Korean Journal of Community Nutrition

Sang Jin Chung

18 Articles

[English]
Development and User Satisfaction of a Mobile Phone Application for Image-based Dietary Assessment: Seo Yoon Kim, Sang Jin Chung; Korean J Community Nutr 2017;22(6):485-494. Published online December 31, 2017; DOI: https://doi.org/10.5720/kjcn.2017.22.6.485

OBJECTIVES
The objective of this study was to develop mobile phone application for image-based dietary assessment and evaluate satisfaction regarding respondent's use of the mobile phone application.
METHODS
We developed a mobile phone application to assess dietary intakes using 24 hour dietary recall. After initial development, application was reviewed by ten adults and revised based on their comments. We recruited 192 volunteers (92 males, 100 females) to use the mobile phone application and to respond to a satisfaction survey. Participants were instructed to use the mobile phone application with fiducial marker five centimeter in width, length and two centimeter height at each eating occasion during designated 4 days, capturing 45Â° angle and 90Â° angle images of all food and beverage items before and after consumption. After using the mobile phone application for 4 days, participants were asked to complete an online questionnaire on the satisfaction of the mobile phone app. User satisfaction items composed of 12 questions of application user interface, 8 questions of emotional response, 9 questions of eating behavior in 5 likert scale. Participants were also asked to provide additional open-ended comments on the use of mobile phone application. Statistical analysis was performed by using the SPSS 23.0 (Statistical Package for the Social Science).
RESULTS
The average user interface score was 2.82 Â± 1.08, which was close to the â€˜normalâ€™ response. Responses for emotion and eating behavior also were borderline to the â€˜normalâ€™.
CONCLUSIONS
This study found that the mobile phone application using 24-hour recall was acceptable to be used to assess dietary intakes for several days. However, there should be a need for such technology to be user-oriented instead of researcher-oriented. Easy and cost-effective new technology is needed for estimating the amounts of food eaten automatically when the photos are taken.

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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
Validity of Estimating Sodium Intake using a Mobile Phone Application of 24-hour Dietary Recall with Meal Photos
Seo-Yoon Kim, Sang-Jin Chung
Korean Journal of Community Nutrition.2020; 25(4): 317. CrossRef

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[English]
A Comparison of Sources of Sodium and Potassium Intake by Gender, Age and Regions in Koreans: Korea National Health and Nutrition Examination Survey (KNHANES) 2010-2012: Yang Hee Park, Sang Jin Chung; Korean J Community Nutr 2016;21(6):558-573. Published online December 31, 2016; DOI: https://doi.org/10.5720/kjcn.2016.21.6.558

Abstract PDF PubReader

OBJECTIVES
The purpose of this study was to evaluate the main sources of dietary sodium and potassium intake in Koreans by gender, age and regions.
METHODS
We used the data from 2010-2012 KNHANES. A total of 20,387 subjects aged 8 years and older were included. Intakes were compared by gender, age (8-18, 19-49 and >50 years) and geographical regions in Korea. Dishes were classified into 28 dish groups based on cooking methods. Statistical analysis was performed by using the SAS 9.3 and SUDAAN 11.0.1 software.
RESULTS
The mean sodium intake of Koreans was 4866.5 Â± 35.9 mg/day, which was 2.4 times higher than the adequate intake (AI) of sodium for Koreans. We found that daily sodium intakes were significantly different by age, gender and regions. Men and aged over 50 years had significantly higher sodium intake than women and other age groups. The mean potassium intake in Koreans was 3002.2 Â± 19.4 mg/day and daily potassium intakes were significantly different by age, gender and regions. Women and age 50 years and over had significantly higher potassium intakes than men and other age groups. The average Na/K ratio was 2.89 Â± 0.01 and was highest in men and in the age group of 19-49 years. The major sources of dietary sodium were soup and stew, followed by Kimchi, noodles and dumpling, pickled vegetables and seasonings, which represented 63.1 % of total sodium intakes. Soup and stew or Kimchi were the primary sources of dietary sodium intake. The major sources of dietary potassium were cooked rice, followed by soup and stew, Kimchi, fruits and beverages.
CONCLUSIONS
Sodium and potassium intakes and the major sources of those were significantly different by gender, age groups and regions. Therefore, different approaches based on gender, age and regions are needed to decrease sodium intake and increase potassium intake.

