiential teaching aids scoring 4.17, all above 4.0.
Conclusion
This study developed a nutrition education program for individuals with disabilities and assessed its applicability and usability. Implementing this program in disability welfare institutions could enhance health promotion and improve the quality of life for individuals with disabilities.

Citations

Citations to this article as recorded by

Development of a standard nutrition management model algorithm for personalized care in social welfare facilities for the disabled
Su-Jin Lee, Ji-Won Kang, Sil Ah Kim, Kirang Kim, Sohyun Park, Jieun Oh, Hyunjoo Ryou, Ji-Yun Hwang
Journal of Nutrition and Health.2025; 58(5): 498. CrossRef

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1 Crossref

[English]
Nutrition quotient for preschoolers and key impacting factors in Korea: a cross-sectional study on food literacy, social support, and the food environment of primary caregivers: Danbi Gwon, Ji-Yun Hwang, Jieun Oh; Korean J Community Nutr 2025;30(1):16-26. Published online February 28, 2025; DOI: https://doi.org/10.5720/kjcn.2024.00311

Abstract PDF: Objectives
This study evaluated the nutrition quotient for preschoolers (NQ-P) and analyzed the impact of key factors, such as caregivers’ food literacy, social support, and food environment, on the eating habits of preschool children in Korea. This study also sought to provide foundational data for developing tailored nutrition education programs by identifying the nutrition education needs of caregivers.
Methods
This study was conducted among caregivers of preschool children (aged 0–6 years) using an online self-administered survey conducted from August 22 to August 28, 2023. A total of 1,116 survey responses were analyzed. This study assessed children’s NQ-P score, caregivers’ food literacy, social support, food environment, and nutritional education needs. Data were analyzed using SPSS 29.0 (IBM Co.).
Results
The average NQ-P score for preschool children was 52, showing a tendency for the balance score to decrease and the moderation score to increase with age. Children from rural and low-income areas exhibited significantly lower NQ-P scores. Caregivers’ food literacy was higher in urban and higher-income groups. Multiple regression analysis revealed that social support, food literacy, income, and food environment significantly affected children's NQ-P scores. The effectiveness of nutrition education varied based on the income level, with nutrition education on healthy eating being the most preferred topic for preschool children.
Conclusion
This study confirmed that caregivers’ food literacy and social support significantly affected preschool children’s nutritional status. This suggests a need for tailored nutritional education and dietary support policies, particularly for low-income and rural populations.

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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

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[Korean]
Development and application of a dietary program to reduce sugar intake using a living lab approach in Korea: an intervention study: Jung-Hyun Kim, Min Sook Kyung, Seul Ki Choi; Korean J Community Nutr 2024;29(6):504-513. Published online December 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00318

Abstract PDF: Objectives
This study aimed to develop and apply a dietary program to reduce sugar intake among community residents using a Living Lab approach.
Methods
We developed and applied a community-based dietary program to reduce sugar intake. Participants were recruited from community organizations, including a children’s food service management center, elementary to high schools, a university, a family center, a community health center, and an elderly welfare center. The dietary program was conducted in two phases; start and next levels. The start level included a pre-assessment of dietary behaviors and participation in educational platforms, whereas the next level included activities using educational platforms, tailored mission and feedback, and pre- and post-surveys. Extension educators at each community organization implemented the dietary program following organization-specific guidelines. Changes in participants’ nutrition knowledge, dietary behaviors and perceptions, self-efficacy, intention to reduce sugar intake, and participants’ program satisfaction were analyzed using paired t-tests.
Results
In total, 1,238 and 339 individuals participated in the start and next level, respectively. Participants reported significantly lower scores on dietary behavior items regarding drinking more juice or soft drinks after program participation (P = 0.009) and craving sweet foods (P = 0.046). They reported a higher intention to take interest in sugar content in food (P = 0.009) and lower-sugar recipes (P = 0.019), eat less food with high sugar content (P = 0.020), and drink water or sparkling water instead of soft drinks (P = 0.042). Nutrition knowledge did not significantly change after program participation. Program satisfaction significantly increased from the start level to the next level (P<0.050).
Conclusion
This study showed the potential of using a Living Lab approach to implement community-wide dietary interventions. Further research is required to evaluate the effectiveness of the Living Lab approach in various community settings.

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[Korean]
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 J Community Nutr 2024;29(6):528-540. Published online December 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00304

Abstract PDF

Objectives
This study aimed to examine health-related characteristics and chronic disease risk in middle-aged Koreans based on their fat energy intake ratio.
Methods
We analyzed data from 7,274 Koreans aged 40–64 years using the 7th (2016–2018) Koreans National Health and Nutrition Examination Survey. Participants were classified into three groups based on their fat energy intake ratio: insufficient (< 15%), adequate (15%–30%), and excessive (> 30%). We assessed their socio-demographic characteristics; lifestyle characteristics; biochemical characteristics; quantitative and qualitative nutrient intakes, measured using dietary reference intakes for Koreans and index of nutrition quality (INQ); and chronic disease risk.
Results
Significant differences were observed between the groups in age, gender, income, education, and residence region. The insufficient group had the highest proportion of older adults, male, lower income, rural residents, and lower education levels. The groups differed significantly in lifestyle characteristics, with the insufficient group having the highest rates of no walking, heavy drinking, smoking, and poor subjective health perception. Biochemical characteristics in the insufficient group exhibited the lowest levels for fasting blood glucose, hemoglobin A1c, and triglycerides. Significant differences were found in both the quantitative and qualitative intake of nutrients. The insufficient group had the lowest intake of most nutrients except fiber, whereas the excessive group had the lowest fiber intake. Based on the INQ, vitamin A and Ca were the lowest in the insufficient group, and vitamin C and folic acid were the lowest in the excessive group. The risk of diabetes mellitus and metabolic syndrome was highest in the deficient group, and the risk of liver cirrhosis was highest in the excessive group.
Conclusion
Insufficient or excessive fat energy intake ratio negatively affects nutrient intake and chronic disease risk. Fat energy intake of 15%–30% is important for improving nutrient intake and managing chronic diseases, such as diabetes mellitus, metabolic syndrome, and liver cirrhosis. We suggest that education and an appropriate social environment are necessary to ensure this fat energy intake.

Citations

Citations to this article as recorded by

Study on the Optimization of Manufacturing Conditions for Traditional Potato Bugak Using Response Surface Methodology
Yu Hyeon Jo, Jeong Ok Rho
Journal of the East Asian Society of Dietary Life.2025; 35(1): 60. CrossRef
Nutritional risk assessment using estimated usual nutrient intake in Korean adults: analysis of the 8th (2019–2021) Korea National Health and Nutrition Examination Survey data
Woojin Byeon, Cho-il Kim, Sung Ok Kwon, Jihyun Yoon, Linxi Huang
Nutrition Research and Practice.2025; 19(5): 799. CrossRef

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2 Crossref

[English]
Nutritional content and healthiness in sweet and salty snacks and beverages popular in South Korea and the United States assessed by nutrition labels: a cross-sectional comparative study: Bo Jeong Gong, Segovia Lucas, Diewo Camara, Pauline E. Jolly, Chandrika Piyathilake, Taisun Hyun; Korean J Community Nutr 2024;29(6):467-479. Published online December 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00290

Abstract PDF: Objectives
This study investigated the nutritional differences between sweet and salty snacks and beverages in South Korea (Korea) and the United States (US). Nutritional content and healthiness were determined using back- and front-of-package nutrition labeling (FoPNL) systems.
Methods
Three snack and three beverage categories popular in Korea and the US were selected. Statistical data were used to determine the top 10–15 best-selling products in each category in each country. The selected products included chips (n = 15), cookies (n = 10), chocolate (n = 13), carbonated drinks (n = 10), fruit juices/drinks (n = 10, 5/5), and energy drinks (n = 10). The study excluded products that were artificially sweetened. Nutritional information and percentages of fruit and vegetable content in each product were collected from brand websites and grocery stores in each country. The FoPNL system was used to assess the healthiness of the products, which included multiple traffic light labels, a Health Star Rating, and a Nutri-Score.
Results
Overall, Korean snacks contained significantly more protein, total fat, saturated fat, and cholesterol than US snacks. However, the US chips and carbonated drinks contained more sodium, while the US energy drinks contained more caffeine than Korean products. The serving size of US carbonated drinks was significantly larger than that of Korean drinks, whereas the serving size of US chips was smaller than that of Korean products. The FoPNL system classified the majority of products as ‘less healthy.’
Conclusion
Our results suggest that Korean and US food manufacturers should improve the nutritional quality and/or serving size of commonly consumed food products. Policymakers in both countries should work to improve the presentation of ingredient and nutrient information on nutritional labels to assist consumers in making healthier food choices.

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Research Note

[English]
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 J Community Nutr 2024;29(6):455-466. Published online December 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00248

Abstract PDF: Objectives
A campus-based intervention to enhance food literacy (FL) and establish exercise habits among college students was developed and the program’s effectiveness was evaluated.
Methods
The 13-session program was developed based on the transtheoretical model and social cognitive theory. Junior and senior students majoring in food and nutrition and physical education were asked to participate as mentors, with freshmen and sophomores from varied majors as mentees. The program encompassed food, nutrition, and exercise lessons including cooking sessions. Data were collected via pre- and post-program surveys using a questionnaire consisting of items on FL and nutrition behaviors and physical fitness measurements.
Results
Among 39 participants (35.9% male, 64.1% female), the overall FL score increased significantly from 64.1 to 70.6 post-program (P = 0.001). Significant increases were observed in the nutrition and safety (P < 0.001), cultural and relational (P = 0.023), and socio-ecological (P = 0.001) domains, as well as knowledge (P = 0.001), self-efficacy (P = 0.013), attitude (P < 0.001), and behavior (P = 0.005) items in three domains of FL. Additionally, meal duration increased significantly (P = 0.007) and sit-up performance among female showed a meaningful change (P = 0.046). Changes in dietary behaviors significantly progressed (P = 0.015) while that in exercise habits approached a marginal significance (P = 0.053) after the intervention.
Conclusion
The results reveal positive changes in FL and some modifications in eating habits, although the program had limited effects on physical activity and fitness measurements. These findings suggest that strategic approaches to foster exercise behavior changes in college students are required. This pilot program can serve as foundational data for improving and expanding multicomponent health promotion programs for this population.

