浙江省儿童青少年单纯性肥胖影响因素分析

Analysis of influencing factors on obesity among adolescents in Zhejiang province

目的分析浙江省儿童青少年单纯性肥胖的影响因素,为探索适合的综合干预模式和实施干预提供依据。方法采用分层整群随机抽样调查方法,对浙江省6个市县24所学校8 794名中小学生的体质量指数(BMI)、饮食习惯和膳食结构、身体活动与体育锻炼、睡眠质量情况以及性格等进行调查。结果多因素Logistic回归分析结果,对学生超重或肥胖产生正效应的影响因素有父亲超重或肥胖(OR=1.64)、母亲超重或肥胖(OR=1.73);饮食方式肉素各半或素食为主(OR=0.88)、放学后静坐时间短(OR=0.87)可能为保护因素。结论儿童青少年肥胖受多方面因素的影响。扩展学生的营养知识、调整饮食结构、增加运动,增强肥胖儿童青少年改善和保护自己健康的能力和信心是进一步遏制儿童青少年单纯性肥胖发生的关键措施。

Objective To explore the influencing factors on obesity among adolescents in Zhejiang province and to provide evidence for intervention program on adolescents＇ obesity. Methods A stratified random cluster sampling was used from sampling frame of six cities in Zhejiang province. A total of 8 794 students participated in this study. After measuring their height and weight,epidemiological study method and statistical analysis were used to analyze influence of BMI,diet,exercise,sleep situation and personality. Results Results of multiple logistic regression analysis showed that factors which had positive effect on students＇ overweight or obese were： father＇s or mother＇s overweight or obese; Diet characteristics of half meat half vegetable or vegetarian,sitting for short time after school were all suggesting protective factors for weight. Conclusion Overweight or obesity of parents is associated with children＇s overweight and obesity. Lacking of exercise is related to obesity among adolescents. The next step to prevent obesity in children and adolescents is to extend their nutrition knowledge,adjust diet,do more exercise and enhance their strength,confidence to improve and protect their health.