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Development and application of the sodium index to estimate and assess sodium intake for Korean adults
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Trends in sodium intake and major contributing food groups and dishes in Korea: the Korea National Health and Nutrition Examination Survey 2013–2017
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Predictive Analysis of Food Behavior and Related Factors Using Spatial Analysis: Based on Community Health Survey Data 2016
Se-Mi Jeong, Bok-Mi Jung
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The association of dietary patterns with insulin resistance in Korean adults: based on the 2015 Korea National Health and Nutrition Examination Survey
I Seul Kim, Yoon Jung Yang
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Effect of nutrition education in reducing sodium intake and increasing potassium intake in hypertensive adults
You-Sin Lee, Moo-Yong Rhee, Sim-Yeol Lee
Nutrition Research and Practice.2020; 14(5): 540. CrossRef
Comparison of Salinity and Sodium Content by the Salinity Measurement Frequency of Soups of Childcare Centers Enrolled in the Center for Children's Food Service Management in Daegu
Na-Yeong Lee, Yeon-Kyung Lee
Korean Journal of Community Nutrition.2020; 25(1): 13. CrossRef
Comparison of the sodium content of Korean soup-based dishes prepared at home, restaurants, and schools in Seoul
Yanghee Park, Jihyun Yoon, Sang-Jin Chung
Journal of Nutrition and Health.2020; 53(6): 663. CrossRef
Designing optimized food intake patterns for Korean adults using linear programming (II): adjustment of the optimized food intake pattern by establishing stepwise intake goals of sodium
Kana Asano, Hongsuk Yang, Youngmi Lee, Meeyoung Kim, Jihyun Yoon
Journal of Nutrition and Health.2019; 52(4): 342. CrossRef
The association between genetic variants of angiopoietin-like 3 and risk of diabetes mellitus is modified by dietary factors in Koreans
Clara Yongjoo Park, Jiyoung Moon, Garam Jo, Juhee Lee, Oh Yoen Kim, Hannah Oh, Hyunjung Lim, Min-Jeong Shin
Scientific Reports.2019;[Epub] CrossRef
Analysis of biogenic amines and inorganic elements in Cheonggukjang
Min-Jeong Seo, Chang-Do Lee, Ji-Na Lee, Hee-Jong Yang, Do-Youn Jeong, Gae-Ho Lee
Korean Journal of Food Preservation.2019; 26(1): 101. CrossRef
Association between Sodium Excretion and Obesity of Adults in Gwangju
Mijin Jo, Young-Ran Heo
Korean Journal of Community Nutrition.2018; 23(1): 38. CrossRef
Diet-Related Risk Factors for Incident Hypertension During an 11-Year Follow-Up: The Korean Genome Epidemiology Study
Hye Ah Lee, Hyesook Park
Nutrients.2018; 10(8): 1077. CrossRef
Study on the prevalence and incidence of urolithiasis in Korea over the last 10 years: An analysis of National Health Insurance Data
Joon Se Jung, Chang Hee Han, Sangrak Bae
Investigative and Clinical Urology.2018; 59(6): 383. CrossRef
Dietary status of young children in Korea based on the data of 2013 ~ 2015 Korea National Health and Nutrition Examination Survey
Eun-kyung Kim, Byengchun Song, Se-Young Ju
Journal of Nutrition and Health.2018; 51(4): 330. CrossRef
Effects of Sodium Intake on the Association between the Salt-Sensitive Gene, Alpha-Adducin 1 (ADD1), and Inflammatory Cytokines in the Prevalence of Children Obesity
Mi-Young Park, Myoung-sook Lee
Journal of Lipid and Atherosclerosis.2018; 7(2): 98. CrossRef
Dietary intakes of adolescents from food insecure households: analysis of data from the 6th(2013-2015) Korea National Health and Nutrition Examination Survey
Mariam Nakitto, Kana Asano, Injoo Choi, Jihyun Yoon
Nutrition Research and Practice.2017; 11(6): 507. CrossRef

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[English]
Effects of Nutrition Education Promoting Vegetable, Fruit, and Fish Intake on the Severity of Atopic Dermatitis in Children: Results from a One-year Follow Up Study: Heejin Lee, Kangmo Ahn, Youngshin Han, Sang Jin Chung; Korean J Community Nutr 2013;18(5):515-524. Published online October 31, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.5.515

Abstract PDF PubReader

Atopic dermatitis (AD) is believed to be associated with the intake of antioxidant nutrients and fatty acids due to its immunological dysfunction. The purpose of this study was to examine the effects of nutrition education promoting vegetable, fruit, and fish intake on the severity of AD in children. Children with AD aged 6 months to 5 years were randomly assigned into education and control groups, and followed for 1 year. Seventy-six children completed the study (38 for control, 38 for education). The education group received education promoting the intakes of antioxidant-rich foods (vegetables, fruits) and n-3 fatty acid foods (fish). A 24-hour food recall was collected for the diet information. After education, all vegetables (p < 0.001), fruits (p < 0.01), and fish (p < 0.05) intakes per 1000 kcal increased significantly in the education group, whereas only vegetable intake increased in the control group (p < 0.001). The SCORAD index, the severity of atopic dermatitis, decreased significantly in the education group (p < 0.05). Increased consumption of dietary vitamin E was significantly associated with reduction in the SCORAD index, after adjusting for age and gender (p < 0.05). A nutritional education program to increase vegetable, fruit, and fish intake may be effective in reducing the severity of AD, and vitamin E intake may be associated with the decreased severity of AD. More controlled studies on the relationship between these intakes and severity of AD, with intensive diet and/or supplement intervention programs, are needed to obtain conclusive results.

