Korean Journal of Community Nutrition

Original Articles

[English]
Analysis of Factors Affecting Breakfast Eating Behavior of Children in Indonesia: An Application of the Health Belief Model: Ran Yi Kang, Soo Jin Lee, Ho Kyung Ryu; Korean J Community Nutr 2020;25(1):1-12. Published online February 29, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.1.1

OBJECTIVES
This study investigates the current state of consuming breakfast among elementary school students residing in Malang, East Java, Indonesia, and to identify factors that influence breakfast behavior.
METHODS
The research model was set up as per the health belief model, and slightly modified by adding the subjective normative factors of the theory of planned behavior. The survey was conducted from July 17 to August 15, 2017 using a questionnaire, after receiving the permission PNU IRB (2017_60_HR).
RESULTS
The subjects were 77 boys (49.4%) and 79 girls (50.6%) suffering from malnutrition with anemia (21.2%) and stunting ratio of Height for Age Z Score (HAZ) (11.5%). Furthermore, moderate weakness (14.8%) and overweight and obesity (12.3%) by Body Mass Index for Age Z Score (BMIZ) were coexistent. According to the results obtained for breakfast, 21.8% did not eat breakfast before school, with 18.8% of the reasons for skipping breakfast being attributed to lack of food. Even for subjects partaking breakfast, only about 10% had a good balanced diet. The average score of behavioral intention on eating breakfast was 2.60 Â± 0.58. The perceived sensitivity, perceived severity, perceived benefits, and self-efficacy of the health belief model correlated with breakfast behavior. Of these, self-efficacy (Î²=0.447, RÂ²=0.200) and perceived sensitivity (Î²=0.373, RÂ²=0.139) had the greatest effect on breakfast behavior. Mother was the largest impact person among children.
CONCLUSIONS
In order to increase the level of breakfast behavior intention among children surveyed in Indonesia, we determined the effectiveness by focus on education which helps the children recognize to be more likely to get sick when they don't have breakfast, and increase their confidence in ability to have breakfast on their own. We believe there is a necessity to seek ways to provide indirect intervention through mothers, as well as impart direct nutrition education to children.

Citations

Citations to this article as recorded by

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
Evaluation of dietary behavior and investigation of the affecting factors among preschoolers in Busan and Gyeongnam area using nutrition quotient for preschoolers (NQ-P)
Soo-Youn Kim, Sung-Mi Cha
Journal of Nutrition and Health.2020; 53(6): 596. CrossRef
Psychoactive substance use among Chinese non-engaged youth: The application of the Health Belief Model
Phoenix Kit-han Mo, Joseph Tak Fai Lau
Children and Youth Services Review.2020; 113: 105008. CrossRef

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[English]
Effects of Educational Intervention about Breastfeeding on University Students' Knowledge and Attitudes toward Breastfeeding: Focusing on Gender Differences: Jo Yoon Lee; Korean J Community Nutr 2018;23(1):1-12. Published online February 28, 2018; DOI: https://doi.org/10.5720/kjcn.2018.23.1.1

Abstract PDF PubReader: OBJECTIVES
The purpose of this study was to examine the impact of a targeted, practical education intervention on university students' knowledge and attitudes toward breastfeeding.
METHODS
A university curricular intervention was designed for students to increase their knowledge and positive attitude toward breastfeeding issues. The participants attended a breastfeeding education lectures two hours of weekly for fifteen weeks in university; 61 students (female, n=31 and male, n=30) participated. The pre- and post-measurements included future breastfeeding intention, knowledge, attitude and perceived control beliefs scores based on the results of a questionnaire.
RESULTS
The statistical analysis results revealed a significant difference in the pretest and posttest scores (0.57 to 5.10 points, p < 0.001) in regard to the students' breastfeeding knowledge. For female students, significant differences were observed in the future breastfeeding intention (p < 0.05), knowledge (p < 0.001), and attitudes towards breastfeeding (p < 0.05) between the pretest and posttest scores. For male students, there were no significant differences in the future breastfeeding intention, attitudes towards breastfeeding, and perceived control beliefs scores after the breastfeeding education lecture.
CONCLUSIONS
This study showed that the implementation of practical breastfeeding educational interventions helped improve university students' knowledge and attitudes toward breastfeeding. In summary, despite the limitations, it is necessary to pay more attention to improving students' knowledge and attitudes towards breastfeeding through university curricula.