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Research Articles

[English]
Trends in growth and nutritional status of Korean toddlers and preschoolers: a cross-sectional study using 2010–2021 Korea National Health and Nutrition Examination Survey data: Annisa Turridha, Jae Eun Shim; Korean J Community Nutr 2024;29(6):480-491. Published online December 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00241

Abstract PDF: Objectives
We aimed to analyze trends in growth and nutrient intake patterns in Korean toddlers and preschoolers and generate data for international comparisons of early childhood growth status.
Methods
Overall, 3,661 children aged 1–4 years were included. This study used the data from the 5th–8th Korea National Health and Nutrition Examination Survey. The weight-for-height, height-for-age, weight-for-age, and body mass index-for-age z-scores of the participants were calculated using the World Health Organization 2006 child growth z-score reference cutoff points. The 24-hour recall method was used to determine dietary intake, which was assessed according to the Dietary Reference Intake for Koreans. All statistical analyses were conducted and weighted according to a complex sample design.
Results
Most Korean toddlers and preschoolers demonstrated normal growth, with an increasing trend noted over the survey period. Concurrently, the prevalence of overweight decreased. The mean intake of energy from fat exhibited an upward trend, paralleling that of protein and fat. Conversely, the intake of several essential micronutrients declined. The prevalence of nutritional inadequacy showed significant variation throughout the survey period; the proportion of inadequacy in carbohydrate intake decreased, whereas those of iron, vitamin A, thiamin, niacin, and vitamin C increased.
Conclusion
South Korea is making significant progress in supporting toddlers and preschoolers, as evidenced by consistent increases in the proportion of children with normal growth and decreases in the prevalence of malnutrition. Future research should focus on exploring dietary patterns and analyzing specific food groups that are essential for promoting optimal growth and nutritional status in children.

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[English]
Factors associated with malnutrition in demented and non-demented elderly residing in the community of Korea: a cross-sectional descriptive and analytical study: Jinhee Kwon, Jung Hee Kim, Hyeonjin Jeong, Jung Suk Lee; Korean J Community Nutr 2024;29(5):359-371. Published online October 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00013

Abstract PDF: Objectives
This study aimed to investigate and compare factors associated with malnutrition according to the presence or absence of dementia in community-dwelling elderly people.
Methods
Needs assessment data from 311 long-term care insurance (LTCI) recipients (dementia group 203; non-dementia group 108) that participated in the second pilot program of the integrated care model in community care settings under the Korean LTCI system were used. Descriptive statistical analysis, independent t-test, and analysis of variance were conducted on the sociodemographic characteristics, health and functional status, and nutritional status of the dementia and non-dementia groups. Logistic regression analysis was conducted to identify factors associated with malnutrition in the dementia and non-dementia groups.
Results
Malnutrition occurred in 33.5% and 26.9% of participants in the dementia and non-dementia groups, respectively. In the dementia group, living with family rather than living alone (odds ratio [OR]: 3.81; 95% confidence interval [CI]: 1.50–9.66; P = 0.031), increase in Korean Activities of Daily Living (K-ADL) score (OR: 1.35; 95% CI: 1.17–1.55; P < 0.001), and increase in the Neuropsychiatric Inventory-Questionnaire score (OR: 1.02; 95% CI: 1.01–1.03; P = 0.005) were associated with a higher risk of malnutrition. In the non-dementia group, the risk of malnutrition increased as the K-ADL score increased (OR: 1.20; 95% CI: 1.04–1.39; P = 0.011) and in the depressed group (OR: 2.84; 95% CI: 1.04–7.74; P = 0.042).
Conclusions
The study results confirmed the necessity of nutritional management for community-dwelling LTCI recipients. When developing a nutritional management program, considering the differences in factors related to malnutrition between the dementia and non-dementia groups is important. This study proposes policies for improving the LTCI system in terms of nutritional management and the utilization of community resources.

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[Korean]
Food purchase patterns, food policy recognition, and food environment satisfaction among adults in Jeju, Korea, according to food security: a cross-sectional study: Sumin Kim, Youjeong Jang, Hyunji Ham, Hanbin Ko, Insuk Chai, Kyungho Ha; Korean J Community Nutr 2024;29(5):406-417. Published online October 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00012

Abstract PDF Supplementary Material: Objectives
Recently, food insecurity has been a major public health issue along with the food crisis caused by COVID-19, climate change, and the polarization of food supply due to socioeconomic disparities. Food insecurity is known to be related to the food choices and environment of the consumer. Therefore, this study aimed to evaluate the food security statuses of adults in Jeju and investigate their food purchase patterns, food policy recognition, and food environment satisfaction.
Methods
Based on data from the 2022 Jeju Food Survey, 346 adults aged ≥19 years in Jeju were classified into food security and insecurity groups (quantitatively and qualitatively) using the questionnaire. Food purchase patterns, including purchasing frequency, items, and reasons, were surveyed for local and eco-friendly foods. The recognition and necessity of several food policies and satisfaction with diet and food environment (availability, accessibility, affordability, accommodation, and acceptability) were measured using the Likert scale.
Results
Among the total participants, 47.4% were in the food insecurity group. The frequency of purchasing local and eco-friendly foods did not significantly differ by food security status. The insecurity group exhibited a higher recognition rate of basic rights to food (36.0%) than the security group (24.7%, P = 0.023). The recognition and necessity of specific food policies did not significantly differ by food security status, except for the policy of promoting food communities, for which the food security group exhibited higher recognition than the food insecurity group did (P = 0.004). The food insecurity group exhibited significantly lower scores regarding satisfaction toward diet and food environment factors (P < 0.05 for all).
Conclusions
Overall, the food security group reported higher satisfaction with their diet and food environment than the food insecurity group. Further in-depth studies to investigate the determinants of food insecurity and effective promotional strategies for food policies are needed.

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[Korean]
The needs and prioritization of nutrition and dietary support for individuals with disabilities: an exploratory study: Jong Eun Park, Yu Jin Kim, So Young Kim, Jong Hyock Park; Korean J Community Nutr 2024;29(5):431-443. Published online October 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00009

Abstract PDF

Objectives
Based on a survey of officers, social workers, and dietitians involved in managing nutrition and welfare policies or projects for vulnerable groups in local governments or private welfare institutions, this study aimed to assess the need for nutritional and dietary support policies and programs for persons with disabilities (PWD), as well as to identify appropriate support measures. Methods: An online survey was conducted from March 2 to 15, 2021. The survey included 20 questions exploring perspectives on the nutritional status of PWD, their need for nutritional and dietary support policies and programs, and the prioritization of appropriate support measures. A total of 132 responses were analyzed. Results: Approximately 68.9% of the respondents rated the nutritional status of PWD as “bad” or “very bad.” A substantial number identified “difficulty in purchasing ingredients, cooking, and preparing meals independently due to disability,” and “limited knowledge about nutrition and recipes necessary for maintaining a healthy and balanced diet” as the primary challenges in the dietary and nutritional management of this population. Additionally, 97.0% of the respondents deemed that the introduction of nutritional and dietary support policies and programs for PWD was “needed” or “very much needed.” Priority strategies to implement and strengthen these policies and systems included the “development of customized programs and services tailored to the needs and demands of the target population” and the “establishment of a dedicated department with specialized personnel.” Conclusion: Comprehensive nutritional and dietary support policies and programs should be actively implemented to ensure a healthy and stable diet for PWD, tailored to meet their actual needs and demands.

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Development of a standard nutrition management model algorithm for personalized care in social welfare facilities for the disabled
Su-Jin Lee, Ji-Won Kang, Sil Ah Kim, Kirang Kim, Sohyun Park, Jieun Oh, Hyunjoo Ryou, Ji-Yun Hwang
Journal of Nutrition and Health.2025; 58(5): 498. CrossRef
Factors associated with nutritional risk among disabled persons in the Republic of Korea: a cross-sectional study using 2020 Disability and Life Dynamics Panel
Seong-Ah Kim, Seul Ki Choi
Korean Journal of Community Nutrition.2025; 30(5): 364. CrossRef

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[Korean]
An educational needs analysis of sustainable dietary education for nutrition teachers: an application of the IPA, Borich needs assessment and The locus for focus model: Eunseo Yang, Borham Yoon; Korean J Community Nutr 2024;29(5):372-381. Published online October 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00008

Abstract PDF

Objectives
This study aimed to investigate the importance and performance levels of sustainable dietary education across the health, environment, and society domains as perceived by nutrition teachers and evaluate the needs and priorities for sustainable dietary education.
Methods
An online survey was conducted for 151 nutrition teachers in Jeollanam-do. The survey included 20 questions across the health, environment, and society domains. The data were analyzed using a paired-sample t-test, the importance-performance analysis (IPA), the Borich needs assessment model, and the locus for focus model.
Results
Overall, the average importance levels of the 20 items of sustainable dietary education were significantly higher than their average performance levels (4.44 vs. 3.68). The examination of each educational domain revealed that although the importance of education in the health domain was recognized and actively practiced by the nutrition teachers, the performance was comparatively lower in the environment and society domains. The Borich needs assessment and the locus for focus model identified education on biodiversity conservation, plant-based protein, and the use of local food as the top-priority group in the environment domain along with fair and ethical food, food security, regional food culture, food policy and trade, and family dining culture as the second-priority group in the society domain.
Conclusions
The results of this study underscore the need to support the nutrition teachers’ perception and practice of sustainable dietary education in the environment and society domains. We believe that the educational needs and priorities proposed in this study will be considered in the future development and modification of sustainable dietary education programs.

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Analysis of pork consumption attribute factors by consumer lifestyle in Korea: a cross-sectional study
Jounghee Lee, Juhyun Lee, Wookyoung Kim
Korean Journal of Community Nutrition.2025; 30(1): 75. CrossRef
An Exploratory Study on the Necessity and Promoting Strategies for School-Based Dietary Education: Focus Group Interviews with Home Economics Teachers
Seung Jae Lee, Ji Eun Oh, Kyung Won Lee
Human Ecology Research.2025; 63(1): 41. CrossRef
Analysis of students’ need for artificial intelligence content in the ｢Digital education｣ subject
SungAe Kim, Ji Won You
The Journal of Korean Association of Computer Education.2025; 28(7): 71. CrossRef
Safety education status and needs priorities of Korean military food service personnel using the Borich Needs Assessment and the Locus for Focus model: a cross-sectional study
Jeongeun Park, Eunsil Her
Korean Journal of Community Nutrition.2025; 30(4): 261. CrossRef

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[Korean]
Nutritional status of North Koreans and related perceptions among South Korean adults: Youngmin Nam, Jihyun Yoon; Korean J Community Nutr 2024;29(4):288-303. Published online August 31, 2024; DOI: https://doi.org/10.5720/kjcn.2024.00006

Abstract PDF: Objectives
North Koreans have been facing chronic food shortages and malnutrition. This study examined the nutritional status of North Koreans and the perceptions of South Korean adults regarding their nutritional status.
Methods
The nutritional status was examined using nutritional indicators for the general population, children, and reproductive-aged women in North Korea. An online survey was conducted among 1,000 South Korean adults aged 19–69 years to investigate their perceptions regarding the nutritional status of North Koreans.
Results
Although the nutritional status of children in North Korea has consistently improved, significant progress in the general population and reproductive-aged women in the country remains elusive. The prevalence of malnutrition among North Korean children has decreased to a level that is not considered severe based on international standards, although it shows a substantial difference from that among South Korean children. The prevalence of undernourishment and food insecurity in North Korea remains over 40%. South Korean adults perceive the nutritional status of North Koreans as being more severe than it is in reality. Notably, a significant inconsistency exists between the perceived and actual nutritional status of North Korean children, with over 95% of South Korean adults perceiving North Korean children’s malnutrition as being more severe than it actually is. Moreover, South Korean adults in their 20s to 40s tended to perceive the nutritional status of North Koreans as being more severe than those in their 50s to 60s did.
Conclusions
The nutritional status of North Koreans is a matter of concern. The disparity between South Koreans’ perceptions of the nutritional status of North Koreans and the actual status highlights the need for accurate information dissemination to effectively address malnutrition in North Korea. These efforts could be instrumental in enhancing public awareness and fostering social consensus on food aid and nutritional support programs for North Korea.