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Nutritional Intervention for a Korean Adolescent with Atopic Dermatitis: a Case Report
Sunghee Kim, Sung-Im Lee, Shin-Sook Kang
Clinical Nutrition Research.2021; 10(4): 364. CrossRef
Evaluation of nutritional status and adequacy of energy and nutrient intakes among atopic dermatitis children under 12 years of age: based on Korea National Health and Nutrition Examination Survey data (2013–2015)
Hye Won Kim, Ji-Myung Kim
Journal of Nutrition and Health.2020; 53(2): 141. CrossRef

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[English]
Survey on Dietary Behaviors and Intakes of Instant Noodle (Ramyeon) Soup among College Students: Hyung Sook Kim, Eun Young Lee, Kyungmin Kim, Kyung Won Kim, Jinwon Pyun, Sang Jin Chung, Young Hye Kwon, Ikhyun Yeo, Sangyun Lee, Kisun Nam; Korean J Community Nutr 2013;18(4):365-371. Published online August 31, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.4.365

Abstract PDF PubReader

High intakes of sodium may increase the risk of hypertension or cardiovascular diseases. According to the 2010 Korea National Health and Nutrition Survey, the average intake of sodium was 4,878 mg/day with salt, kimchi, soy sauce, fermented soybean paste and Ramyeon being the five main sources of sodium. In order to identify solutions to reduce the intake of sodium, we investigated the intake patterns and eating behaviors of Ramyeon among 347 college students (male 146, female 201) using survey questionnaires. The average age of study subjects was 23.7 years for males and 20.5 years for females. The average Body Mass Index (kg/m2) was 21.9 for males and 20.1 for females. The average frequency of Ramyeon intake was 2.0 times/week. The main reason for eating Ramyeon was convenience (56%), followed by good taste (27%), low price (11%) and other reasons (9%). The criteria for choosing Ramyeon were taste (72%), convenience (14%), price (7%), nutrition (1%), and the other factors (2%). Males' average intake of Ramyeon soup (61%) was higher than that of the females (36%). The estimated intake of Ramyeon soup by survey showed a positive correlation with the measured intake of Ramyeon soup. Sodium contents of Ramyeon were measured separately for the noodles and the soup, which were 1,185 mg/serving and 1,148 mg/serving each. Therefore, the amount of sodium intake can be reduced if students eat less Ramyeon soup. Also, we observed that dietary behaviors and soup intakes of Ramyeon between the sexes were different. Appropriate nutritional education for proper eating habits may help decrease the intake of sodium.

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A Cross-National Study on Selection Attributes of Instant Noodle between China and Korea
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Comparison of the sodium content of Korean soup-based dishes prepared at home, restaurants, and schools in Seoul
Yanghee Park, Jihyun Yoon, Sang-Jin Chung
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Development of a database of capsaicinoid contents in foods commonly consumed in Korea
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Food Science & Nutrition.2020; 8(8): 4611. CrossRef
Analysis of Sodium Content and Tastes of Ramyeon Cooked Using Different Recipes
Chang-Hwan Oh, Chung Ha-Yull
Korean Journal of Food and Cookery Science.2018; 34(5): 450. CrossRef
Development and User Satisfaction of a Mobile Phone Application for Image-based Dietary Assessment
Seo-Yoon Kim, Sang-Jin Chung
Korean Journal of Community Nutrition.2017; 22(6): 485. CrossRef
Association of instant noodle intake with metabolic factors in Korea: Based on 2013~2014 Korean National Health and Nutrition Examination Survey
Jee-Young Yeon, Yun-Jung Bae
Journal of Nutrition and Health.2016; 49(4): 247. CrossRef
Differences in Sodium-Intake Related Dietary Behaviors and Correlation Analysis According to Salty Taste Preference of University Students in Busan Area
Min-Ji Kang, Ki-Bo Choi, Eun-Soon Lyu
Korean journal of food and cookery science.2015; 31(4): 477. CrossRef
Study on Sodium Reduction: 'Healthy Restaurant for Sodium Reduction'
Soon Myung Hong, Jee Hye Lee, Hye-Kyung Kim, Rina Yu, Jeong Hee Seo, Eun Jeong Huh, Seong Suk Cho, Jeongah Yang
Journal of the Korean Dietetic Association.2014; 20(3): 174. CrossRef
A Study on Food Habits and Nutrient Intakes according to BMI in Food and Nutrition Major and Non-major Female Students in Kyungnam University
Eun-Hee Seo
Korean Journal of Community Nutrition.2014; 19(4): 297. CrossRef
Diet-Related Health Risk Appraisal for Cardiometabolic Diseases of the College Students in Gyunggi-do
Hyung-Sook Kim
The Korean Journal of Community Living Science.2014; 25(1): 89. CrossRef

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[English]
The Comparison of Growth and Nutrient Intakes in Children with and without Atopic Dermatitis: Seung Joo Park, Jae Sun Lee, Kangmo Ahn, Sang Jin Chung; Korean J Community Nutr 2012;17(3):271-279. Published online June 30, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.3.271