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[English]
The Development of a Nutrition Education Program for Low-income Family Children by applying the Social Cognitive Theory and Health Belief Model: Saes Byoul Lee, Yu Ri Jeong, Hyo Jin Ahn, Min Ji Ahn, Su A Ryu, Nam E Kang, Se Young Oh; Korean J Community Nutr 2015;20(3):165-177. Published online June 30, 2015; DOI: https://doi.org/10.5720/kjcn.2015.20.3.165

Abstract PDF Supplementary Material PubReader

OBJECTIVES
Based on individual and environmental characteristics of low-income children, we developed a nutrition education program for school-aged children from low-income families according to effective use in social welfare centers.
METHODS
We conducted in-depth group interviews to assess program needs in 28 participants, 10 low-income school-aged children and 9 of their care givers, 9 social workers and 9 care-givers. Theoretical backgrounds of our program were heath belief model and social cognitive theory considering motivation, action and environment characteristics.
RESULTS
Based on the findings of this qualitative study, we developed major program themes and contents. Five selected key themes were 'balanced diet', 'processed food', 'food hygiene and safety', 'Korean healthy traditional diet', and 'family cooking' to induce changes in dietary behaviors. Main findings of in-depth group interviews included 'child's active participation', 'simple and easy to understand messages', and 'environmental constraints' such as a lack of child care at home, limited budget of social welfare centers, and less qualified educators for nutrition and health. Each lesson was constructed as a 1-hour program particularly emphasizing activity-based programs, including cooking and teamwork exercises. Program contents in each session consisted of activities that could induce outcome and value expectations, self-efficacy, perceived benefits, and barriers and cues to actions regarding diet behavior.
CONCLUSIONS
We developed a nutrition education programthat is rarely available for low-income children in Korea, considering theoretical bases. Further studies are needed to validate our program.

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Yerin Kim, Gyeong Seob Shin, Jungwon Park, Minji Kang, Kumhee Son, Yoon Myung Kim, Kyung Hee Park, Hyunjung Lim
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A Qualitative Study of the Awareness and Influencing Factors of the Dietary Habits of the Male and Female Workers' at a Manufacturing Facility in Gwangju
Ji Suk Yim, Young-Ran Heo
Korean Journal of Community Nutrition.2022; 27(1): 12. CrossRef
Evaluation of the Need for Obesity Prevention Education Programs through Analysis of Factors Affecting Student Obesity Factors in Seoul during the COVID-19 Pandemic
Seoung Hi Kim, Seonyeong Baek, Min Jeong Choi, Sunny Ham
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Evaluation of a Nutrition Education Program Designed to Reduce Sugar Intake in Preschool Children
Ma-Young Yeom, Youn-Ok Cho
Journal of the Korean Dietetic Association.2016; 22(3): 179. CrossRef
Status of Dietary Life Related Knowledge, Self-Efficacy, Food Preference and Dietary Behavior of Preschoolers in Kyunggi Area
A Reum Lee, Ye Lee Yu, Hye Jin Kim, Kyung A Kim, Kyung Won Kim
Korean Journal of Community Nutrition.2016; 21(3): 274. CrossRef
Perception on Optimal Diet, Diet Problems and Factors Related to Optimal Diet Among Young Adult Women Using Focus Group Interviews: Based on Social Cognitive Theory
Hye Jin Kim, A Reum Lee, Kyung Won Kim
Korean Journal of Community Nutrition.2016; 21(4): 332. CrossRef

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[English]
Development of Nutrition Education Program for Hypertension Based on Health Belief Model, Applying Focus Group Interview: Seoyun Park, Jong Sook Kwon, Cho il Kim, Yoonna Lee, Hye Kyeong Kim; Korean J Community Nutr 2012;17(5):623-636. Published online October 31, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.5.623