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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]
Developing educational videos to inform rightly about school foodservice from kindergarten to high school: a case study: Gyoungok Gang, Chaewon Park, Haejin Kang, Wan Soo Hong, Yoo Kyoung Park, Sook Hee Choi, Seung Hye Kim, Jieun Choi, Jihyun Park, Hyeja Chang; Korean J Community Nutr 2024;29(2):97-113. Published online April 24, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.2.97

Abstract PDF: Objectives
Since the enactment of the School Nutrition Act in 1981, school lunch programs in South Korea have grown quantitatively and qualitatively with a current student participation rate of 99.8%. Nonetheless, educational materials are needed to reduce misunderstanding and ignorance about school lunch programs. This study aimed to develop 3 educational videos that help students of various ages (kindergarteners/lower-grade elementary, upper-grade elementary, and secondary school, respectively), understand the school lunch program.
Methods
A scenario was created, was made, and the opinions on the scenario from experts in foodservice sectors were collected. A survey was conducted to students and parents to determine topics they wanted to know about school foodservice. The final videos were produced using this information and the expert opinions. The data were analyzed using SPSS 27.0 for Mac (IBM Corp., Armonk, NY, USA); a P-value of < 0.05 was considered significant.
Results
Three videos on school foodservice were developed for various age levels of students: kindergarten/lower-grade elementary, upper-grade elementary, and secondary school. Additionally, English subtitles were included for the multicultural student population. These videos, each lasting about 7 minutes, cover topics such as nutrition, hygiene, and the cultural significance of the school lunch program. The survey results showed that parents and students wanted to know the following topics about the school lunch program: “nutritionally balanced diet” (11.9%), “purchasing safe food ingredients” (10.9%), and “healthy eating habits” (9.9%).
Conclusions
The developed videos will serve as valuable educational resources on school foodservice, foster a deeper understanding of the school lunch program in parents and students, and potentially address their inquiries regarding production processes, nutrition, hygiene, cultural heritage, and health.

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[English]
Impact of postoperative dietary types on nutrition and treatment prognosis in hospitalized patients undergoing oral and maxillofacial surgery: a comparative study: Sung Bin Youn, Se-Hui Ahn, Dong-Ho Cho, Hoon Myoung; Korean J Community Nutr 2024;29(2):129-143. Published online April 24, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.2.129

Abstract PDF Supplementary Material

Objectives
The objective of this study is to compare a nutritionally balanced soft blend diet (SBD) with a soft fluid diet (SFD) on the health of inpatients who have undergone oral and maxillofacial (OMF) surgery, ultimately aiming to enhance care outcomes, improve health-related quality of life (QOL), and increase satisfaction with the hospital.
Methods
Thirty-two patients were randomized into two groups: sixteen received SFD and sixteen received SBD. Anthropometric, laboratory evaluations were conducted upon admission and discharge. Patients filled out questionnaires on demographics, diet satisfaction, food intake amount, and health-related QOL on the day of discharge, assessed using the EuroQoL 5 Dimensions 3 Level and EuroQoL Visual Analogue Scale (EQ-VAS) instruments. Data were analyzed with descriptive statistics, χ² tests for group differences, and paired nonparametric t-tests for within-group comparisons. The Mann-Whitney U test evaluated inter-group differences in preoperative weight and body mass index (BMI), postoperative changes, meal satisfaction, intake, health-related QOL, and self-assessed health status. P-values were set at a significance level of 0.05.
Results
The SBD group had higher dietary intake (63.2% vs. 51.0%) and greater diet satisfaction (80.6 vs. 48.1, P < 0.0001) compared to SFD group. Health-related QOL, measured by EQ-VAS, was better in SBD group (70.3 vs. 58.8, P < 0.05). Postoperative weight and BMI decreased in SFD group but increased in SBD group (P < 0.01). Changes in laboratory results showed more stability in the SBD group. No postoperative infections were reported in SBD group, whereas SFD group had a 31.25% complication rate.
Conclusions
While SFD is often recommended after OMF surgery to protect oral wound healing process, our study reveals that SBD not only enhances physical and psychological outcomes but also, somewhat unexpectedly, supports wound healing and reduces complications. Essentially, SBD promotes physical recovery and enhances health-related QOL than SFD by supporting both somatic and mental healing aspects.

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Comparative Evaluation of Effect of Therapeutic Nutrition on Serum Albumin Levels and Nutritional Indices in Patients Undergoing Open Reduction and Internal Fixation for Maxillofacial Fractures – A Prospective Clinical Trial
B. R. Rajanikanth, Amruta T. Achar, Kavitha Prasad, Hema Arvind
Journal of Maxillofacial and Oral Surgery.2025; 24(1): 110. CrossRef
Nutritional management for breast cancer patients
Minjeong Kim, Minkyoung Lee, Jisun Sa
The Ewha Medical Journal.2025;[Epub] CrossRef
A Holistic Approach to Postendodontic Pain Management: A Narrative Review
Hmoud A. Algarni
Journal of Pharmacy and Bioallied Sciences.2024; 16(Suppl 5): S4262. CrossRef

3,503 View
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[English]
Exploring factors of nutrition teachers’ intentions for sustainable dietary education in South Korea: an application of the theory of planned behavior: Eunseo Yang, Borham Yoon; Korean J Community Nutr 2024;29(2):114-128. Published online April 24, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.2.114

Abstract PDF

Objectives
The purpose of this study was to investigate the perception of nutrition teachers and the factors influencing their intention toward sustainable dietary education utilizing the theory of planned behavior (TPB).
Methods
The self-administered online survey was completed by nutrition teachers in Jeollanam-do, South Korea. A total of 151 valid questionnaires were analyzed. Factor analysis and multiple regressions were employed to test the research model.
Results
The study findings demonstrated that all TPB variables significantly influenced the sustainable dietary educational intention, with the degree of influence ranking as follows: external perceived behavioral control (β = 0.417), attitude (β = 0.240), internal perceived behavioral control (β = 0.207), and subjective norms (β = 0.181). For external perceived behavioral control, nutrition teachers and elementary schools exhibited higher levels compared to dietitians and middle/high schools, respectively. The participants in sustainable dietary education training programs exhibited a higher level of internal perceived behavioral control compared to those who did not participate. The highest perception levels were reported for attitude (4.26), followed by subjective norms (4.02), internal perceived behavioral control (3.67), and external perceived behavioral control (3.20).
Conclusions
This study affirmed that the TPB variables elucidated the sustainable dietary educational intentions of nutrition teachers. The significant impacts of external and internal perceived behavioral control, attitude, and subjective norms on educational intentions were confirmed. Consequently, proactive support from schools and governments is essential to enhance the facilitating factors and mitigate the barriers toward sustainable dietary education in schools.

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Behavioral intention toward planetary health diet among adult users of government worksite cafeterias in Seoul, South Korea: a mixed-methods study based on the theory of planned behavior and focus groups interviews
Ji-Won Kang, Su-Jin Lee, Sil-Ah Kim, Ji-Yun Hwang
Korean Journal of Community Nutrition.2025; 30(3): 224. CrossRef
An educational needs analysis of sustainable dietary education for nutrition teachers: an application of the IPA, Borich needs assessment and The locus for focus model
Eunseo Yang, Borham Yoon
Korean Journal of Community Nutrition.2024; 29(5): 372. CrossRef

1,368 View
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2 Crossref

[Korean]
Knowledge on complementary foods of mothers with young children and their perception of convenience complementary foods: Yoojeong Joo, Jihyun Yoon, Linxi Huang, Youngmin Nam; Korean J Community Nutr 2024;29(1):16-33. Published online February 29, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.1.16; Correction in: Korean J Community Nutr 2024;29(2):171

Abstract PDF

Objectives
The purpose of this study was to examine mothers’ knowledge levels on complementary foods and their perception of convenience complementary foods.
Methods
An online survey was conducted with mothers aged 20–49 years who had purchased convenience complementary foods and had a preschool child aged 4 months or older. The respondents were categorized into 3 groups based on their knowledge scores: low- (0–50 points), mid- (55–65 points), and high- (70–100 points) knowledge groups.
Results
The average score of mothers’ knowledge on complementary foods was 58.8 out of 100 points. Working mothers were found to have lower levels of knowledge compared to mothers who were housewives. Only 1/4 of responding mothers had educational experience on complementary foods. Mothers expressed a desire for information on the types of complementary foods (72.2%) and the intake amounts (60.3%) corresponding to each phase of their child’s development. Multivariate analysis of variance revealed significant differences in health (P = 0.002), variety (P = 0.039), and hygiene (P = 0.041) among the factors taken into consideration when purchasing convenience complementary foods according to the mothers’ knowledge levels. Mothers in the high-knowledge group placed a greater importance on ‘balanced nutrition’ (P = 0.022) and ‘hygienic cooking’ (P = 0.010) compared to mothers in the low-knowledge group. The results of the modified importance-performance analysis, which compared the importance and performance of the factors taken into consideration when purchasing convenience complementary foods, highlighted the need for efforts in ‘health,’ ‘hygiene,’ and ‘price,’ while also indicating an excessive effort in ‘convenience.’
Conclusions
This study suggests expanding relevant education programs to enhance mothers’ knowledge on complementary foods, especially for working mothers. In the industry, marketing strategies for complementary food products could be developed that align with the needs of mothers, focusing on health, hygiene, and price.

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Development and Evaluation of a Nutrition Education Website for the Prevention and Management of Childhood Obesity
Miyong Yon, Chan Park, Kwan-Hee Yoo, Taisun Hyun
Korean Journal of Community Nutrition.2012; 17(4): 390. CrossRef
Breakfast Skipping and Related Factors in Children in Poverty
Kyung Ja June, Jin-Young Kim, Seungmi Park, Ji Yun Lee
Journal of Korean Academy of Community Health Nursing.2011; 22(2): 204. CrossRef

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[English]
Nutrition education programs necessary for social welfare facilities for persons with disabilities: a cross-sectional study: Jinkyung Kim, Min-Sun Jeon; Korean J Community Nutr 2024;29(1):1-15. Published online February 29, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.1.1

Abstract PDF

Objectives
This study investigated the need for nutrition education aimed at improving the health of residents and users of social welfare facilities for persons with disability and aimed to provide basic information for developing a nutrition education program that meets the needs of the field.
Methods
Altogether, 249 employees working in social welfare facilities for people with disabilities were included in the study. Data on the health status of residents/users, meal management, nutritional education, nutritional education needs, and awareness of nutritional education were obtained through online surveys. A descriptive analysis was conducted to analyze the demographic characteristics, needs, and perceptions of the respondents, and independent t-tests and χ² tests were performed to analyze and compare the differences between residential and daycare facilities.
Results
The majority of residents/users of social welfare facilities for persons with disabilities have developmental disabilities. When educating residents with residents/users of social welfare facilities, ‘personal hygiene’ was the most necessary topic, followed by ‘obesity management’ education. Regarding the methods of providing education, face-to-face lectures demonstrated a high demand. They responded that when nutrition education experts provide nutrition education to people with disabilities, they must understand ‘the physical characteristics of persons with disabilities’ and have the ability to determine appropriate nutrition for such people. The most appropriate nutrition program training would be twice a year, lasting 30 min to 1 h per training session.
Conclusions
It will present a direction for operating a nutrition education program for persons with disabilities that meets their needs of social welfare facilities and ultimately contribute to the establishment and activation of nutrition education tailored to welfare facilities for such individuals in Korea.