Abstract PDF PubReader

The prevalence of atopic dermatitis (AD) has increased recently all over the world. Several studies worldwide reported growth retardation associated with AD, but few studies were reported in Korea. Therefore, the objective of this study was to identity the differences in growth and nutrient intakes between Korean children with and without AD. The participants were 71 AD children and age, gender-matched 81 control children aged 10 to 36 months. Demographic information was gathered by questionnaires. Height and weight were measured at clinic and health centers. Height and weight for age, and weight for height were converted as deviation in Z scores using World Health Organization Standard. A 24 hour dietary recall method was performed to estimate nutrient intakes. A higher percentage of AD children had insufficient energy and intakes of calcium, phosphorus, iron, zinc and vitamin B2 , defined as intakes lower than 75% of the Dietary Reference Intakes for Korean, compared to the control group (P < 0.001, P < 0.001 0.001, P = 0.003, P = 0.001, P = 0.014, P = 0.001, respectively). The percentages of children with height and weight for age Z score below than-1 (stunted) were significantly higher in the AD group (P < 0.001 0.001 and P < 0.001 0.001, respectively). Multiple food restriction, defined as > or = 3 food elimination, was associated with insufficient energy and intakes of calcium, phosphorus, iron, zinc, vitamins A and B2 . In conclusion, children with AD need regular nutrient assessment and education about alternative food choices to avoid r food elimination in order to prevent growth retardation or inadequate nutrient intakes. Further longitudinal studies for growth and nutrient intakes should be performed to understand the patterns of growth in children with AD.

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Relationship between intake of soft drinks and current prevalence of adult atopic dermatitis: based on the Korea National Health and Nutrition Examination Survey data (2015-2016)
Hye Won Kim, Ji-Myung Kim
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The status of food allergy and parental burden of preschoolers in Jeju area
Jeong Eun Oh, Eunyoung Kim, Yunkyoung Lee
Journal of Nutrition and Health.2021; 54(6): 664. CrossRef
Evaluation of nutritional status and adequacy of energy and nutrient intakes among atopic dermatitis children under 12 years of age: based on Korea National Health and Nutrition Examination Survey data (2013–2015)
Hye Won Kim, Ji-Myung Kim
Journal of Nutrition and Health.2020; 53(2): 141. CrossRef
Food Allergy-related Awareness and Performance of Dietitians at Children's Hospitals in Korea: Comparison of Certificate Possession among Clinical Dietitians
Hye-Ran Shin, Sook-Bae Kim
Korean Journal of Community Nutrition.2019; 24(6): 512. CrossRef
Relation of Nutritional Intake and Allergic Rhinitis in Infants: Using the Korea National Health and Nutrition Examination Survey (KNHANES) 2013~2016
Eun-Sil Her, Bo-Young Seo
Korean Journal of Community Nutrition.2019; 24(4): 321. CrossRef
Food allergic reactions in the community: a questionnaire survey of caregivers
An Deok Seo, Jun Yeol Lee, Song I Yang, Hye Ran Lee, So-Yeon Lee
Allergy, Asthma & Respiratory Disease.2017; 5(1): 27. CrossRef
The change in food allergy prevalence of elementary school children in Seoul since the last 20 years and the risk factor analysis
Yeong-Ho Kim, So-Yeon Lee, Eun Lee, Hyun-Ju Cho, Hyo-Bin Kim, Ji-Won Kwon, Song-I Yang, Eun-Jin Kim, Jeom-Kyu Lee, Soo-Jong Hong
Allergy, Asthma & Respiratory Disease.2016; 4(4): 276. CrossRef
Nutrient intakes of infants with atopic dermatitis and relationship with feeding type
Youngshin Han, Youngmi Lee, Haeryun Park, Sunyoung Park, Kyunghee Song
Nutrition Research and Practice.2015; 9(1): 57. CrossRef
Perception on food allergy labelling and management of nutritional education among higher grade elementary school students in Jeju area
Yunkyoung Lee, Hyun-Hee Kim, Yang-Sook Ko
Journal of Nutrition and Health.2015; 48(6): 530. CrossRef
Survey of food allergy in elementary school children in Bucheon-city and relationship between food allergy and other allergic diseases
Jae Young Park, Ga Young Park, Young Shin Han, Mee Yong Shin
Allergy Asthma & Respiratory Disease.2013; 1(3): 266. CrossRef
Nutrient Intake and Food Restriction in Children with Atopic Dermatitis
Hyunjin Lim, Kyunghee Song, Ran Kim, Jiyeon Sim, Eunah Park, Kangmo Ahn, Jihyun Kim, Youngshin Han
Clinical Nutrition Research.2013; 2(1): 52. CrossRef

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[English]
The Relationship between High Energy/Low Nutrient Food Consumption and Obesity among Korean Children and Adolescents: Gyu Jin Heo, So Young Nam, Soo Kyung Lee, Sang Jin Chung, Ji hyun Yoon; Korean J Community Nutr 2012;17(2):226-242. Published online April 30, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.2.226