Abstract PDF PubReader

Health Belief Model is a socio-psychological theory of decision making to individual health-related behaviors. This study was aimed to develop an effective education program for hypertension based on health belief model. The main factors of health belief model were investigated by focus group interview (FGI) with 23 hypertensive or prehypertensive subjects aged over fifty years. 'Perceived susceptibility' to hypertension was family history, neglect of health care, preference for salty food, broth of soup and stew. Lifelong medication, complications, and medical costs were reported as 'perceived severity' of hypertension. 'Perceived benefits' of hypertension management were decrease of medicinal dose, reduction of medical costs, and healthy eating habits of the family, while 'perceived barriers' were lack of palatability of low salt diet, convenience-oriented dietary habits, and limited choice of foods when eating out. Subjects mentioned TV health programs, public health center programs, and advice from doctors and family as 'cues to action' of hypertension management. These qualitative information provided basis for developing a nutrition education program for hypertension which could be implemented in the public health center. Eight week program was composed of understanding hypertension, risk factor management (eating habits, weight), low salt diet (principles, cooking), advanced management for healthy diet in 2 sessions, and summary. Each session was designed to alert the susceptibility and severity, to emphasize the benefits, and to reduce the barriers by providing dietary monitoring, practical advice, and action tips.

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Dietary habits and nutrient intake status of university students according to obesity risk based on body mass index and percent body fat
Chae Hong Lee, Kyung A Lee
Journal of Nutrition and Health.2023; 56(6): 714. CrossRef
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Ji Suk Yim, Young-Ran Heo
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Consumption of Weight-control or Health Functional Foods, Dietary Habits, and Weight Perceptions According to the Body Mass Index of Adult Women in the Chungcheong Area
Gayoung Seong, Munkyong Pae
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Comparison of low-salt preference trends and regional variations between patients with major non-communicable diseases and the general population
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Association between Sodium Excretion and Obesity of Adults in Gwangju
Mijin Jo, Young-Ran Heo
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Effect of a public health center-based nutrition education program for hypertension in women older than 50 years of age
Seoyun Park, Jong-Sook Kwon, Hye-Kyeong Kim
Journal of Nutrition and Health.2018; 51(3): 228. CrossRef
Perception on Optimal Diet, Diet Problems and Factors Related to Optimal Diet Among Young Adult Women Using Focus Group Interviews: Based on Social Cognitive Theory
Hye Jin Kim, A Reum Lee, Kyung Won Kim
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Status and Need Assessment on Nutrition & Dietary Life Education among Nutrition Teachers in Elementary, Middle and High Schools
Na Gyeong Oh, Su Jin Gwon, Kyung Won Kim, Cheong Min Sohn, Hae Ryun Park, Jung Sook Seo
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Evaluation of Obesity and Nutritional Status by Age among Low-income Women aged over 20 -Using Data from the Fourth Korea National Health and Nutrition Examination Survey-
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Journal of the East Asian Society of Dietary Life.2015; 25(2): 246. CrossRef
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PLoS ONE.2014; 9(1): e84238. CrossRef
Development of Nutrition Education Program for Consumers to Reduce Sodium Intake Applying the Social Cognitive Theory: Based on Focus Group Interviews
So-Hyun Ahn, Hye-Kyeong Kim, Kyung Min Kim, Jin-sook Yoon, Jong Sook Kwon
Korean Journal of Community Nutrition.2014; 19(4): 342. CrossRef
Factors affecting Weight-Control Behavior Intention in Female College Students: Based on the Theory of Planned Behavior
Eun Ju Kim
Journal of Korean Academy of Community Health Nursing.2013; 24(2): 195. CrossRef
Comparison of practice of dietary guidelines and health beliefs according to stage of weight loss behavior change among male workers
Su Jeong Song, HongSeok Ahn, Jinmo Khil
Journal of Nutrition and Health.2013; 46(3): 276. CrossRef
A Study on the Health and Nutritional Characteristics according to Household Income and Obesity in Korean Adults Aged over 50 -Based on 2005 KNHANES-
So Hyun Ahn, Sook Mee Son, Hye Kyeong Kim
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Estimation of Sodium Intake of Adult Female by 24-Hour Urine Analysis, Dietary Records and Dish Frequency Questionnaire (DFQ 55)
Eun-Kyung Shin, Hye-Jin Lee, Jung-Jeung Lee, Moon-Young Ann, Sook-Me Son, Yeon-Kyung Lee
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Effects of Weight Control Program on Dietary Habits and Blood Composition in Obese Middle-Aged Women
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The Korean Journal of Nutrition.2010; 43(3): 273. CrossRef
Diet Quality Index-International Score is Correlated with Weight Loss in Female College Students on a Weight Management Program
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[English]
Beliefs Regarding Vegetable Consumption, Self-Efficacy and Eating Behaviors according to the Stages of Change in Vegetable Consumption among College Students: Yun Ahn, Kyung Won Kim; Korean J Community Nutr 2012;17(1):1-13. Published online February 29, 2012; DOI: https://doi.org/10.5720/kjcn.2012.17.1.1