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Development and applicability evaluation of a nutrition education program for residents and users of disability social welfare facilities in Korea: a mixed-methods study
Jin-kyung Kim, Kyoung-min Lee, Min-sun Jeon
Korean Journal of Community Nutrition.2025; 30(1): 64. CrossRef

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1 Crossref

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
Nutrition Research and Practice.2025; 19(2): 305. CrossRef
Evaluating the effectiveness of a food literacy pilot program for university students: using a mixed-methods research approach
Eunji Ko, Eunjin Jang, Jiwon Sim, Minjeong Jeong, Sohyun Park
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

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Research Articles

[Korean]
Effectiveness of NQ-E index-based individual nutrition counseling for community-care elderly: an intervention study on improving nutritional status, complex chronic diseases, and quality of life: Yoonjeong Choi, Jihyun Lee, Heesook Lim, Yoo Kyoung Park; Korean J Community Nutr 2023;28(6):480-494. Published online December 31, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.6.480

Abstract PDF

Objectives
This study sought to assess the effectiveness of community-based nutrition counseling on improving nutritional status, managing complex chronic diseases, and enhancing the quality of life for elderly individuals with chronic conditions, particularly in older adults with high levels of food insecurity and multiple chronic illnesses.
Methods
Thirty elderly subjects with diabetes and hypertension who were registered at local Senior Welfare Center received individualized nutrition counseling, based on their Nutrition Quotient for the Elderly (NQ-E) index. Over a 16-week period, they received tailored counseling and underwent various health and nutritional assessments. The final analysis included 28 participants after two dropped out. Data analysis was conducted using the SPSS v28.0.
Results
The subjects were over 70, with multiple chronic diseases including diabetes and hypertension and predominantly female. After 16 weeks, significant improvements were observed in the subjects’ grip strength, and HbA1c levels, as well as in their NQ-E scores, indicating improved dietary balance and diversity. There were no significant improvements in the ‘Moderation’ subdomain of the NQ-E index, suggesting that this aspect requires further attention in nutritional counseling. The subjects' nutritional risk scores (NSI) were also significantly decreased, indicating less nutritional risk. Lastly, as measured by the SF-36K, the subjects’ quality of life showed significant improvement in several domains including physical role performance and social function.
Conclusions
This study demonstrates that tailored nutrition counseling, based on the NQ-E index, can improve elderly health, manage chronic diseases, and enhance quality of life. This approach potentially broadens the scope of community nutritionists' roles within an aging society. However, additional research is necessary to evaluate these interventions' long-term effects and sustainability.

Citations

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Health-related Quality of Life in Multimorbid Adults: A Random Forest Cross-sectional Analysis of the Korean National Health and Nutrition Examination Survey
Moonchang You, Geun-Myun Kim
Journal of Korean Academy of psychiatric and Mental Health Nursing.2025; 34(3): 349. CrossRef
A study on the development of nutrition counseling manual and curriculum for the disabled in Korea: a mixed-methods study
Kyoung-Min Lee, Woo-jeong Kim, So-young Kim, Young-mi Park, Hwa-young Yoon, Min-Sun Jeon
Korean Journal of Community Nutrition.2025; 30(5): 376. CrossRef
A Basic Study to Establish a Nutrition Education System for Welfare Facilities for the Elderly at Home Using Body Composition Analysis and Nutritional Management Cards
Sun Hee Lee, Seung-Lim Lee
The Korean Journal of Community Living Science.2024; 35(3): 471. CrossRef

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[English]
Screen time, mealtime media use, and dietary behaviors in Korean preschoolers : a cross-sectional study: Young-Hee Han, Saerom Shin, Eun Yeol Woo, Hye-Kyung Park, Taisun Hyun; Korean J Community Nutr 2023;28(3):206-219. Published online June 30, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.3.206

Abstract PDF

Objectives
Screen time refers to the time spent using screen media, such as televisions, smartphones, computers, or tablets. Excessive exposure to screen media has been reported to negatively impact young children’s health and development, including overweight, short sleep duration, and language delays. This study examined the association of screen time and mealtime media use with dietary behaviors among preschool children.
Methods
A cross-sectional survey was conducted on parents of children aged three to five years using the online questionnaires of the Nutrition Quotient for Preschoolers (NQ-P) and the Dietary Screening Test (DST). Data from 261 children’s parents were analyzed.
Results
Of the 261 children, 96.9% used screen media, 55.6% used screen media for two hours or more daily, and 30.7% were exposed to screen media during meals. The NQ-P scores were significantly lower in the children with longer screen time and mealtime media use. Children who used screen media for two hours or more and those exposed to screen media during meals consumed kimchi less frequently and confectionery and sugar-sweetened beverages more frequently than children who used less than two hours and were not exposed to screen media during meals. In addition, they were more likely to be picky about food, refuse to eat, and less likely to feed themselves than children with shorter screen time and no mealtime media use.
Conclusions
This study reported an association between unhealthy dietary behaviors, feeding difficulties, and screen time and mealtime media use among preschool children. Further research should explore effective strategies for reducing children’s screen time.

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Exploring the impact of screen time, food advertising, and nutritional knowledge of parents on eating habits in preschoolers: a comprehensive review
P. Nagadharshini, Veena B. M., Shweatha H. E.
International Journal Of Community Medicine And Public Health.2025; 12(8): 3836. CrossRef

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[Korean]
The association between nutrition label utilization and disease management education among hypertension or diabetes diagnosed in Korea using 2018 Community Health Survey: a cross-sectional study: Miran Jin, Jayeun Kim, Kyuhyun Yoon; Korean J Community Nutr 2023;28(1):38-47. Published online February 28, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.1.38

Abstract PDF

Objectives
This study examined the association between the experience of disease management education and the use of nutrition labels according to the sociodemographic characteristics and health behaviors of people diagnosed with hypertension and diabetes living in the community.
Methods
Among the participants from the Community Health Survey (2018), 74,283 individuals diagnosed with hypertension or diabetes were included in the study population. According to gender, this study evaluated nutrition label use by the experience of disease management education, individual sociodemographic characteristics, and health behavior. Finally, using multiple logistic regression analysis, the association between disease management education and nutrition labels was calculated using the odds ratio (OR) and 95% confidence interval (CI).
Results
Males (24.5%) experienced more disease management education than females (22.6%). In addition, younger age, higher education level, and higher equalized personal income experienced more disease management education (P < 0.001). The educational experience rate was higher in the male subjects who did not smoke or were involved in high-risk alcohol consumption (P < 0.001). In addition, the rate of disease management education experience was significantly higher for both men and women who exercised by walking (P < 0.001). The use of nutrition labels was higher in females (9.9%) than males (5.8%), and both males and females were significantly higher in young age, high education, high income, and professional and office positions (P < 0.001). The utilization rate of nutrition labels was high in non-smoking male subjects and high-risk-drinking female subjects. In addition, the utilization rate of nutrition labels was significantly higher in males and females who exercised by walking and those who experienced disease management education (P < 0.001). After adjusting for individual sociodemographic characteristics, health behavior, and disease management education, the use of nutrition labels was high among females (OR 3.19, 95% CI 2.85-3.58), high income (Q4; OR 1.62, 95% CI 1.41-1.87, Q5; OR 1.58, 95% CI 1.37-1.84) and highly educated (high school; OR 2.87, 95% CI 2.62-3.14, above college; OR 5.60, 95% CI 5.02-6.23) while it was low in the elderly (OR 0.43, 95% CI 0.40-0.47), and economically inactive (OR 0.86, 95% CI 0.76-0.96). The use of nutrition labels was high in non-smokers (OR 1.29, 95% CI 1.13-1.48), non-high-risk drinkers (OR 1.22, 95% CI 1.08-1.38), and subjects who exercised walking (OR 1.44, 95% CI 1.34-1.54). There was no difference in the utilization rate of nutrition labels according to obesity, and the utilization rate of nutrition labels was significantly higher in subjects who had experienced disease education (OR 1.34, 95% CI 1.24-1.44).
Conclusions
Education on the use of nutrition labels, which contributes to food selection for healthy eating, might be a tool for dietary management. Moreover, the utilization rate can be a good indicator for predicting the proportion of the population practicing the guide for disease management. Improving the utilization rate of nutrition labels through disease management education can be a useful intervention for people with chronic diseases who need healthy eating habits for disease management and preventing complications, particularly those diagnosed with hypertension and diabetes.

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Association between Nutrition Label Utilization and Chronic Kidney Disease in Diabetic Patients: Using the Data of the 8th Korea National Health and Nutrition Examination Survey (2019-2021)
Ae-Seul Lee, Seong Woo Choi, So Yeon Ryu
Journal of Health Informatics and Statistics.2025; 50(3): 249. CrossRef
Comparison of Health Status and Life Satisfaction According to Food Security in Single-Person Households of Elderly Population
Dong Hoon Jung, Jae Won Han, Wonha Kim, Hee-Sook Lim
Clinical Nutrition Research.2024; 13(1): 42. CrossRef
Factors Influencing the Dietary Behavior of Patients with Type 2 Diabetes Mellitus: A Cross-sectional Study
Sohyun Jin, Youngshin Song
Journal of Korean Academy of Fundamentals of Nursing.2024; 31(1): 80. CrossRef
Factors Influencing Participation in Hypertension Management Education Among Diagnosed Hypertensive Patients in Busan: Utilizing the 2021 Community Health Survey
Hye Jung Jun, Kyoung Mi Kim
Research in Community and Public Health Nursing.2024; 35: 424. CrossRef
An association between socioeconomic status and preventive screening for diabetic eye and kidney complications among individuals with type 2 diabetes
Changwoo Shon, Jongnam Hwang
Korean Journal of Health Education and Promotion.2023; 40(5): 27. CrossRef

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[Korean]
Nutrition teacher’s perception and current status of nutrition education for free learning semester program: a preliminary study: Mi Joo Park, Jeong-Hwa Choi, Young-Ran Heo; Korean J Community Nutr 2023;28(1):24-37. Published online February 28, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.1.24

Abstract PDF

Objectives
This study aimed to investigate the current status of nutrition education via a free learning semester program (NE). The understanding of the program, the potential difficulties, and future initiatives for NE improvement were also investigated.
Methods
A total number of 161 nutrition teachers from Gwangju and Jeonnam filled in a questionnaire and participated in this survey, which was performed from July to August 2019.
Results
Our results showed that 8.1% of the nutrition teachers had taught nutrition education in free learning semester programs. The most frequently implemented model was subject selection, followed by club activities. Most of the nutrition teachers comprehended the purpose of NE. The attitude of nutrition teachers to NE differed by the understanding of its purpose. Positive attitude was evident due to a better understanding of the purpose by nutrition teachers. Nutrition teachers reported the most common difficulties of NE were the lack of preparation due to the heavy workload and the lack of a standard running program. The most effective method of NE was the activity classes. The experience of practicing NE influenced the choice of contents for each operating model. Nutrition teachers that were experienced in NE conducted via free learning semester programs preferred the selected topics model, but those without experience chose the career search model.
Conclusions
Although some obstacles exist, nutrition teachers had a positive attitude and perceived well the importance of NE. Therefore, the awareness for the significance of NE of nutrition teachers needs to be improved. For better NE practice, it is necessary to reduce/ manage the workload of general food service. Furthermore, the development of standard running and promotion programs, and teacher training programs should be ensured.