Abstract PDF PubReader

Consumption of foods with high energy and low nutrient values has been linked to various health issues including obesity and chronic diseases. This study investigated the high-energy/low-nutrient food consumption status and its relationship with obesity status and intake of energy and nutrients, using the Korea National Health and Nutrition Examination Survey (KNHANES) and the Korea Youth Risk Behavior Web-based Survey (KYRBWS). The prevalence of overweight and obesity among 2-18 year-olds was 8.4% and 10.8% in 2008 and 8.5% and 9.0% in 2009, respectively, in KNHANES. The prevalence of obesity among 12-18 year-olds was 13.9% in 2008 and 11.4% in 2009 in KNHANES, while it was 8.1% in 2008 and 8.2% in 2009 in KYRBWS. Consumption patterns of high-energy/low-nutrient foods were diverse depending on the particular food type. High-energy/low-nutrient foods such as cookies were most often consumed more frequently (2~3 times per week), but fast food type foods were generally consumed less frequently (once per week or less). No significant relationships between high-energy/low-nutrient food consumption and level of energy and nutrient intakes were found in either datasets. Adolescents who were not obese more frequently consumed ramen (p < 0.001), cookies (p < 0.001) and fast food (p < 0.001) than those who were obese in KYRBWS, however, such relationships were not found in KNHANES. This direction of the relationship could be probably attributed to the cross-sectional nature of the datasets. This study was limited by the cross-sectional nature of the data, therefore, further longitudinal research using various study techniques would be necessary to understand the effects of high-energy/low-nutrient foods on child obesity.

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[English]
Excessive Food Restriction in Children with Atopic Dermititis: Seokhwa Lee, Heejin Lee, Youngshin Han, Kangmo Ahn, Sangil Lee, Sang Jin Chung; Korean J Community Nutr 2011;16(6):627-635. Published online December 31, 2011; DOI: https://doi.org/10.5720/kjcn.2011.16.6.627

Abstract PDF PubReader

The prevalence of Atopic Dermatitis (AD), a non-infective chronic inflammatory skin disease, is increasing worldwide. Avoiding the allergen is the basic principle in the treatment of AD. However, when the allergen is food, excessive restriction can lead to nutrition deficiency. The objective of the study was to examine the status of the dietary restriction and compare the caregiver's restriction practice with doctor's recommendation in Korean children with AD. A total of 158 children diagnosed with Atopic Dermatitis were recruited for this study. Information about foods that aggravate AD symptoms and food restriction were collected from the mothers of 158 children aged 6 month-5 year with AD using questionnaires. Food restriction recommendation by doctor was collected through medical chart. McNemar and Margianl homogeneity tests were used to detect a relationship between food restriction recommended by doctor and current practice by mother. There were significant proportion differences of food restriction for each food between by doctor and mother. We found 75.9% of children were avoiding eggs although only 61.4% were recommended for egg restriction by a doctor. Children with restriction of more than 4 kinds of food were 53.2% compared to 13.3% by doctor. Excessive restrictors tended to be younger and diagnosed at younger age. The caregivers of excessive restrictors had trends of "being older" and "having higher income". Avoidance of common foods in children without food allergy could result in malnutrition or impaired growth. Nutrition education is needed for sound practice and nutrition care in children with Atopic Dermatitis as well as interactive communication between caregivers and experts.

Citations

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Relationship between intake of soft drinks and current prevalence of adult atopic dermatitis: based on the Korea National Health and Nutrition Examination Survey data (2015-2016)
Hye Won Kim, Ji-Myung Kim
Journal of Nutrition and Health.2021; 54(5): 501. CrossRef
Evaluation of nutritional status and adequacy of energy and nutrient intakes among atopic dermatitis children under 12 years of age: based on Korea National Health and Nutrition Examination Survey data (2013–2015)
Hye Won Kim, Ji-Myung Kim
Journal of Nutrition and Health.2020; 53(2): 141. CrossRef
Risk factors for food allergy among children in Seoul: focusing on dietary habits and environmental factors
Mijung Jang, KyooSang Kim
Journal of Nutrition and Health.2019; 52(6): 559. CrossRef
Study on Food-Intake and Atopic Dermatitis among Adolescents : Findings from the Korea Youth Risk Behavior Web-based Survey
Jee Hye Lee
Journal of the Korean Dietetic Association.2016; 22(2): 79. CrossRef
Comparison of elementary school students in atopy-friendly and general schools for their knowledge about environmentally-friendly produces and practice levels for dietary guidelines
Sang-Mi Lee, Hoikyung Kim
Korean Journal of Human Ecology.2014; 23(4): 733. CrossRef
The Comparison of Growth and Nutrient Intakes in Children with and without Atopic Dermatitis
Seung-joo Park, Jae Sun Lee, Kangmo Ahn, Sang-Jin Chung
Korean Journal of Community Nutrition.2012; 17(3): 271. CrossRef

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[English]
Associated Factors with Severity of Atopic Dermatitis in Children: Jae Sun Lee, Sunmi Jo, Heechul Lee, Kangmo Ahn, Sang Jin Chung; Korean J Community Nutr 2010;15(6):776-782. Published online December 31, 2010

