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KMID : 0665420140290060648
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Korean Journal of Food Culture
2014 Volume.29 No. 6 p.648 ~ p.658
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Associations of Eating Habits with Obesity and Nutrition Knowledge for Middle and High School Adolescents in Shanghai and Heze China
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Song Yang
Ahn Hyo-Jin
Choi Ji-Hye
Oh Se-Young
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Abstract
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The aim of this study was to investigate the relationships between eating habits and health among adolescents in
Shanghai and Heze, China. A cross-sectional study was conducted in 2013 on 2,089 adolescents; 1,089 students were from Shanghai and 999 students from Heze region. Eating habits, weight, height, and nutritional knowledge were assessed using a self-administered questionnaire. Eating habits score was classified into two categories: healthy eating habits and unhealthy eating habits, based on「Korean Youth Risk Behavior Web-based Survey」, for statistical data analysis. Associations between eating habits, BMI, and nutritional knowledge were examined using a general linear model with adjustment of potential confounding factors such as region, gender, age, parents’ education level, and pocket money. Statistical analyses were performed using the SAS (version 9.3) program. Proportions of healthy eating habits group were 90.0% for breakfast (3-7 times/wk), 29.1% for fruit (≥once/d), 12.5% for vegetable (≥3 times/d), 7.3% for milk (≥2 times/d), 90.0% for fast food (<3 times/wk) consumption, respectively. The average BMI score was 20.1 (Shanghai 20.5 Heze 19.6), which is in the range of normal weight. Rates of obesity and overweight were 16.5% and 8.3% in Shanghai and Heze, respectively. There were significant negative correlations between intake frequencies of breakfast, fast food, biscuits, sugar, chocolate, and BMI score. Eating habits and nutritional knowledge score showed a significant positive correlation. These results showed better eating habits regarding eating regularity and consumption of fruits and soft drinks in Chinese adolescents compared with Korean adolescents, although cultural differences were not fully considered. This study demonstrated significant associations of BMI and nutritional knowledge with dietary behavior in Chinese adolescents in two regions of China. Further studies on Chinese adolescents from other regions in China should be considered.
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KEYWORD
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Eating habits, body mass index, nutritional knowledge, Chinese adolescent
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