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An Exploratory Study on the Necessity and Promoting Strategies for School-Based Dietary Education: Focus Group Interviews with Home Economics Teachers
Seung Jae Lee, Ji Eun Oh, Kyung Won Lee
Human Ecology Research.2025; 63(1): 41. CrossRef

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[Korean]
Nutritional status of Daejeon citizens and needs of community nutrition care services: a cross-sectional study: Dahye Lee, Minsun Jeon; Korean J Community Nutr 2023;28(1):11-23. Published online February 28, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.1.11

Abstract PDF

Objectives
This study aimed to determine the nutritional status of residents, to examine the perception and needs of community nutrition care service, and to compare and analyze the results of females and males living in Daejeon, Korea.
Methods
The subjects were 592 adults and elderly (278 men and 314 women) residents of Daejeon. The dietary quality was assessed using the nutrition quotient (NQ), and data of the perception and needs for community nutrition care service were obtained by a questionnaire survey. Descriptive analysis was applied to analyze the demographic characteristics, perception and needs of the respondents, and independent t-test and chi-square test were performed to analyze and compare the differences between female and male participants.
Results
A nutritional status that required monitoring was established in 78.9% of the respondents in this study. The balance factor (29.1 points) was much lower than the national average. In the diversity factor, the NQ score of the female group was 47.6 points, which was 8 points lower than that of males; the NQ grade was 43.9%, showing a significant difference between females and males (P < 0.001). The respondents answered that those who needed community nutrition care services were residents experiencing health care difficulties. Additionally, dietitians (35.6%) were pointed out as the most suitable service providers. The most important factor of community nutrition care service operation was securing the budget (47.0%).
Conclusions
The results of the present study show that Daejeon residents need overall nutrition support, and a demand for community nutrition care services exists. Our findings provide basic data and can serve as a foundation for the development and establishment of a community nutrition care service model.

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A cross-sectional survey of eating behaviors and psychological factors among young people some psychological factors and eating behaviors
Kerim Kaan Göküstün, Kübra Kayaoğlu
Journal of Medicine and Palliative Care.2024; 5(5): 231. CrossRef

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[English]
Nutritional status and dietary behavior of North Korean adolescent refugees based on Nutrition Quotient for Korean adolescents: a preliminary study: Young Goh, Seong-Woo Choi, So-Yeong Kim, Jeong-Hwa Choi; Korean J Community Nutr 2023;28(1):1-10. Published online February 28, 2023; DOI: https://doi.org/10.5720/kjcn.2023.28.1.1

Abstract PDF: Objectives
This study aimed to investigate the nutritional status and dietary behavior of adolescents from North Korean refugee (NKR) families residing in South Korea (SK), who are known to be at a higher risk of malnutrition due to their lower socioeconomic status and facing other psychological challenges.
Methods
A total of 178 adolescents (91 males and 87 females) from NKR families were included in the analysis, and their demographic details such as age, birthplace, parental nationality, and duration of their settlement in SK were collected through questionnaires. Anthropometric measurements were also taken to determine their growth and nutritional status according to the 2017 Korean National Growth Charts for children and adolescents. The study used the Nutrition Quotient for Korean Adolescents (NQ-A) questionnaire to assess the dietary behavior of the participants.
Results
Approximately 11.8% and 10.1% of participants were identified with malnutrition and obesity, respectively. The total mean score for the NQ-A was 50.1. The mean scores for the individual factors of balance, diversity, moderation, environment, and practice were 49.2, 44.7, 43.8, 51.2, and 61.5, respectively. Approximately 47.2% of participants had a low NQ-A grade. However, there was no significant difference in the NQ-A scores according to their nutritional status or duration of time in SK.
Conclusions
Adolescents from NKR families exhibited both malnutrition and obesity. However, their dietary behavior, as assessed using the NQ-A, did not vary with their nutritional status. The unique challenges and related dietary behavior of North Korean adolescent refugees should be taken into consideration, when developing targeted strategies for nutritional education and health management programs.

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[Korean]
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; Korean J Community Nutr 2022;27(6):480-491. Published online December 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.6.480

Abstract PDF

Objectives
This study examined the problems encountered when analyzing the market size, purchase, and consumption of HMR (home meal replacements) in the Republic of Korea.
Methods
The macro data relevant to the market size and purchase status of HMR were critically summarized. The micro data retrieved from the 2019 & 2020 Korea National Health and Nutrition Examination Survey (KNHANES) were analyzed to understand the consumption of HMR.
Results
The Korea Agro-Fisheries & Food Trade Corporation and the Ministry of Food and Drug Administration reported the market size of HMR, whereas the Korean Rural Economic Institute and the Rural Development Administration reported the purchase expense and frequencies of HMR. Since the values on the market size and purchase status were calculated or surveyed using different scopes of HMR, there have been reliability issues for the data presented. Additionally, lack of consensus on the use of Korean terms corresponding to HMR was found to be a problem. To examine the consumption of HMR, analysis of the food intake data from KNHANES presented results with very low validity due to the inappropriate survey and coding scheme not reflecting the inclusion of new food types.
Conclusions
Several problematic discrepancies were encountered in the statistics on HMR. The fundamental cause of these problems was the absence of agreement on the scope of HMR and the Korean terms corresponding to it. Considering the increasing importance of HMR in Korean diets, urgent cooperative efforts are required between the government and academia to derive an agreed Korean term and establish the scope of HMR.

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Sustainable Human Resource Management in Emergencies: The Case of the Lithuanian Logistics Sector
Kristina Čižiūnienė, Gabrielė Voronavičiūtė, Dragan Marinkovic, Jonas Matijošius
Sustainability.2025; 17(6): 2591. CrossRef
Evaluation of Thermal Resistance in Geobacillus thermodenitrificans subsp. Calidus and Ureibacillus suwonensis Spores Isolated in Korea
Ju-Hee Nam, Du-Yeong Jung, Zi-On Choi, Hyun-Jung Jung, Jung-Beom Kim
Journal of Food Hygiene and Safety.2025; 40(1): 13. CrossRef
Physicochemical Properties and Quality Analysis of Miichthys miiuy Products Processed by Drying and Smoking
Yu-Jin Heo, Hayoun Kim, Hae-In Lee
Journal of the Korean Society of Food Science and Nutrition.2025; 54(7): 629. CrossRef
Survey on consumer perceptions, health benefits and preferences of kindergarten and school foodservices in Korea, including related keywords reported in newspaper: a mixed-methods study
Gyoungok Gang, Chaewon Park, Hyeja Chang
Korean Journal of Community Nutrition.2025; 30(4): 309. CrossRef
Eating behaviors, home meal replacement consumption, and nutrition quotient: a comparative study of male shift and non-shift workers in Chungcheong, Korea
Yeon Jin Lee, Munkyong Pae
Nutrition Research and Practice.2025; 19(5): 758. CrossRef
Usage and Quality Satisfaction of Convenience Food at Convenience Stores according to the Eating Behavior of University Students in Southern Gyeonggi Province
Se-In Oh, Ok-Sun Kim
Journal of the East Asian Society of Dietary Life.2023; 33(6): 492. CrossRef

5,221 View
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[Korean]
Effects from the Use of Nutrition Labels and the Levels of Sodium-related Nutrition Knowledge on the Consumption of Instant Noodles (Ramyeon) by Middle School Students in the Incheon Area: Yang-Hee Kwon, Hyung-Sook Kim; Korean J Community Nutr 2022;27(5):397-405. Published online October 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.5.397

Abstract PDF

Objectives
This study examines the effect on the frequency of Ramyeon consumption based on who checks nutrition labels and on the levels of sodium-related nutrition knowledge among middle school students in the Incheon area.
Methods
Self-administered questionnaires were completed by 359 students (143 males and 216 females) from May to October 2021. General information as well as Ramyeon-eating behaviors were surveyed. The frequency of Ramyeon consumption was compared depending on who checks nutrition labels and on the amount of sodium-related nutrition knowledge students have. Both X ² tests and t-tests were conducted for categorical and mean comparisons.
Results
Regarding the consumption of Ramyeon, 46% of the students replied that they eat it alone at home. The criteria for choosing the kind of Ramyeon to eat were taste (79.4%), price (9.2%), brand and new products (4.5%), nutrition (2.2%), weight control (2.2%), and other factors (2.5%). When purchasing Ramyeon, more students replied that they did not read nutrition labels (66.0%) compared to those who did read labels (34.0%). Answers to questions on sodium-related nutrition earned an average of 6.84 out of nine points (males, 6.72 points, females, 6.91 points, ns). The average frequency of Ramyeon consumption was 1.67 times per week (males, 1.66, females, 1.68, ns). The frequency of Ramyeon consumption by students who checked nutrition labels was lower than for students who did not check labels (1.44 times per week vs. 1.79 times per week, P < 0.05).
Conclusions
Students who checked nutrition labels reported a lower frequency of Ramyeon consumption than students who did not check them. Education on checking nutrition labels may reduce the consumption of processed foods such as Ramyeon and may lead to making healthy choices when purchasing food.

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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
Seoyeon Park, Yeonhee Shin, Seoyeon Lee, Heejung Park
Korean Journal of Community Nutrition.2023; 28(4): 269. CrossRef
A Study on the Adolescent’ Usage Patterns and Perception for Food Labeling in Adolescents
Hojin Lee, Da Bin Jang, Se Bin Jeong, Eun Ji Ha, Ye Eun Yoon, Ga Eul Eh Kim
Journal of Biotechnology and Bioindustry.2022; 10: 53. CrossRef

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[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

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[Korean]
Development and Effectiveness Evaluation of the STEAM Education Program on Food Groups for Kindergarteners: Jinkyeong Ahn, Seyoen Kim, Donghyuk Kim, Jounghee Lee; Korean J Community Nutr 2022;27(5):361-372. Published online October 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.5.361

Abstract PDF: Objectives
The purpose of this study was to explore the effectiveness of the STEAM (Science, Technology, Engineering, Arts, and Mathematics) education program on the use of specific food groups in improving nutrition-related knowledge and attitude, dietary behavior, creative problem solving, and STEAM attitude.
Methods
We selected two classes at a kindergarten in Jeollabuk-do, South Korea. A total of 44 kindergarteners from the two classrooms participated in this study. The experimental group and the control group were formed with 22 students each. The experimental group attended 11 STEAM classes on the use of the grain, fruit, and milk food groups. First, we performed the paired t-test to examine changes from pre-to-post classes for both groups. Then, we used ANCOVA to compare post-test scores between the experimental and control groups with the adjustment of pre-test scores.
Results
The results demonstrate that the STEAM education program on the use of the food groups significantly improved (1) nutrition-related knowledge and attitude, and dietary behavior (P < 0.001), (2) creative problem solving (P < 0.001), and (3) STEAM attitude (P < 0.001) in the intervention group when compared with the control group.
Conclusions
The STEAM education program on the use of food groups is effective in enhancing nutrition knowledge and attitude, dietary behavior, creative problem solving, and STEAM attitudes among kindergarten students.