Abstract PDF: The prevalence of atopic dermatitis (AD) has increased over the past decades. A variety of factors are related to the development of atopic dermatitis, including genetics and environmental factors. The purpose of the study was to examine factors associated with severity of atopic dermatitis in 104 children aged 6-60 months. To investigate the association between severity and other factors children were divided into two groups, mild (n = 62) and severe (n = 42) groups, based on SCORAD index which measures the severity of atopic dermatitis. Results showed that family history, family's smoking, period of having AD and the levels of the serum total IgE were significantly higher in severe group. More than 6 months of breastfeeding and weaning after 6 month were not associated with severity of AD, but the number of food eliminated was associated with severity. Only vitamin C intake was significantly different by severity after adjusting for energy intake, family history, family's smoking and period of having AD (p = 0.033). There was no association between the severity of atopic dermatitis and growth of children. This study concluded that the severity of atopic dermatitis was associated with family history, family's smoking, period of having AD, children's serum total IgE, and vitamin C intakes. The result of this study should provide the significant information for better management of AD.

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[English]
Effect of School Breakfast Service on Attitudes Toward Breakfast and School Breakfast of Male Middle School Stu: Gajin Yi, Jihyun Yoon, Yun Jeong Choo, Sang Jin Chung, Young Hye Kwon; Korean J Community Nutr 2009;14(3):277-285. Published online June 30, 2009

Abstract PDF: This study was conducted to analyze the effect of male middle school students'eating school breakfast on their attitudes toward breakfast and school breakfast. In addition, the effect of school breakfast on breakfast-related eating behaviors and academic achievement was investigated. The study subjects were selected from a male middle school located in Gyeonggi-do, Republic of Korea. Breakfast was provided at the school for 7 weeks during the 2nd semester of the year 2006. Two sophomore classes were selected for the experimental study. All the students from one class (n = 34; School Breakfast Eaters) have eaten school breakfast while none of the students from the other class (n = 33; School Breakfast Non-eaters) have done so. About two weeks after the school breakfast service was terminated, questionnaires were distributed to the two classes and the responses were analyzed. The results showed that School Breakfast Eaters had more positive attitudes toward breakfast and school breakfast than School Breakfast Non-eaters. In addition, School Breakfast Eaters perceived the positive effect of eating breakfast on their school life more highly than School Breakfast Non-eaters. However there was no significant difference between the two groups in their breakfast eating behaviors in terms of breakfast skipping when the breakfast service was not available. No significant difference was found between the two groups with regards to math score variation before and after school breakfast service. In conclusion, school breakfast for 7 weeks had positive effects on male middle school students'attitudes toward breakfast and school breakfast, although the effect was not confirmed in their breakfast-related eating behaviors after the school breakfast service was terminated.

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[English]
Program Evaluation and Public Relations: Sang Jin Chung; Korean J Community Nutr 2008;13(5):790-793. Published online October 31, 2008

Abstract PDF: No abstract available.

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[English]
Factors Associated with Skipping Breakfast in Korean Children: Analysis of Data from the 2001 National Health and Nutrition Survey: Yoon Jae Yeoh, Ji hyun Yoon, Jae Eun Shim, Sang Jin Chung; Korean J Community Nutr 2008;13(1):62-68. Published online February 29, 2008

Abstract PDF: The purpose of this study was to identify the factors associated with skipping breakfast of Korean children by analyzing the 24-hour recall intake data from the 2001 National Health and Nutrition Survey. The sample of this study consisted of 1,600 children aged 7 to 18 years. About 17% of the children skipped breakfast, consuming no food or beverage at all. About 30% of children reporting breakfast skipping in a self-administered survey were shown to have eaten some foods as a result of analysis of the 24-hour recall data. Students having eaten breakfast consumed 21% of Estimated Energy Requirement at breakfast. The multivariate logistic regression analyses showed that age was associated with skipping breakfast both in elementary and middle/high school students; older students were more likely to skip breakfast. Elementary school students from low-income families were more likely to skip breakfast than those from upper-high income families. Intervention programs are needed to prevent children from skipping breakfast by targeting older students. For elementary school students, such programs should be first developed for those from lowincome families.

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[English]
Characteristics of Infants' Temperaments and Eating Behaviors, Mothers' Eating Behaviors and Feeding Practices in Poor Eating Infants: Yoonjung Kim, Young Shin Han, Sang Jin Chung, Yoonna Lee, Sang Il Lee, Haymie Choi; Korean J Community Nutr 2006;11(4):449-458. Published online August 31, 2006

