兰州市青少年超重与肥胖现状及影响因素分析

Prevalence of overweight and obesity among adolescents in Lanzhou and logistic regression analysis on related risk factors

目的了解兰州市青少年超重与肥胖的患病状况和影响因素,为预防和控制超重与肥胖提供科学依据。方法采取多阶段随机整群抽样法,抽取兰州市兰化一中和五十一中初一至高三1 400名学生作为调查对象,分别对其进行体格检查和流行病学调查,并对肥胖的影响因素采用Logistic回归分析。结果兰州市男、女生超重率分别为14.73%,4.13%,肥胖率分别为3.08%,1.54%;标准化后男生超重率和肥胖率均高于女生。超重肥胖的主要危险因素是性别、饮酒、吸烟、睡眠时间不足、每周多次吃鱼(OR值均>1),保护因素有锻炼、充足的睡眠(OR值均<1)。结论青少年超重、肥胖检出率高。应尽快采取措施,在青少年人群中开展超重和肥胖干预工作。

Objective To understand the prevalence of overweight and obesity and related factors of adolescents in Lanzhou so as to provide scientific methods to prevent obesity.Methods By using multi-stage random cluster sampling,1 400 adolescents aged 11 to 20 were selected from two middle schools and examined by physical examinations.The related factors of overweight and obesity in adolescents were analyzed by Logistic regression.Results The overweight rate of boys and girls was 14.73% and 4.13% respectively;the obesity rate was 3.08% and 1.54% respectively.The overweight and obesity rate of boys are higher than girls after standardization.The risk factors of obesity were sex,drinking alcohol,cigarette smoking,lack of sleep and eating fish more than one time,while protection factors were physical exercise and enough sleeping.Conclusion The overweight and obesity prevalence in adolescents are high.The overweight and obesity prevalence of boys are higher than girls after standardization.Actions should be taken to prevent adolescents from overweight and obesity as soon as possible.