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[Korean]
Association between Sarcopenia and Energy and Protein Intakes in Community-dwelling Elderly: Woori Na, Dayoung Oh, Seohyeon Hwang, Bonghee Chung, Cheongmin Sohn; Korean J Community Nutr 2022;27(4):286-295. Published online August 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.4.286

Abstract PDF

Objectives
Sarcopenia is one of the most representative factors of senescence, and nutritional status is known to affect sarcopenia. This study was performed to analyze the relationships between energy and protein intake and sarcopenia.
Methods
The study subjects were 3,236 individuals aged ≥ 65 that participated in the Korea National Health and Nutrition Examination Survey (KNHANES) 2008 ~ 2011. General characteristics and anthropometric and 24-hour dietary recall data were analyzed. Sarcopenia was diagnosed using a formula based on appendicular skeletal muscle mass (ASM) and body weight. Logistic regression was performed to determine relationships between sarcopenia risk and energy and protein intakes.
Results
For energy intake, the odds ratio (OR) of sarcopenia in women was significantly higher those with the lowest intake [OR = 1.680, 95% confidence interval (CI) = 1.213-2.326] than those with the highest intake (P for trend = 0.001). Regarding protein intake per kg of body weight, the odds ratio of sarcopenia was significantly higher for those that consumed < 0.8 g/kg of protein daily than those that consumed > 1.2g/kg for men (OR = 2.459, 95% CI = 1.481-4.085) and women (OR = 2.178, 95% CI = 1.423-3.334).
Conclusions
This study shows a link between sarcopenia and energy and protein intake levels and suggests that energy and protein consumption be promoted among older adults to prevent sarcopenia.

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Minjee Han, Kyung-sook Woo, Kirang Kim
Clinical Nutrition Research.2025; 14(3): 216. CrossRef
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Min-Yu Chung
Journal of the Korean Society of Food Science and Nutrition.2025; 54(7): 565. CrossRef
Design of contents for developing an intervention app for sarcopenia in older adults: A research study using the Delphi technique
Hee Jung Kim, Ju Young Ha
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Minjee Han, Kyungsook Woo, Kirang Kim
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Yeji Kang, Namhee Kim, Yunhwan Lee, Xiangxue An, Yoon-Sok Chung, Yoo Kyoung Park
Clinical Nutrition Research.2023; 12(3): 184. CrossRef

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[Korean]
Dietary Status of Preterm Infants and the Need for Community Care: Ji Su Jeon, Won Hee Seo, Eun mi Whang, Bu Kyung Kim, Eui Kyung Choi, Jang Hoon Lee, Jeong Hee Shin, Young Shin Han, Sang-Jin Chung; Korean J Community Nutr 2022;27(4):273-285. Published online August 31, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.4.273

Abstract PDF: Objectives
This study compared the nutritional intakes of early and late preterm infants in a neonatal intensive care unit (NICU) and at home. The dietary problems and the need for community care services for premature infants were further investigated.
Methods
This is a cross-sectional and descriptive study on 125 preterm infants and their parents (Early preterm n = 70, Late preterm n = 55). The data were collected by surveying the parents of preterm infants and from hospital medical records.
Results
No significant differences were obtained between the early and late preterm infant groups when considering the proportion of feeding types in the NICU and at home. Early preterm infants were fed with a greater amount of additional calories at home and had more hours of tube feeding (P = 0.022). Most preterm infants had feeding problems. However, there was no significant difference between early and late preterm infants in the mental pain of parents, sleeping, feeding, and weaning problems at home. Many parents of preterm babies had no external support, and more than half the parents required community care to take care of their preterm babies.
Conclusions
Regardless of the gestational age, most preterm infants have several problems with dietary intake. Our study indicates the need to establish community care services for preterm infants.

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[Korean]
[Republished study] Assessing Nutritional Status in Outpatients after Gastric Cancer Surgery: A Comparative Study of Five Nutritional Screening Tools: Jae Won Cho, Jiyoung Youn, Min-Gew Choi, Mi Young Rha, Jung Eun Lee; Korean J Community Nutr 2022;27(3):205-222. Published online June 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.3.205

Abstract PDF

Objectives
This study examined the characteristics of patients according to nutritional status assessed by five nutritional screening tools: Patient-Generated Subjective Global Assessment (PG-SGA), NUTRISCORE, Nutritional Risk Index (NRI), Prognostic Nutritional Index (PNI), and Controlling Nutritional Status (CONUT) and to compare the agreement, sensitivity, and specificity of these tools.
Methods
A total of 952 gastric cancer patients who underwent gastrectomy and chemotherapy from January 2009 to December 2012 were included. The patients were categorized into malnutrition and normal status according to five nutritional screening tools one month after surgery. The Spearman partial correlation, Cohen’s Kappa coefficient, the area under the curve (AUC), sensitivity, and specificity of each two screening tools were calculated.
Results
Malnutrition was observed in 86.24% of patients based on the PG-SGA and 85.82% based on the NUTRISCORE. When NRI or CONUT were applied, the proportions of malnutrition were < 30%. Patients with malnutrition had lower intakes of energy and protein than normal patients when assessed using the PG-SGA, NUTRISCORE, or NRI. Lower levels of albumin, hemoglobin, total lymphocyte count, and total cholesterol and longer postoperative hospital stays were observed among patients with malnutrition compared to normal patients when NRI, PNI, or CONUT were applied. Relatively high agreement for NUTRISCORE relative to PG-SGA was found; the sensitivity was 90.86%, and the AUC was 0.78. When NRI, PNI, and CONUT were compared, the sensitivities were 23.72% for PNI relative to NRI, 44.53% for CONUT relative to NRI, and 90.91% for CONUT relative to PNI. The AUCs were 0.95 for NRI relative to PNI and 0.91 for CONUT relative to PNI.
Conclusions
NUTRISCORE had a high sensitivity compared to PG-SGA, and CONUT had a high sensitivity compared to PNI. NRI had a high specificity compared to PNI. This relatively high sensitivity and specificity resulted in 77.00% agreement between PNI and CONUT and 77.94% agreement between NRI and PNI. Further cohort studies will be needed to determine if the nutritional status assessed by PG-SGA, NUTRISCORE, NRI, PNI, and CONUT predicts the gastric cancer prognosis.

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Report on the Current Trend of Commercial Enteral/Parenteral Nutrition in Outpatient
Hyun Ji Lee, Hyo Jung Park, Seon Young Chung, Myung Sook Min, Ok Soon Jeong, Ja Kyung Min
Journal of Korean Society of Health-System Pharmacists.2023; 40(2): 211. CrossRef

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[Korean]
Nutritional Status of Intensive Care Unit Patients According to the Referral to the Nutrition Support Team and Compliance with the Recommendations: Yunjin Sohn, Taisun Hyun; Korean J Community Nutr 2022;27(2):121-131. Published online April 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.2.121

Abstract PDF

Objectives
This study aimed to examine the effectiveness of the intervention of the nutrition support team (NST) on the nutritional status of critically ill patients.
Methods
The medical records of 176 adult patients who were admitted to the intensive care unit and received enteral or parenteral nutrition for more than 7 days were retrospectively analyzed. The patients were classified into the NST and non-NST groups according to whether they were referred to the NST or not. The NST group was further classified into the compliance and non-compliance groups depending on their compliance with the NST recommendations.
Results
The NST referral rate was 56.8%, and the rate of compliance with the NST recommendations was 47.0%. Significantly higher energy and protein were provided to the NST and the compliance groups than to the non-NST and the non-compliance groups. The proportion of patients who reached the target calories after the initiation of enteral nutrition was significantly higher in the NST and the compliance groups than in the non-NST and the non-compliance groups. The serum albumin and hemoglobin levels significantly decreased in every group, but the changes were significantly lower in the compliance group. The nutritional status at discharge from the intensive care unit compared to the status at admission was significantly worse in the NST, non-NST, and non-compliance groups. However, the status was maintained in the compliance group. The length of stay in the intensive care unit was significantly shorter in the compliance group.
Conclusions
Compliance with the NST recommendations was found to provide more calories and protein and prevent the deterioration of the nutritional status of critically ill patients. Therefore, effective communication between medical staff and the NST from the early stages of admission to the intensive care unit is needed to improve referrals to the NST and compliance with the recommendations.

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Impact of Nutritional Status on Pressure Ulcers and Death among Critically Ill Patients
Miyeon Kim, Soyoung Yu, Hye-Ja Park
Journal of Health Informatics and Statistics.2024; 49(4): 305. CrossRef

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[Korean]
Evaluation of Nutritional Quality of Convenience Store Meal Boxes according to Store Company and Meal Price: Changgyu Cho, Youngmin Nam, Hye-Jong Yoo; Korean J Community Nutr 2022;27(2):105-120. Published online April 30, 2022; DOI: https://doi.org/10.5720/kjcn.2022.27.2.105

Abstract PDF

Objectives
This study evaluated nutritional quality of convenience store meal boxes according to store company and meal price.
Methods
In May 2020, 71 meal boxes from five major convenience store companies were collected. Respective weights of all dishes and food ingredients included in each meal box were measured with a digital scale. Information on nutritional contents was collected from nutrition fact panels on packages. Food group patterns, dietary diversity scores (DDS), and dietary variety scores (DVS) were analyzed. Nutritional contents, i.e., amounts of energy, protein, and sodium, and percentages of energy from carbohydrate, sugar, fat, and saturated fat were compared with respective standards based on the 2020 Dietary Reference Intakes for Koreans. Comparison was made among five companies (Company A, B, C, D, E) and three price groups ( ≤4,200 won, ≥4,300 and ≤4,500 won, ≥4,600 won). Multiple regression analyses were conducted to examine the difference of nutritional contents according to company and price, respectively while holding the other variable constant.
Results
DDS, but not DVS, significantly differed among companies. The percentages of meal boxes meeting the nutritional standards of sodium significantly differed among companies; the percentage was highest in companies B (75.0%) and C (73.3%). “Company” was associated with amount of energy, protein, and sodium, and percentage of energy from saturated fat. “Price” was associated with the amount of energy and percentage of energy from carbohydrate. The average number of satisfied standards was highest in companies B (5.0) and C (4.0). About two-thirds of the meal boxes provided less amount of energy than the standard; the percentage of such meal boxes was highest in meal boxes with price of 4,200 won or lower.
Conclusions
There were significant differences in the nutritional quality of meal boxes according to “company”. Meanwhile, higher-priced meal boxes did not necessarily ensure better nutritional quality.