Abstract PDF PubReader

The purpose of this study was to examine beliefs, self-efficacy and eating behaviors by the stages of change in vegetable consumption among college students (n = 297). A survey was conducted to examine study variables, and subjects were categorized into three groups based on the stages of change: precontemplation/contemplation stage (PC/C), preparation stage (P), action/maintenance stage (A/M). Subjects had 3.7 servings of vegetables a day, and vegetable consumption was significantly different by stages of change (p < 0.001). The A/M group showed higher score on beliefs regarding vegetable consumption (p < 0.001) than the other groups, and perceived benefits of vegetable consumption (e.g. cancer prevention) more strongly (p < 0.05). The PC/C group felt more barriers than the A/M group, such as disliking cooking methods, texture of vegetables (p < 0.001), bad taste and bad experience of eating vegetables (p < 0.05). Self-efficacy score was 27.2, with decreasing self-efficacy from A/M to P, PC/C (p < 0.001). The A/M group showed more confidence in nine behaviors such as "eating vegetables during meals" and "replacing menu at home with more vegetable dishes" (p < 0.001) than the other groups. The A/M group had more desirable eating behaviors (e.g, having a variety of foods, eating regularly, consumption of food groups). This study suggests that target population for education and educational strategies be different based on the stages of change. For those in the PC/C stage, education might focus on reducing barriers and increasing self-efficacy. For those in the A/M stage, it is necessary to use strategies to maintain and reinforce behaviors for enough vegetable consumption.

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Outcome expectations, self-efficacy, eating environment, and eating behaviors by the stages of change in adequate sodium intake among university students: a cross-sectional study
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Dietary Life, Vitamin D Status and Blood Clinical Indices of University Laboratory Workers
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Factors affecting preference of vegetable in elementary school students: based on social cognitive theory
Su Hyeon Cha, Ho Kyung Ryu
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Relationship between Bone Density, Eating Habit, and Nutritional Intake in College Students
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Comparison of Dietary Self-efficacy, Obesity Stress, and Obesity-related Quality of Life According to BMI and Stages of Change in Vegetable Consumption for Nursing Students
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A comparison of Dietary Habits and Influencing Factors for Vegetable Preferences of Adolescents in Gyeongnam Province
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Nutrition knowledge, eating attitudes, nutrition behavior, self-efficacy of childcare center foodservice employees by stages of behavioral change in reducing sodium intake
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Study on the Salt-Related Dietary Behaviors according to the Stage of Change Model for Salt-Related Intake of Middle School Students in Gyeongsangbuk-do Area
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Factors influencing on intention to intake fruit: moderating effect of fruit intake habit
Hyesoo Kim, Sunhee Seo
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Comparison of practice of dietary guidelines and health beliefs according to stage of weight loss behavior change among male workers
Su Jeong Song, HongSeok Ahn, Jinmo Khil
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Study on the Eating Habits and Practicability of Guidelines for Reducing Sodium Intake according to the Stage of Change in Housewives
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[English]
Comparison of Health Belief Levels and Health Behavior Practices according to Lifestyle among Adults Residing in Seoul: Na Hong Choi, Hong Seok Ahn, Seungmin Lee; Korean J Community Nutr 2011;16(6):683-696. Published online December 31, 2011; DOI: https://doi.org/10.5720/kjcn.2011.16.6.683

