中小学生减肥行为及其与体重认知的关系

发布时间：2018-10-20 13:47

【摘要】：目的了解儿童青少年营养状况和减肥行为的流行现状,为探索体重认知与减肥行为的关联提供参考。方法在2012年卫生公益性行业科研专项全国7个示范基地共选取53 890名中小学生为研究对象,进行体格检查和问卷调查,收集儿童青少年减肥行为与体重认知相关资料。采用多元Logistic回归分析体重认知相关变量与减肥行为的关联。结果6~18岁儿童青少年消瘦检出率为6.9%,超重肥胖检出率为24.3%。采取过减肥行为的小学生检出率为58.5%,初中生为65.9%,高中生为60.4%。在消瘦学生群体中,体重不满不会增加减肥行为的发生(P=0.29);而认为自己偏胖会增加减肥行为的发生(OR=5.28,95%CI=2.76~10.12,P0.01)。在体重正常学生群体中,对自己体重不满或认为自己体重偏胖的学生更容易采取减肥行为(OR=1.09,95%CI=1.03~1.16,P0.01;OR=1.57,95%CI=1.44~1.71,P0.01)。在超重肥胖的学生中,对自己体重不满和认为自己偏胖均会增加减肥行为的发生(P值均0.01)。结论中国儿童青少年超重肥胖率和减肥行为发生率较高。体重不满是正常体重和超重肥胖学生采取减肥行为的危险因素,且认为自己偏胖是儿童青少年采取减肥行为的危险因素。
[Abstract]:Objective to investigate the prevalence of nutritional status and weight loss behavior in children and adolescents, and to provide reference for exploring the relationship between weight cognition and weight loss behavior. Methods A total of 53,890 primary and middle school students were selected from 7 national demonstration bases for public health and public health research in 2012 to carry out physical examination and questionnaire survey, and to collect relevant data on weight loss behavior and weight cognition of children and adolescents. Multiple Logistic regression analysis was used to analyze the correlation between weight cognitive variables and weight loss behavior. Results the prevalence of weight loss was 6.9 and that of overweight and obesity was 24.3in children and adolescents aged 6 ~ 18 years. The detectable rate of primary school students who had taken weight-loss behavior was 58.5, that of junior high school students was 65.9, and that of high school students was 60.4. Weight dissatisfaction did not increase the incidence of weight loss behavior (P0. 29), but thought that overweight increased the incidence of weight loss behavior (OR=5.28,95%CI=2.76~10.12,P0.01). Students who were not satisfied with their weight or thought they were overweight were more likely to adopt weight loss behaviors (OR=1.09,95%CI=1.03~1.16,P0.01;OR=1.57,95%CI=1.44~1.71,P0.01) in normal weight group. Among overweight and obese students, dissatisfaction with their weight and thinking that they were overweight increased the incidence of weight loss (P = 0.01). Conclusion the prevalence of overweight, obesity and weight loss behavior is higher in Chinese children and adolescents. Weight dissatisfaction is the risk factor for normal weight and overweight and obese students to take weight loss behavior, and think that overweight is the risk factor for children and adolescents to take weight loss behavior.
【作者单位】：北京大学公共卫生学院/北京大学儿童青少年卫生研究所;
【基金】：2012年卫生公益性行业科研专项“1147”项目
【分类号】：R723.14

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