Korean Journal of Community Nutrition

Research Articles

[Korean]
Association between Relative Preference for Vegetables and Meat and Cancer Incidence in Korean Adults: A Nationwide Population-based Retrospective Cohort Study: Ga-Eun Yie, An Na Kim, Hyun Jeong Cho, Minji Kang, Sungji Moon, Inah Kim, Kwang-Pil Ko, Jung Eun Lee, Sue K. Park; Korean J Community Nutr 2021;26(3):211-227. Published online June 30, 2021; DOI: https://doi.org/10.5720/kjcn.2021.26.3.211

Abstract PDF: Objectives
We aimed to examine the association between the relative preference for vegetables and meat and cancer incidence, in a population-based retrospective cohort in Korea.
Methods
We included 10,148,131 participants (5,794,124 men; 4,354,007 women) who underwent national health screening between 2004 and 2005 from the National Health Information Database of the National Health Insurance Service (NHIS-NHID). Participants were asked whether they preferred consuming 1) vegetables more often, 2) both vegetables and meat or 3) meat more often. Participants were followed up to Dec. 31, 2017. All cancer and eighteen common cancer cases were identified through the code from the International Classification of Diseases, 10th revision. We estimated sexspecific relative risks and 95% confidence intervals, adjusting for age, body mass index, alcohol consumption, smoking, physical activity, and income level.
Results
During an average follow-up of 12.4 years, 714,170 cancer cases were documented. In men, consuming meat more often was associated with lower risk of esophageal, liver, and stomach cancers, but higher risk of lung and kidney cancers. Consuming both vegetables and meat was associated with higher risk of prostate cancer, but with lower risk of esophageal, liver, and stomach cancers in men. In women, consuming meat more often was associated with a higher risk of colorectal cancer and breast, endometrial, and cervical cancers diagnosed before the age of 50. Consuming both vegetables and meat was associated with lower risk of liver cancer in women.
Conclusions
Our study suggests a potential link between vegetable and meat intake and cancer incidence in the Korean population. Further investigation on the association between the intake of specific types of vegetables and meat and cancer risk in Korean prospective cohort studies is needed.

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[English]
Vegetable and Nut Food Groups are Inversely Associated with Hearing Loss- a Cross-sectional Study from the Korea National Health and Nutrition Examination Survey: Sunghee Lee, Jae Yeon Lee; Korean J Community Nutr 2020;25(6):512-519. Published online December 31, 2020; DOI: https://doi.org/10.5720/kjcn.2020.25.6.512

Abstract PDF: Objectives
A cross-sectional study was conducted to investigate the associations between food groups and hearing loss. Methods: Data of 1,312 individuals were used from the Korea National Health and Nutrition Examination Survey 2013. Hearing loss was determined with a pure tone average (PTA) of greater than 25 dB in either ear. The PTA was measured as the average hearing threshold at speech frequencies of 0.5, 1, 2, and 4 kHz. The dietary intake was examined with a food frequency questionnaire with 112 food items. The food items were classified into 25 food groups. A weighted logistic regression was used to investigate the association. Results: Individuals in the highest tertile of vegetables and nuts food groups were less likely to have hearing loss than those in the lowest tertile [Odds Ratio (OR) = 0.58 (95% Confidence interval (CI) 0.38-0.91), P = 0.019; OR = 0.59 (95% CI 0.39-0.90), P = 0.020, respectively], after adjusting for confounding variables of age, sex, body mass index, drinking, smoking, diabetes, hypertension, and physical activity. Conclusions: In this cross-sectional study, we observed that high intake of vegetables and nuts food groups revealed significant inverse associations with hearing loss, after adjusting for confounding variables among 1,312 participants.