Abstract PDF: The purpose of this study was to determine the characteristics of infants' temperaments and eating behaviors, mothers' eating behaviors and feeding practices in poor eating infants. The participants were 80 infants of 12 - 24 months (27 poor eaters and 53 matched normal controls) from a hospital and a public health center. Mothers were questioned about their eating behaviors and feeding practices, and infants' temperaments, eating behaviors, and nutrient intakes by one day food recall. Subjects were divided by mean nutrient adequacy ratio (MAR, < 0.75; poor eater). Intakes of Ca, P, Fe, Zn, thiamin, riboflavin, niacin, vitamin C, E, folate were below 75% RDA in poor eaters, whereas protein, thiamin, riboflavin, vitamin B6, C, folate exceeded 125% RDA in good eaters. Rhythmicity of infants' temperaments and eating behaviors, restriction of mothers' eating behaviors and feeding practices were significantly lower, whereas activity levels of infants' temperaments were higher than good eaters. In multiple logistic regression model of poor eaters, activity of infants' temperaments (T, OR: 1.19, CI: 1.05 - 1.35) and attention spans of infants' eating behaviors (A, OR: 1.18, CI: 1.03 - 1.35) were significantly positive, whereas rhythmicity of infants' eating behaviors (R, OR: 0.79, CI: 0.67 - 0.94) was significantly negative [E (the logit) = -6.8644 + 0.1712 x T - 0.2337 x R + 0.1641 x A]. Our findings suggest that examination of eating behaviors, feeding practices, and temperaments will help target interventions to improve infants' food intakes, and these variables should be examined at the time of nutrition counseling.

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[English]
Satisfaction of Elementary Students Eating School Lunch; Association with Level of Involvement in School Lunch Service: Jihyun Yoon, Yun Jeong Choo, Sang Jin Chung, Si Hyun Ryu; Korean J Community Nutr 2005;10(5):668-676. Published online October 31, 2005

Abstract PDF: The purpose of this study was to determine the relationship between the students' levels of involvement in school lunch service and their satisfaction levels with the service. A survey was conducted with 5th and 6th grade elementary students eating school lunches. Out of 1,680 questionnaires distributed to the students from 14 schools, 1,254 complete questionnaires (74.6%) were analyzed. The questionnaire included two 5-point multi-item scales for measuring levels of involvement in and satisfaction with school lunch service, respectively. A factor analysis grouped 20 items measuring school lunch satisfaction into three factors: 'food satisfaction', 'nutrition & sanitation satisfaction', and 'service & environment satisfaction'. As a result of multiple regression analyses controlling the influence of such variables as students' grades, gender, school location, years and places of eating school lunches, students' levels of involvement in school lunch service was proven to be positively associated with levels of school lunch satisfaction overall, as well as satisfaction levels in regard to 'food', 'nutrition & sanitation', and 'service & environment', respectively. It was suggested that efforts such as nutrition education to increase students' levels of involvement in school lunches could be a useful strategy to improve students' satisfaction with school lunch service.

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[English]
The Characteristics of Infants' Temperament, Maternal Feeding Behavior and Feeding Practices in Picky Eaters: Yoon Jung Kim, Sang Jin Chung, Young Shin Han, Yoonna Lee, Sang Il Lee, Ki Won Byun, Haymie Choi; Korean J Community Nutr 2005;10(4):462-470. Published online August 31, 2005

Abstract PDF: The purpose of this study was to determine the characteristics of infants' temperaments, maternal feeding behaviors and feeding practices in picky eaters. Participants were 83 infants (aged 12 - 24 months) from "A" hospital (Seoul) and "B" public health center (Kyunggido). Mothers completed questionnaires that assessed their own feeding behavior, feeding practices, infants' temperament and infants' feeding behavior. Picky eaters' demographics were not significantly different from non-picky eaters after adjusting sex and age. The average of thiamin, niacin and vitamin E intakes of picky eaters were below 75% Korean RDA, whereas vitamin A intakes exceed 120% RDA in both groups. Activity level of infants' temperament and disinhibition of maternal feeding behavior in picky eaters were significantly higher than those in non-picky eater. All constructs of infants feeding behavior were significantly associated with certain constructs of infants' temperament, maternal feeding practice and maternal feeding behavior. The pickiness of infants feeding behavior was positively correlated with activity level of infants' temperament, pickiness and disinhibition of maternal feeding behavior and negatively correlated with adaptability of infants' temperament. Findings suggest that maternal feeding behavior and feeding practices as well as infants' temperament should be addressed in nutrition education for picky eaters.

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[English]
Sensitization of Food Allergen in Breastfed Infant with Atopic Dermatitis: Young Shin Han, Sang Jin Chung, Kang Mo Ahn, Kwang Shin Lee, Hay Mie Choi, Sang Il Lee; Korean J Community Nutr 2005;10(3):264-270. Published online June 30, 2005

Abstract PDF: Breastfeeding has been known as the best feeding practice to prevent allergies including atopic dermatitis (AD). However, the benefit on the prevention of allergic disease is still controversial. The objectives of this study were to examine the rate of sensitization to the protein of eggs, cow's milk and soy in exclusively breastfed infants and to evaluate antigen-antibody reaction between breast milk and serum of AD infant. Data on feeding and food hypersensitivity were obtained for 62 AD infants (32 male, 30 female) aged < 6 month who had visited Samsung Medical Center from September 2001 to May 2003. Food hypersensitivity was determined by measuring specific IgE to egg, cow's milk and soy. Specific IgE levels > 0.7 kU/L by CAP assay (Pharmacia, Uppsala, Sweden) were considered positive. The rates of sensitization in breastfed infants were 41.9% (26/62) to egg, 30.6% (19/62) to milk and 18.0% (11/62) to soy. Immunoblotting analyses were performed using breast milk with the matched serum of seven AD infants (4 male/3 female). Binding patterns of AD infant's IgE to breast milk extract showed visible specific band for immunoglobulin, especially in case of a lactating mother who did not completely restricted ingestion of egg, milk and soy. These results indicate that sensitization to food allergen develops via breast milk feeding. Breast milk feeding should be recommended in infants at risk of developing allergic disease, but maternal intake of highly allergenic food might be restricted for prevention and treatment of food allergy among the babies with AD.