Abstract PDF PubReader

This study compared levels of health beliefs and health behavior practices according to lifestyle pattern among adults in Seoul. A self-administered survey questionnaire was collected from a total of 1,004 Seoul residents aged 30-59 years. The levels of perceived benefit, perceived barrier, and self-efficacy from health belief model and health behavior practices were measured across multiple health behavior areas including dietary behavior, drinking, smoking, exercise, functional food consumption, and weight control behavior. Factor analysis and subsequent cluster analysis based on 28 lifestyle questions divided the subjects into four lifestyles of society-, economy-, trend-, and health-oriented lifestyle. Some general characteristics were significantly different by lifestyles. The society-oriented lifestyle was significantly higher in proportions of men and overweight. The trend-oriented lifestyle was significantly younger and spent more monthly allowance. Health-oriented lifestyle was older. The levels of health belief variables and health behavior practices significantly differed by lifestyles. Overall the health-oriented lifestyle showed more desirable levels of health belief variables and health behavior practice in various health behavior areas compared to the other lifestyles, whereas the society-oriented lifestyle was found the other way. Health belief model variables including perceived benefit, perceived barrier, and self-efficacy were generally significant in predicting the levels of various health behavior practice, with somewhat differences by lifestyle pattern and health behavior type. The study findings suggest it may be useful to segment target subjects according to lifestyle pattern in planning and administering health education programs.

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Analysis of the factors that influence preschool children eating behavior by applying the health belief model: Seoul and Gyeonggi Province
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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
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Journal of the Korean Society of Food Science and Nutrition.2023; 52(11): 1179. CrossRef
Comparison of health care practice, dietary behavior, and nutrient intakes, considering the alcohol drinking status of industrial workers in the Chungnam area
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Genetic Variations in Thiamin Transferase SLC35F3 and the Risk of Hypertension in Koreans
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Clinical Nutrition Research.2021; 10(2): 140. CrossRef
Comparison of practice of dietary guidelines and health beliefs according to stage of weight loss behavior change among male workers
Su Jeong Song, HongSeok Ahn, Jinmo Khil
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A Study on Dietary Behaviors, Health-Related Lifestyle of Adult Visitors at Public Health Centers in Gyeonggi Urban Area
Jong-Sook Kwon, Kyungmin Kim, Hyun-Chang Seo, Yoonna Lee, Seunggeon Lim, Young-Sug Choi
Korean Journal of Community Nutrition.2013; 18(6): 611. CrossRef

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[English]
Intakes and Beliefs of Vegetables and Fruits, Self-Efficacy, Nutrition Knowledge, Eating Behavior of Elementary School Students in Kyunggi Area: Soo Young Na, Seo Yeon Ko, Sun Hee Eom, Kyung Won Kim; Korean J Community Nutr 2010;15(3):329-341. Published online June 30, 2010

Abstract PDF: The purpose of this study was to examine vegetable & fruit (V/F) intakes, beliefs and self-efficacy regarding V/F consumption, nutrition knowledge and eating behavior of elementary students. A survey was conducted to the 4th graders (n = 234) at two elementary schools in Guri, Kyunggi-do. About one-fourth of subjects were overweight or obese. Subjects had 4.2 servings of V/F a day, consuming 340.2 g of V/F. Girls consumed significantly more amounts of vegetables than boys (p < 0.05). Girls were more favorable regarding V/F consumption (p < 0.01), and believed more strongly on advantages of having V/F such as "good for skin", constipation prevention (p < 0.001) and cancer prevention (p < 0.05). Boys felt more strongly in disadvantages or barriers of eating V/F, including mother's cooking time constraints (p < 0.01), lack of past experience of eating V/F, and family members' disliking of V/F (p < 0.05). Girls felt more confident in eating V/F (p < 0.05) than boys; they also felt more confident in specific items of "eating fruits/salads instead of cookies/chips for snack" and "eating fruit juice/vegetable juice instead of soda" (p < 0.01). Subjects showed low level of nutrition knowledge, especially in items such as balanced meals, recommended servings of V/F and vitamin deficiency. Compared to boys, girls had more desirable eating behavior such as eating adequate amount of meals (p < 0.001), having a variety of foods, eating fruits daily, and having fatty foods less frequently (p < 0.05). Intakes of Ca and K were quite below the recommended level, while the intakes of protein, Na and vitamin A intake were much above the Dietary Reference Intakes (DRI) for 9-11 old children. Nutrient intakes expressed as %DRI was higher in girls for vitamin A (p < 0.01), energy and riboflavin (p < 0.05). High V/F consumption group (> or = 5 servings of V/F a day) compared to the counterparts showed higher self-efficacy and had better eating behaviors. Nutrition education for children should focus on increasing consumption of V/F, by helping them to increase self-efficacy for eating V/F and to recognize the benefits and reduce the barriers of eating V/F, especially in boys. It is also needed to provide nutrition information for balanced meals or increasing V/F consumption, and help the children to adopt desirable eating behavior.