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Original Articles

[English]
The Differences in Preference for Vegetables among Primary School to University Students in Gyeongbuk Area: Yun Kyeong Lee, Youngnam Kim; Korean J Community Nutr 2014;19(5):415-424. Published online October 31, 2014; DOI: https://doi.org/10.5720/kjcn.2014.19.5.415

Abstract PDF PubReader

OBJECTIVES
Vegetables are the most left over side dishes in school lunch programs. This study intended to analyze the differences in preference for vegetables among the students of different age groups in order to determine potential ways of increasing vegetable consumption in this study group.
METHODS
A total of 308 primary to university students in Gyeongbuk area were recruited and a questionnaire-based survey was conducted. The preference score (7-Likert scale: very much dislike (1)~so-so (4)~like very much (7)) and intake frequency (5-Likert scale) of 48 kinds of vegetables in 4 vegetable groups, such as vegetable (fruit-, root-, leaf-, and stalk- vegetable), seaweeds, mushrooms, and kimchi were investigated, and data were analyzed by SPSS WIN (ver 12.0).
RESULTS
The preference scores of vegetables except for seaweeds were significantly different among school groups, university was the highest, followed by high school. Primary and middle school students showed the lowest preference score, especially for leaf- and stalk- vegetables. The preference score for seaweeds was the highest of 5.28, followed by kimchi of 4.99. With regard to kimchis, the preference score was the highest in university', followed by high school, middle school, and primary school' was the lowest. The number of vegetables with < 4.0 preference score was the highest in primary school of 16, 15 in middle school, 11 in high school, and 7, the lowest in university. The vegetable with preference score of < 4.0 in all 4 school groups were mallow, chard, bud, radish leaf, mugwort, butterbur and sweet potato stalk. With regard to the intake frequency of vegetables, kimchis, an indispensable part of the Korean diet, was the highest of 2 times/day, followed by cooked vegetables of 1.5 times/day. The correlation coefficients between preference scores and intake frequencies were statistically significant in all groups of vegetables. As for the coefficient of variation (CV) of preference score, primary school' was the highest and university' was the lowest. The number of vegetables with high CV and high inexperience were highest in primary school students.
CONCLUSIONS
Providing more opportunities for consuming a variety of vegetables, such as leaf- and stalk- vegetable, it may be possible to increase vegetable consumption, especially for the primary school students.

Citations

Citations to this article as recorded by

Dietary Lifestyle Status of Adolescents: Analysis of Large-Scale Survey Data in Korea
Soo Jin Lee, Ho Kyung Ryu
Journal of the Korean Society of Food Science and Nutrition.2021; 50(1): 95. CrossRef
Analysis of the Dietary Life of Adolescents by Household Types in Korea using the Korea National Health and Nutrition Examination Survey
Soo Jin Lee, Ho Kyung Ryu
The Korean Journal of Community Living Science.2021; 32(2): 285. CrossRef
Consumption Status of Foods Using Kimchi by Korean Adults: Analysis of the 2015 Korea National Health and Nutrition Examination Survey
Mi-Kyung Choi
Korean Journal of Food and Cookery Science.2018; 34(3): 319. CrossRef
Study on Perception and Preference of Vegetable Intake of Alienated Children in Gyeongbuk Area according to Gender and Grade
Won-Hui Choe, Eun-Soon Lyu, Kyung-A Lee
Korean Journal of Food and Cookery Science.2018; 34(4): 394. CrossRef
The Development of Institutional Food-Service Menu with Temple Food
Sim-Yeol Lee, Jin-A Kim
Korean Journal of Community Nutrition.2015; 20(5): 338. CrossRef

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[English]
Comparisons of Consumption Attitude toward Vegetables and Fragrance Vegetables Preference among Primary School to University Students in Gyeongbuk Area: Yun Kyeong Lee, Youngnam Kim; Korean J Community Nutr 2014;19(3):223-230. Published online June 30, 2014; DOI: https://doi.org/10.5720/kjcn.2014.19.3.223