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A nutritional evaluation of convenience store meal boxes in South Korea
Jinkyung Choi, Yunseon Choe
International Journal of Gastronomy and Food Science.2025; 42: 101332. CrossRef
The impact of long working hours on daily sodium intake
Kyungho Ju, Yangwoo Kim, Seung Hee Woo, Juhyeong Kim, Inah Kim, Jaechul Song, Soo-Jin Lee, Jeehee Min
Annals of Occupational and Environmental Medicine.2024;[Epub] CrossRef
Folate intake in Korean adults: analysis of the 2016–2018 Korea National Health and Nutrition Examination Survey with newly established folate database
Eun-Ji Park, Inhwa Han, Kyoung Hye Yu, Sun Yung Ly
Journal of Nutrition and Health.2024; 57(4): 418. CrossRef
Diet status of college students evaluated by applying the photographic analysis method
Chae Hong Lee, Kyung A Lee
Journal of Nutrition and Health.2023; 56(4): 439. CrossRef

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[Korean]
Biochemical Characteristics and Dietary Intake according to Household Income Levels of Korean Adolescents: Using Data from the 6th (2013 ~ 2015) Korea National Health and Nutrition Examination Survey: Yu-Kyeong Kwon, Sook-Bae Kim; Korean J Community Nutr 2021;26(6):467-481. Published online December 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.6.467

Abstract PDF

Objectives
The purpose of this study was to examine the biochemical characteristics, intake of energy, and nutrients by household income levels of Korean adolescents aged 12 to 18 years.
Methods
Data from the 6th (2013 ~ 2015) Korea National Health and Nutrition Examination Survey (KNHNES) were used for the study. A total of 1,839 (966 boys, 873 girls) subjects were included, and they were divided into four income groups according to their household income level. We examined general characteristics (gender, region of residence, skipping or not-skipping breakfast, lunch, dinner, frequency of eating-out), anthropometric characteristics (height, weight, weight status), biochemical characteristics (fasting plasma glucose, blood urea nitrogen, creatinine, triglycerides, cholesterol, HDLcholesterol, hemoglobin, and hematocrit), the quantitative intake of energy and nutrients using the Korean Dietary Reference Intakes (KDRI), and the qualitative intake evaluated by the nutrition adequacy ratio (NAR) and mean nutrition adequacy ratio (MAR) of the four groups.
Results
There were significant differences by income group within the region of residence and the rate of skipping breakfast, lunch, and dinner. The low-income group had a higher rate of skipping breakfast, lunch, and dinner. According to the income group, there was a difference in the height of boys, and there was no difference in the weight and obesity of boys and girls. In the biochemical characteristics, only the hematocrit of girls showed differences by income group. The quantitative intake of energy and nutrients compared with KDRI differed by income group. There were differences in energy, carbohydrates, proteins, thiamin, riboflavin, niacin, and phosphorus levels in boys and protein, vitamin A, niacin, and sodium levels in girls. The qualitative intake of energy and nutrients examined using NAR and MAR also differed according to the income group. The NAR showed differences in calcium in boys and vitamin C and calcium in girls. The MAR revealed differences in both boys and girls by income group.
Conclusions
Among adolescents in the low-income group, the rate of skipping meals was high, and the quantitative and qualitative intake of energy and some nutrients was low. It is suggested that the nutritional intake can be improved by lowering the rate of skipping breakfast, lunch, dinner. We suggest that even just providing breakfast in schools can be considered highly effective in improving the rate of avoidance of skipping meals and improving nutrient intake. Also, we suggest that it is necessary to improve the food environment, food availability, and food accessibility through national and social support for low-household income adolescents.

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Dietary Behaviors and Health Status by Income Level in Single-Adult Households in Korea: An Analysis of Data From the 2016-2018 Korea National Health and Nutrition Examination Survey
Min-Hee Han, Bok-Mi Jung, Mi-Kyeong Choi
Clinical Nutrition Research.2025; 14(1): 55. CrossRef
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
Correlation between adolescents’ dietary safety management competency and value recognition, efficacy, and competency of convergence using dietary area: a descriptive study
Yunhwa Kim, Yeon-Kyung Lee
Korean Journal of Community Nutrition.2023; 28(4): 317. CrossRef
제한적인 등교 상황에서 중고등학생의 신체적·정신적 건강 및 식생활 행태 변화:
민지 손, 은주 윤
Korean Journal of Food and Cookery Science.2023; 39(3): 213. CrossRef
A Qualitative Study of Changes in Adolescent Dietary Behavior during the COVID-19 Pandemic and Improvement Strategies for School-Provided Nutrition Counseling
Yeseul Na, Jieun Oh, Kyung Won Lee
Human Ecology Research.2023; 61(1): 39. CrossRef

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[Korean]
Nutritional Status according to the Frailty Status of the Elderly at Home in Seo-gu, Gwangju, Korea: Ye Eun Kim, Young-Ran Heo; Korean J Community Nutr 2021;26(5):382-395. Published online October 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.5.382

Abstract PDF

Objectives
This study examined the nutritional status according to frailty status in the elderly at home. Methods: The participants were a total of 76 elderly at home living in Seo-gu, Gwangju, Korea. The nutritional status and frailty status were analyzed using the Nutrition Quotient for Elderly (NQ-E) and the Korean version of the Fatigue, Resistance, Ambulation, Illnesses and Loss of weight Scale (K-FRAIL), respectively. Results: The distribution of frailty status was robust (17.1%), pre-frailty (38.2%) and frailty (44.7%), and its distribution was significantly different in genders, age groups and the number of medications. The mean NQ-E score was 47.0 for total subjects, indicating a low grade. The scores of balance, diversity and dietary behavior factors were within the low grade, while the score of the moderation factor was within the medium-high grade. According to the frailty status, pre-frailty and frailty showed significantly higher scores for sugar-added beverages intake in the moderation constructs than robust. Robust showed significantly higher scores for the exercise hours and perception level for one’s health than pre-frailty and frailty. Conclusions: These results suggest that nutrition status is associated with frailty status. Regular nutrition education and visiting nutrition service should be established to improve the balance and diversity of food intake and improve the dietary behavior of the elderly at home.

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The Dietary Status among Mild Dementia Elderly Using the Nutrition Quotient for Elderly (NQ-E) in Daegu
Hyun-Kyoung Bang, Mi-Ok Kim
Journal of the East Asian Society of Dietary Life.2023; 33(4): 343. CrossRef
Evaluation of dietary quality using elderly nutrition quotient depending on the consumption of healthy functional foods
Jieun Lee, Hyo-Jeong Hwang, Hye-Young Kim, Jung-Sug Lee
Journal of Nutrition and Health.2023; 56(5): 483. CrossRef

1,186 View
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[Korean]
Association between Sugar-Sweetened Beverage Intake and Dietary Quality using Nutritional Quotient among Adults in Daegu, Korea: Kilye Kim, Yeon-Kyung Lee; Korean J Community Nutr 2021;26(5):350-362. Published online October 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.5.350

Abstract PDF

Objectives
This study investigated an association between sugar-sweetened beverage (SSB) intake and the dietary quality of adults in Deagu, Korea.
Methods
A questionnaire survey was conducted in 1,022 adults aged 19 ~ 49 years (502 men and 520 women) in the Deagu area of Korea. Daily intake of SSB was obtained by the food frequency questionnaire, and the dietary quality was assessed using the nutrition quotient (NQ) for Korean adults. Multiple logistic regression analysis was used to estimate the association between dietary quality and daily intake of SSB in adults.
Results
Daily intake of SSB was 463.6 mL/d for total subjects, and the highest intakes were sweetened coffees (192.7 mL/d), followed by carbonated drinks (77.1 mL/d). Higher intake of SSB was associated with higher intake frequency of fast food or sweet and greasy bread, processed beverage, ramyon, eating out or delivery food and night snack, and also associated with lower frequency of water, breakfast intake and nutrition label checking in men or women. Men and women who had a higher intake SSB had significantly greater odds for being in the low grade of NQ (P for trend = 0.0006 for men, P for trend = 0.0007 for women), especially in the moderation factor (P for trend < 0.0001 for men and women).
Conclusions
This study showed that high SSB intake was significantly associated with low dietary quality among adults. These study results suggest that nutrition education programs and guidelines should be provided to adults for improving their consumption of SSB and related diets.

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Assessment of the dietary quality among Chinese adults living in Shanghai and the Anhui Province using the Nutrition Quotient for adults
Ani Liu, Ji-Yun Hwang
Journal of Nutrition and Health.2025; 58(1): 117. CrossRef
Effects of night eating on oral health characteristics and symptoms of poor oral health in adolescents: a cross-sectional study using the 18th Korea Youth Risk Behavior Survey
Seung–Hee Hong
Korean Journal of Community Nutrition.2025; 30(2): 150. CrossRef
Nutritional and Health Status According to the Frequency of Carbonated Beverage Consumption among Adults in Their 20s : Based on the 2019-2021 Korea National Health and Nutrition Examination Survey (KNHANES) Data
You-Sin Lee
Journal of the East Asian Society of Dietary Life.2025; 35(3): 159. CrossRef
Study on the Dietary Behaviors and Eating Habits of University Students in the Gyeongnam Region in the Post-COVID-19 Era Using the Nutrition Quotient for Adults
Joo Sun Choi
Journal of the East Asian Society of Dietary Life.2024; 34(6): 470. CrossRef
Nutritional status of Daejeon citizens and needs of community nutrition care services: a cross-sectional study
Dahye Lee, Minsun Jeon
Korean Journal of Community Nutrition.2023; 28(1): 11. CrossRef
Sex-Based Differences in Factors Associated With Sugar-Sweetened Beverage Consumption Among Korean High School Students
Jin Suk Ra, Moonkyoung Park
Frontiers in Nutrition.2022;[Epub] CrossRef

1,032 View
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6 Crossref

Research Note

[Korean]
Development of 3D Printed Snack-dish for the Elderly with Dementia: Ji-Yeon Lee, Cheol-Ho Kim, Kug-Weon Kim, Kyong-Ae Lee, Kwangoh Koh, Hee-Seon Kim; Korean J Community Nutr 2021;26(5):327-336. Published online October 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.5.327

Abstract PDF

Objectives
This study was conducted to create a 3D printable snack dish model for the elderly with low food or fluid intake along with barriers towards eating. Methods: The decision was made by the hybrid-brainstorming method for creating the 3D model. Experts were assigned based on their professional areas such as clinical nutrition, food hygiene and chemical safety for the creation process. After serial feedback processes, the grape shape was suggested as the final model. After various concept sketching and making clay models, 3D-printing technology was applied to produce a prototype. Results: 3D design modeling process was conducted by SolidWorks program. After considering Dietary reference intakes for Koreans (KDRIs) and other survey data, appropriate supplementary water serving volume was decided as 285 mL which meets 30% of Adequate intake. To consider printing output conditions, this model has six grapes in one bunch with a safety lid. The FDM printer and PLA filaments were used for food hygiene and safety. To stimulate cognitive functions and interests of eating, numbers one to six was engraved on the lid of the final 3D model. Conclusions: The newly-developed 3D model was designed to increase intakes of nutrients and water in the elderly with dementia during snack time. Since dementia patients often forget to eat, engraving numbers on the grapes was conducted to stimulate cognitive function related to the swallowing and chewing process. We suggest that investigations on the types of foods or fluids are needed in the developed 3D model snack dish for future studies.