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[English]
Mothers' Perceptions on Preschool Children's Food Preference, Efforts in Improving Food Intake and Their Beliefs in Food Selection: Young Hye Jeong, Jin Sook Yoon, Dong Yean Park; Korean J Community Nutr 2006;11(6):714-724. Published online December 31, 2006

Abstract PDF: In an attempt to investigate mothers' perceptions of factors affecting preschool children's food preferences, their policy improving food intake and belief in food selection, in-depth interviews with 30 mothers who had preschool children were conducted in Daegu and Busan. The interviews were tape-recorded and the contents of interviews were analysed by researchers. Most mothers and children liked meats. It was found that children usually disliked vegetables such as onions, carrots, and green onions. Mothers perceived that many factors affected their children's food preferences: mothers' and fathers' food preferences, food offering at meals, mothers' food intake during pregnancy, children's food intake during weaning period, heredity, peer pressure, and advertisements on television. Mothers made efforts to improve childrens food intakes in many ways: change of cooking method, emphasizing function of nutrients and food for health, conciliation and enforcement, and comparison to other children. The most affecting belief for mothers in food selection was family members' food preference. Health, balance in nutrient intake, degree of food processes, food additives, chemicals, convenience, diversity, and economy were also important beliefs to select food. Convenience was especially the primary belief in choosing and preparing children's snacks. Mothers offered frozen dumplings and meat, instant noodles, tuna, and ham for snacks for convenience. These results showed that mothers understood many aspects affecting children's food preference, tried to improve children's food intakes, and had several beliefs in food selection. We concluded that it is necessary to give information for mothers to make healthy snacks in a short time and chance to learn cooking skills.

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[English]
A Study of Weight Control and Associated Factors among High School Female Students: Yun Ahn, Hyungmee Kim, Kyungwon Kim; Korean J Community Nutr 2005;10(6):814-824. Published online December 31, 2005

Abstract PDF: The study purpose was to examine weight control status and related factors among 370 high school girls in Seoul. Factors examined included interest toward weight control, body satisfaction, body image, beliefs regarding weight control and self-efficacy. 65.1% had attempted to control weight and were categorized into attempt group. Those in the attempt group had higher body weight (p<0.001) and BMI (p<0.001) than the counterparts. They tried to control weight 2.9 times on average (22.4 days each time). The major information sources for weight control were internet (62.8%), and TV/ radio (17.1%). Exercise was most commonly used for weight control, followed by reducing meal amount and skipping dinner. The attempt group was less satisfied with body size (p<0.001) and perceived their body sizs as heavier than the counterparts (p<0.001), but they showed more interest toward weight control (p<0.001). The ideal body size of society or the body size that they want was very thin in both groups. Twelve out of 20 beliefs regarding weight control were significantly different between the two groups. The attempt group believed more strongly on the advantages such as increased self-confidence, appearance, attractiveness (p<0.001) and 'good for making friends' (p<0.01). In contrast, the attempt group believed less strongly about the disadvantages including harmful effects on health (p<0.001), parents' dislike, feelings of discouragement (p<0.01) and becoming (p<0.05). The attempt group showed lower overall self-efficacy to control overeating (p<0.05) than the counterparts. Especially, the attempt group felt less control of overeating in situations such as eating-out, after school, when they are with family (p<0.01) or with friends, when they feel hungry, during examination periods and when others offer food (p<0.05). This study suggested that weight management education for adolescents include strategies for changing body image and beliefs regarding weight control, as well as increasing self-efficacy to control overeating.