Abstract PDF PubReader

OBJECTIVES
The purpose of this study was to provide the preliminary data for dietary education to increase students' vegetables intake.
METHODS
The attitude of vegetables consumption (5-Likert scale), preference score (7-Likert scale) and eating frequency (5-Likert scale) of 9 fragrance vegetables were investigated by survey questionnaire. A total of 370 students enrolled in primary, middle, high schools, and university participated in the study and data were analyzed by the SPSS WIN (ver 12.0).
RESULTS
About 40% of those surveyed answered that they do not eat some kinds of foods and 16% of students do not eat vegetables, the most unfavorable foods. The students in all groups (primary 2nd and 5th, middle and high school, university students) answered that they liked vegetables with the highest score in university students, and they did not often eat fragrance vegetables. Lower age student group, especially primary school 2nd showed more positive attitudes of eating challenge toward no experience, bad taste, and dislike but nutritious vegetable foods. The most important factor of vegetable preference was taste, the biggest reason of both like and dislike. Only 4 students designated nutrition as for vegetable dislike reason, means that all students knew about the nutritional importance of vegetables. It was shown that the color and flavor of the vegetables act as dislikable reason rather than likable reason. The significant correlations between preference score and intake frequency of fragrance vegetables were confirmed, and the younger the students the greater the correlation coefficient.
CONCLUSIONS
Thus providing more chance to experience vegetables, such as fragrance vegetables and education about the importance of balanced diet will be an effective way of increasing vegetables intake, and the younger the students the greater the education effect.

Citations

Citations to this article as recorded by

Analysis of socio-demographic and dietary factors associated with fruit and vegetable consumption among Korean adolescents: use of data from the 7th and 8th Korea National Health and Nutrition Examination Survey (2016–2019)
Bokyeong Yun, Seunghee Kye
Journal of Nutrition and Health.2024; 57(3): 292. CrossRef
Factors affecting preference of vegetable in elementary school students: based on social cognitive theory
Su Hyeon Cha, Ho Kyung Ryu
Journal of Nutrition and Health.2019; 52(3): 285. CrossRef
Relative Importance of Selection Attributes in Garlic-Based Health Functional Food Using Conjoint Analysis
Jisun Lee
Journal of the East Asian Society of Dietary Life.2019; 29(4): 336. CrossRef
Estimation of Usual Intake and Assessment of Nutrient Intake for Korean Adolescents: Analysis of the 2010-2012 Korea National Health and Nutrition Examination Survey
Meeyoung Kim, Jihyun Yoon
Family and Environment Research.2017; 55(4): 385. CrossRef
The Differences in Preference for Vegetables among Primary School to University Students in Gyeongbuk Area
Yun Kyeong Lee, Youngnam Kim
Korean Journal of Community Nutrition.2014; 19(5): 415. CrossRef

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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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Comparative Study of Eating Habits and Lifestyle by Gender among College Students in Pyeongtaek Region
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Dietary Life, Vitamin D Status and Blood Clinical Indices of University Laboratory Workers
Jung Hyun Hwang, Hong Mie Lee, Jung Hee Kim
Korean Journal of Community Nutrition.2019; 24(3): 245. CrossRef
Factors affecting preference of vegetable in elementary school students: based on social cognitive theory
Su Hyeon Cha, Ho Kyung Ryu
Journal of Nutrition and Health.2019; 52(3): 285. CrossRef
Relationship between Bone Density, Eating Habit, and Nutritional Intake in College Students
Hee-Sook Lim, Sung-In Ji, Hyeonji Hwang, Jeongmmok Kang, Yoon-Hyung Park, Hae-Hyeog Lee, Tae-Hee Kim
Journal of Bone Metabolism.2018; 25(3): 181. CrossRef
Factors affecting vegetable preference in adolescents: stages of change and social cognitive theory
Taejung Woo, Kyung-Hea Lee
Nutrition Research and Practice.2017; 11(4): 340. CrossRef
Coffee consumption behaviors, dietary habits, and dietary nutrient intakes according to coffee intake amount among university students
Sun-Hyo Kim
Journal of Nutrition and Health.2017; 50(3): 270. CrossRef
Gender Differences in Adolescents' Dietary Perceptions and Practices
Taejung Woo, Hye-Jin Lee, Kyoung Ae Lee, Seung Min Lee, Kyung-Hea Lee
Korean Journal of Community Nutrition.2016; 21(2): 165. CrossRef
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
Myoung Sook Kim
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A comparison of Dietary Habits and Influencing Factors for Vegetable Preferences of Adolescents in Gyeongnam Province
Suhyang Kwak, Taejung Woo, Kyoung Ae Lee, Kyung-Hea Lee
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Hyun Jeong Lim, Min Ju Kim, Kyung Won Kim
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Min Ju Kim, Kyung Won Kim
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Factors influencing on intention to intake fruit: moderating effect of fruit intake habit
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Su Jeong Song, HongSeok Ahn, Jinmo Khil
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Korean Journal of Community Nutrition.2012; 17(6): 724. CrossRef