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[English]
Factors Associated with Breakfast Skipping in Elementary School Children in Korea: Sang Jin Chung, Yoonna Lee, Sunja Kwon; Korean J Community Nutr 2004;9(1):3-11. Published online February 29, 2004

Abstract PDF: The objective of this study was to examine relationships between breakfast skipping and ecological factors related to eating practice. Participants were 537 children (male: 274, female: 263) from two elementary schools in Kyunggido (School A) and Seoul (School B). Analysis included cross-tabulation of demographics, factors related to eating practice and weight status, frequency of breakfast skipping and types of breakfast and the number of foods at breakfast by schools. Logistic regression were conducted to identify the factors associated with breakfast skipping. Children in school B showed higher socioeconomic status by living environment and the type of fathers' job than those in school A. Eighty six percent of children in school B and 75% in school A ate breakfast 5 times and more per week. School and father's occupation differences correlated with the frequency of breakfast, but not mother's employ status was not. After controlling school, type of father's job, mother's employ status, eating breakfast 5 times and more was associated with eating with other family members, feeling hungry before breakfast, normal weight status, eating Korean traditional meal type and number of food eaten at breakfast. The results stress the need for intervention programs aimed at decreased skipping breakfast among elementary school children. While programs need to reach all children skipping breakfast, approaches need to be suitable to in particular those from low socioeconomic backgrounds.

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[English]
Analysis of the Rate of Sensitization to Food Allergen in Children with Atopic Dermatitis: Young Shin Han, Sang Jin Chung, Young Yun Cho, Hay Mie Choi, Kang Mo Ahn, Sang Il Lee; Korean J Community Nutr 2004;9(1):90-97. Published online February 29, 2004

Abstract PDF: The purpose of this study was to determined the rate of sensitization to food allergen in children with Atopic Dermatitis (AD) in Korea. A total of 3,783 patients (male = 1983, female = 1800) with AD (age under 18 years) who had visited Samsung Medical Center from 1998 to 2003 were enrolled in the study. Food hypersensitivity was measured by specific IgE to egg, cow's milk, soy, peanut, wheat, buckwheat, beef, pork, chicken, shrimp, crab, salmon, mackerel, etc. Specific IgE levels >0.7 kU/L by Captured Allergen Product (CAP) assay were considered positive. Chi-square test at p value < 0.05 was used to examine the difference of the prevalence by sex and age. The rate of sensitization to multiple food allergens was 31.2% and decreased with age. Hypersensitivity to egg showed highest prevalence, which was 24.3%, compared to the prevalence of other foods. High prevalence of hypersensitivity to milk, wheat, soy, peanut, crab or shrimp was observed (11.6 - 17.7%). Low prevalence of hypersensitivity to beef, pork, tuna or chicken was observed (1.9 - 3.5%). Children aged under 3 years had significantly higher prevalence of hypersensitivity to egg, milk, soy and beef than children aged at least 3 years. Our results stress the need for examination of food hypersensitivity aimed at identified and limited each food allergen among children with AD caused by food to help patients outgrow their food allergy.

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[English]
Cross-sectional Study of Growth of Korean Breast Fed Formula Fed Infants from 1 to 3 Postpartum Months: Kyungsuk Choi, Haymie Choi, Sang Jin Chung, Jaeok Koo, Hyeon Sook Lim; Korean J Community Nutr 1997;2(1):3-12. Published online February 28, 1997

Abstract PDF: One-to three -month-old infants(n=252) were compared their growth performance(weight, length, head circumference, chest circumference) by feeding methods in cross-sectional study. There were two groups : breast-fed(BF) and formula-fed groups(FF). The weights of infants at 1, 2, and 3 postpartum month were 4.50+/-.48kg, 5.76+/-0.62kg and 6.67+/-0.68kg, respectively. The weigh of male infants was higher than females. The length were 53.7+/-2.6cm, 57.4+/-3.3cm, 61.1+/-3.1cm at one to three postpartum months, respectively. The length of male infants was higher than females, too. Overall there were no significant differences between feeding methods in weight, length, head and chest circumferences, and monthly weight and length velocity. But 3-month-old formula-fed male infants showed bigger significantly in weight, monthly weight velocity and chest circumference than the breast-feds. By Korean standards, weight-for-height Z-score were distributed from 0 to +2. Not only was there a few malnourished infants but also overnourished were noticed, especially in formula-fed group.

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