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3D Printing Technology : Food Tech Analysis
Yuri Kim, Hyun-Jung Yun, Bum-Keun Kim, Hee-Don Choi, Yun-Sang Choi
Resources Science Research.2022; 4(1): 1. CrossRef

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Research Articles

[Korean]
Assessing Nutritional Status in Outpatients after Gastric Cancer Surgery : A Comparative Study of Five Nutritional Screening Tools: Jae Won Cho, Jiyoung Youn, Min-Gew Choi, Mi Young Rha, Jung Eun Lee; Korean J Community Nutr 2021;26(4):280-295. Published online August 31, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.4.280

Abstract PDF

Objectives
This study aimed to examine the characteristics of patients according to their nutritional status as assessed by five nutritional screening tools: Patient-Generated Subjective Global Assessment (PG-SGA), NUTRISCORE, Nutritional Risk Index (NRI), Prognostic Nutritional Index (PNI), and Controlling Nutritional Status (CONUT) and to compare the agreement, sensitivity, and specificity of these tools. Methods: A total of 952 gastric cancer patients who underwent gastrectomy and chemotherapy from January 2009 to December 2012 at the Samsung Medical Center were included. We categorized patients into malnourished and normal according to the five nutritional screening tools 1 month after surgery and compared their characteristics. We also calculated the Spearman partial correlation, Cohen’s Kappa coefficient, the area under the curve (AUC), sensitivity, and specificity of each pair of screening tools. Results: We observed 86.24% malnutrition based on the PG-SGA and 85.82% based on the NUTRISCORE among gastric cancer patients in our study. When we applied NRI or CONUT, however, the malnutrition levels were less than 30%. Patients with malnutrition as assessed by the PG-SGA, NUTRISCORE, or NRI had lower intakes of energy and protein compared to normal patients. When NRI, PNI, or CONUT were used to identify malnutrition, lower levels of albumin, hemoglobin, total lymphocyte count, total cholesterol, and longer postoperative hospital stays were observed among patients with malnutrition compared to those without malnutrition. We found relatively high agreement between PG-SGA and NUTRISCORE; sensitivity was 90.86% and AUC was 0.78. When we compared NRI and PNI, sensitivity was 99.64% and AUC was 0.97. AUC ranged from 0.50 to 0.67 for comparisons between CONUT and each of the other nutritional screening tools. Conclusions: Our study suggests that PG-SGA and NRI have a relatively high agreement with the NUTRISCORE and PNI, respectively. Further cohort studies are needed to examine whether the nutritional status assessed by PG-SGA, NUTRISCORE, NRI, PNI, and CONUT predicts the gastric cancer prognosis.

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Effects of Continuous Nutrition Care on Nutritional Status and Dietary Habits of Patients With Colorectal Cancer Receiving Adjuvant Chemotherapy After Surgery
Jina Son, Ha I Kang, Eun young Jung, Hae won Ryu, Kyung-Ha Lee
Clinical Nutrition Research.2023; 12(2): 99. CrossRef

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[Korean]
Awareness and Practice of Sugar Reduction in School Foodservice and the Practice of Nutrition Education in Daegu: Suhyang Jang, Kilye Kim, Yeon-Kyung Lee; Korean J Community Nutr 2021;26(3):167-176. Published online June 30, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.3.167

Abstract PDF

Objectives
This study was conducted to identify the awareness and practice of reducing sugar in school meals and the status of nutrition education regarding sugar reduction.
Methods
An online survey was conducted on 101 nutrition teachers (dietitians) working at elementary, middle, and high schools in Daegu.
Results
School nutrition teachers in Daegu recognized the need for efforts to reduce the sugar intake in the Korean diet, and it was found that elementary nutrition teachers were more aware of the implementation of the sugar reduction policy at the national level than middle and high school nutrition teachers (P = 0.002). Among the policies to reduce sugar intake at the national level, there was a high need for the promotion of self-control and limiting the sales of food with high sugar content in schools and their vicinity. The degree of practice for reducing sugar in school meals was found to be higher in the preparation, purchase, and cooking stage compared to the serving stage (P < 0.05). There was a high need for changing the preferences of the subjects for a sweet taste as a means of reducing the sugar in school meals. Thirty-six percent of nutrition teachers conducted sugar reduction education, and sending out school newsletters was the highest type of nutrition education at 80.6%.
Conclusions
To effectively promote reduced sugar intake in school meals, it is necessary to change the preference of the subjects for sweetness and to conduct continuous education that can improve the awareness of people for reducing their sugar intake. For this, it is necessary to set aside time for nutrition education and to prepare an institutional framework for providing this education.

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Learning to care in the food system: Education for Sustainable Development resources, food education and the farming of animals for food
Verity Jones, Christopher Bear
Environmental Education Research.2025; : 1. CrossRef
Analytic Hierarchy Process approach to estimate weights of menu management in the school foodservice
Hyo Bin Im, Seo Ha Lee, Hojin Lee, Lana Chung, Min A Lee
Journal of Nutrition and Health.2024; 57(3): 349. CrossRef
Sugar Intake and Perception of Sugar Reduction among University Students in Gwangju
Yeon-Ok Park
Journal of the Korean Society of Food Science and Nutrition.2023; 52(11): 1170. CrossRef
Analysis of the Perception and Need for Education about Genetically Modified Foods among Elementary, Middle and High School Parents:Focus on the Jeonnam Region
Da-Hye Choi, Bok-Mi Jung
The Korean Journal of Community Living Science.2022; 33(1): 67. CrossRef
Comparison of the Sodium and Sugar Reduction Practices at Samsam Foodservices and General Foodservices in Daegu
Sung-young Kwon, Kilye Kim, Yeon-Kyung Lee
Korean Journal of Community Nutrition.2021; 26(4): 270. CrossRef

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[English]
Development of a Zinc Database to Estimate the Zinc Intake Levels in the Korean Toddlers and Preschool Children: Su-In Yoon, Jae Eun Shim; Korean J Community Nutr 2021;26(2):103-110. Published online April 30, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.2.103

Abstract PDF

Objectives
The objective of this study was to develop a zinc database (DB) to estimate the intake levels of zinc in Korean toddlers and preschool children using the data from the Korea National Health and Nutrition Examination Survey (KNHANES). Methods: A total of 3,361 food items for the DB representing the usual diet of Korean toddlers and preschool children were selected based on KNHANES (2009~2013) and the food composition table of Rural Development Administration (RDA). The existing values of zinc in foods were collected from the latest food composition tables of RDA (9th revision) and the US Department of Agriculture (legacy release). The zinc contents were filled preferentially with these collected values. The missing values were replaced with the calculated values or imputed values using the existing values of similar food items from the data source. The zinc intake levels of Korean toddlers and preschool children were estimated using KNHANES and zinc DB Results: A total of 1,188 existing values, 412 calculated values, and 1,727 imputed values were included in the zinc DB. The mean intake levels of zinc for 1-2-year-old children and 3-5-year-olds were 5.17 ± 2.94 mg/day and 6.30 ± 2.84 mg/day, respectively.There was no significant difference in the zinc intake levels between boys and girls in each group. Conclusions: This newly developed zinc DB would be helpful to assess the zinc nutritional status and investigate the association between the zinc intakes and related health concerns in Korean toddlers and preschool children.

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Food sources of zinc and nutritional status with usual dietary zinc intake in Korean toddlers and preschool children
SuJin Song, Jae Eun Shim
Nutrition Research and Practice.2023; 17(6): 1211. CrossRef

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[English]
Relationship between the Dietary Behavior of Young Children and Their Mothers in Daejeon, Korea Using the Nutrition Quotient for Preschoolers and Adults: InYoung Jeong, SuJin Song; Korean J Community Nutr 2021;26(1):12-22. Published online February 28, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.1.12

Abstract PDF

Objectives
This study examined the association between the dietary behavior and weight status of preschool children and their mothers in Daejeon, Korea. Methods: A total of 301 mother–preschool children (aged 3~6 years) dyads were included in this study. The dietary behavior of children and their mothers was assessed using the Nutrition Quotient (NQ) questionnaire for preschoolers and adults, respectively. The NQ questionnaires were completed by the mothers. The overweight/ obesity status of children and their mothers was determined using data on height and body weight reported by the mothers. Multiple logistic regression was performed to examine the relationship between the dietary behavior and weight status of children and their mothers. Results: The mean NQ score was 58.9 ± 9.7 in children and 55.6 ± 9.2 in mothers. The NQ score was higher in boys than girls but did not vary by age. The prevalence of overweight/obesity was 27.5% in children and 46.5% in mothers. The physical activity level of mothers and their NQ scores were positively associated with the NQ scores of the children. After adjustment for covariates, the mothers in the highest tertile of NQ scores showed a lower odds ratio (OR) for the unhealthy dietary behavior of children (OR = 0.24, 95% CI = 0.11~0.53, P< 0.001) compared to those in the lowest tertile. The obese mothers showed a higher OR for children’s overweight/obesity (OR = 3.38, 95% CI = 1.68~6.80, P = 0.001) compared to normal weight mothers. Conclusions: The dietary behavior and weight status of young children and their mothers were closely linked. Nutrition education programs targeting mothers are necessary for improving maternal and child nutrition. Specifically, these programs need to be tailored to the socioeconomic characteristics or weight status of mothers.

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Development and Application of Customized Nutrition Education Content Using Personas for Married Immigrant Women: Based on the Theory of Planned Behavior and the Social Cognitive Theory
Sil-Ah Kim, Min-Ah Kim, Seung-Ah Kim, Ji-Yun Hwang
Journal of the Korean Society of Food Science and Nutrition.2025; 54(7): 614. CrossRef
Validation of the Korean Version of the Nutrition Screening Tool for Every Preschooler (NutriSTEP ® ): Using the Rasch Model
So Hyun Park, Youn-Jung Son, Hanjong Park
Journal of the American Nutrition Association.2025; : 1. CrossRef
Analysis of the factors that influence preschool children eating behavior by applying the health belief model: Seoul and Gyeonggi Province
Sung-Mi Cha, Soo-Youn Kim
Nutrition Research and Practice.2023; 17(3): 541. CrossRef
Early childhood eating behaviors associated with risk of overweight and its socio-ecological determinants in Korean preschool children
Yeri Kim, Jiye Kim, Bomi Lee, Seungyoun Jung, Seo-Jin Chung, Hyekyeong Kim, Nana Shin, Yuri Kim
Nutrition Research and Practice.2023; 17(4): 717. CrossRef
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Bo-Yeon Kim, Mi-Hyun Kim
Journal of Nutrition and Health.2021; 54(3): 292. CrossRef

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