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[English]
A Study on Vegetable Intakes and Dietary Habits of Middle School Students in Chungnam: Hyun Sun Cho, Myung Hee Kim, Mi Kyeong Choi; Korean J Community Nutr 2010;15(4):525-535. Published online August 31, 2010

Abstract PDF: The purpose of this study was to provide basic data for nutritional education for juveniles' desirable vegetable intake by analyzing their vegetable intake, dietary habit and nutrient intakes according to gender of middle school students in Chungnam. The average age of the subjects was 15.0, height was 162.5 cm, weight was 53.5 kg and their average BMI was 20.1 kg/m2. The frequency of eating supper in girls was lower than that in boys. Many respondents answered that a meal-time was 10~20 minutes. Without gender difference, more than 90% respondents thought that vegetables were good for health. As for the preference of vegetable, subjects responded, "I am in the middle", "I like them", "I dislike them", "I like them very much", and "I dislike them very much" in order, without gender difference. The frequent eaten leaf vegetable was Chinese cabbage, the frequent eaten fruit vegetable was cucumber, and the frequent eaten root vegetable was radish. The favorite leaf vegetable was lettuce, the favorite fruit vegetable was corn, and the favorite root vegetable was sweet potato. The preference degrees of taro and ginger were very low. The reasons why they liked a vegetable were that it was delicious and they ate it at home often. In addition, the reason why they disliked vegetables was that they are untasty in flavor or texture and it showed that many students had a prejudice that vegetables were untasty. The intakes of plant protein, dietary fiber, ash and INQs of dietary fiber, calcium, vitamin C, folate, vitamin E in the group with high preference of vegetables were significantly higher than those of low preference group. The study results indicate that intake frequency and preference of root vegetables in juveniles are low and the major reasons of these results are taste and eating experience of vegetables. In addition, the intake amounts of dietary fiber and folate are poor in the subjects with low preference of vegetables. Therefore, families and schools should make efforts that juveniles can recognize the importance of vegetable intake and select various vegetables properly through the development of cooking methods and systematic nutrition education.

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[English]
The Status of Nutrient Intake and Factors Related to Dislike of Vegetables in Elementary School Students: Un Hee Ku, Jung Sook Seo; Korean J Community Nutr 2005;10(2):151-162. Published online April 30, 2005

Abstract PDF: This study was conducted to investigate the nutritional status and factors related to dislike of vegetables in the students who avoid eating vegetables in elementary school. The subjects were classified into VDG (vegetable dislike group, 75 children) and control group (69 children) by amount of vegetable left in school feeding. The survey included the items of demographic characteristics, dietary behaviors, nutrition knowledge, food preference, reason for dislike of vegetables and nutrient intake of the subjects. Dietary behavior and nutrition knowledge scores of control group were higher than those of VDG. The average score of food preference was 4.9 and 4.7 in control and VDG groups respectively. The preference score of root vegetables was the lowest in subjects. In the view of nutrient intake, the calorie intake of control group was higher than that of VDG. Protein intake of control and VDG was enough as compared with their RDA. Except vitamin E, most nutrient intake of control group was higher than that of VDG. VDG consumed lower calorie, vitamin A, vitamin B2, vitamin C, Ca, P, Fe and Zn than control group. The scores of the dietary behavior and nutrition knowledge in the subjects were positively related to the status of some vitamins and minerals intake. These results show that the scores of nutrition knowledge and dietary behavior of VDG were lower than those of control, causing low intake of vitamins and minerals such as vitamin A, Ca and Fe.

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