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[English]
Fast Food Consumption and Related Factors among University Students in Daejeon: Kyung Won Kim, Yun Ahn, Hyung Mee Kim; Korean J Community Nutr 2004;9(1):47-57. Published online February 29, 2004

Abstract PDF: The study purpose was to investigate the factors related to fast food consumption of university students. Factors were identified using the Theory of Planned Behavior. Based on the pilot study, 18 behavioral beliefs, 7 normative beliefs and 19 control beliefs were identified. Data (n = 269) were analyzed using analysis of variance or chi-square tests. Subjects were categorized into non-users (27.9%), users (42%) and frequent users ( > or = 2 times/week, 30.1%). Regarding behavioral beliefs, users or frequent users responded more positively on advantages of eating fast foods including 'taste' (p < 0.001), 'making me feel full' (p < 0.001), 'diverse menus' (p < 0.05) than non-users. Compared to users, non-users responded more positively on the item that eating fast foods leads to eat vegetables less (p < 0.05), and negatively on 'making me eat more salt'(p < 0.05). Most of the referent groups, parents (p < 0.001), sisters/brothers (p < 0.01), relatives (p < 0.01), friends (p < 0.05), boy/girl friends (p < 0.05) were important sources of influence regarding subjects' fast food consumption. Users or frequent users felt less control over factors or situations that make it consume fast foods (9 out of 19 control beliefs). These factors included; availability issues (p < 0.001), 'not having other foods on hand'(p < 0.01), 'others eating together like fast foods', 'convenience', 'social increase in fast food use', 'easy to get fast foods anytime' (p < 0.05). In addition, users of fast foods were more likely to eat fast foods when they don't have time, when they do not like to cook, when they feel hungry (p < 0.05). These results suggest that interventions for university students include strategies to moderate fast food use by modifying behavioral beliefs, suggesting alternative menus and behavior modification techniques, increasing perception of control, and eliciting social support.

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[English]
Psychosocial Factors Related to Dairy Product Consumption among Female University Students in Daejeon: Eun Mi Shin, Kyung Won Kim; Korean J Community Nutr 2003;8(6):867-875. Published online December 31, 2003

Abstract PDF: The purpose of this study was to investigate the psychosocial factors influencing dairy product consumption of female university students in Daejeon. The Theory of Planned Behavior provided the basis for this study. As a result of the pilot-study, 18 behavioral beliefs, 8 normative beliefs, and 12 control beliefs were identified. The subjects (n = 236) were grouped into a high-consumption group (1 serving / day, n = 117) and a low consumption group (< 1 serving / day, n = 119). The data were analyzed using t-tests or chi-square-tests. Among the general characteristics, there were significant differences in the amount of pocket money spent per month, residence type (p < 0.01), weight, frequency of exercise and perceived health status (p < 0.05) of the subjects. With respect to the 18 behavioral beliefs, the high consumption group responded less negatively on 'eating dairy foods would not be convenient' than the low consumption group (p < 0.05). None of the subjective normative items were significantly different between the two groups. However, notable differences were found in regard to the control beliefs (8 out of 12 control beliefs). These included overall control over consuming dairy products (p < 0.001), as well as specific beliefs regarding barriers such as easy spoilage of dairy products, the cost, eating them for snacks and dislike for them (p < 0.05). In addition, specific situations, such as 'when I want them I get them' (p < 0.01), eating out and the availability of dairy foods at home (p < 0.05) were significantly different between the two groups. The high consumption group showed more control over these barriers or situations. These results suggest that nutritional education for young female adults should incorporate strategies to increase their perceived control over the consumption of dairy products by removing barriers and including environmental approaches which address the availability issues.

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[English]
Assessment of Nutritional Status and Factors Related to Smoking in Adolescent Males: II. Psychosocial Factors Influencing Smoking among Male High School Students: Kyungwon Kim, So rim Kim, Jung Hee Kim; Korean J Community Nutr 1998;3(3):358-367. Published online August 31, 1998

Abstract PDF: The study purpose was to investigate psychosocial factors related to smoking among adolescent boys. The Theory of Planned Behavior provide the basis for the study. Twenty-five attitudinal beliefs, 9 normative beliefs and 20control beliefs were identified through questionnaire development. The data were analyzed using t-test and chi2-test. Thirty-three percent of 300 students were smokers. Most of the beliefs examined were significantly different between smokers(n=92) and nonsmokers(n=92). With respect to attitudinal beliefs, smokers responded less negatively on the items of bad health effects of smoking such as sore throat, headache, chest pain, risk of cancer and bad blood circulation(p<0.001), and decreased physical strength(p<0.05). Smokers believed less negatively on the items that smoking leads to bothering others, bad breath, yellow teeth and making them spend money(p<0.001). In contrast, smokers felt more positively on smoking as a means of stress management, relaxing, helping digestion(P<0.001). Smokers felt less pressure for not smoking from significant others. Especially mother, siblings, friends, girl friends, seniors of school were important sources of influence regarding subject's smoking. Smokers felt less confident in controlling the urge to smoke in several situations including; when they were with friends or asked to smoke by friends; after the meal, or drinking; when they were bored or stressed, upset, and when they felt unstable(p<0.001). Smokers also scored lower on specific skills to quit or control the urge to smoke as well as overall perceived control, compared to nonsmokers(p<0.001). These results suggest that interventions for adolescents incorporate diverse strategies to increase the perceived control over smoking in specific situations as well as overall perceived control, to help them realize and modify attitudinal beliefs, and to elicit support from significant others for not smoking.

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Relations of Perception of Obesity and Experiences of Weigh Control and Body Image in High School Students: Ho Kyung Ryu, Jin Sook Toon; Korean J Community Nutr 1998;3(2):202-209. Published online May 31, 1998

Abstract PDF: This study was conducted to investigate the relationship among pereption of obesity, experience of weight control control and satisfaction with body image in adolescence. The subjects were 221 high school students(91 boys, 130 grils), aged 16.7 years living in a rural area. To determine the perception of obesity, knowledge about obesity, belidfs about obese people, and attitudes towards obese people were measured. The results were as follows: There was high correlation between beliefs about obese people and attitudes toward obese people. When the perception of obesity was compared by sex, girls had significantly more accurate knowledge, stronger beliefs that obesity couldn't be controlled by oneself, the higher the eating disturbance score was. It also appeared that BMI was positively correlated with the positive attitude towards obese people.

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[English]
A Study on Weight Control Attempt and Related Factors among College Female Students: Kyungwon Kim, Mi Joung Lee, Jung Hee Kim, Young Hyun Shim; Korean J Community Nutr 1998;3(1):21-33. Published online February 28, 1998

Abstract PDF: The purpose of this study was to investigate the weight control attempts and related factors among 220 female college students in Seoul. Factors examined included body image, body satisfaction, interest in weight control, beliefs related to weight control, social norms, social expectations regarding subjects' body size and weight change. Data were analyzed using t-test and chi-square test(at alpha=0.05). The average height and weight of subjects were 160.7 cm, 52.2 kg respectively. BMI and body fat(%) were 20.2 and 25.2%, respectively. One hundred seventy two students(78.2%) had attempted to control their weight, mainly to lose weight, and were categorized as the weight control attempt group. Subjects used diet modification as well as unhealthy method to control weight. 48.2% in the attempt group were underweight or normal weight(by BMI), suggesting that their weight control attempts were was unnecessary. Students in the attempt group described their own size as heavier than those in the no-attempt group(p<0.01) or other girls of their age(p<0.05) ; more dissatisfied with their body size(p<0.01), and showed more interest in weight control(p<0.01). Several differences in beliefs were also noted(p<0.001). The attempt group believed less strongly in the harmful effects or difficulties in weight control and believed more strongly in the advantages of weight control. With respect to social factors, the attempt group perceived that their family and friends wanted them to be smaller than they were(p<0.001), perceived that significant others felt that they should lose weight(p<0.05). These results suggest that educational programs for college female students should start focusing on the harmful effects of excessive dieting and information about desirable weight control methods. Students should be helped to have a correct body image. In addition, educational programs should incorporate strategies to change beliefs regarding weight control, as well as modifying social expectations from significant others.

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