马鞍山市初三学生超重肥胖状况及影响因素

Overweight,obesity and related factors among middle school students

目的了解安徽省马鞍山市初三学生超重、肥胖状况及其影响因素，为采取有效干预措施提供依据。方法整群随机抽取马鞍山市10所中学初三学生共4607名，采用问卷调查和人体测量相结合方法，调查超重、肥胖情况并分析影响因素。结果超重、肥胖学生检出率分别为10．2％与3．8％，男生超重检出率（13．5％）高于女生（6．9％），差异有统计学意义（χ^2=55．396，P〈0．05）；男生肥胖检出率（5．1％）亦高于女生（2．5％），差异有统计学意义（χ^2=20．830，P〈0．05）。13～15岁学生超重检出率高于16～18岁学生；市区学生超重、肥胖检出率均高于市郊（县）和乡镇，市郊（县）学生超重检出率高于乡镇，而肥胖检出率市郊（县）和乡镇之间差异无统计学意义。结论该人群超重、肥胖率较高，并与性别、年龄、家庭住址、父母文化程度等社会人口统计学特征有关。

Objective To ivestigate the status and influencing factors of overweight and obesity among middle school students in Maanshan city. Methods 4607 students in 10 middle schools were randomly selected from Maanshan using cluster sampling, Epidemiological investigation and anthropometric measurement were jointly carried out, Results The prevalence rate of overweight and obesity was 10.2 % and 3.8 %, respectively The prevalence rate of overweight in the male was significant higher than that of in the female （χ^2 = 55. 396, P 〈 0.05 ）, so did the prevalence rate of obesity （χ^2 = 20. 830, P 〈 0.05）. The prevalence rate of overweight in 13-15 age group wins higher than that of in 16-18 age group. The prevalence of overweight and obesity among students in city was higher than that of in outskirts and small town. There was a significant difference in the prevalence of overweight between outskirts and small town, but no difference was found in the prevalence of obesity. Conclusion The prevalence of overweight and obesity among middle school students in the city was very high, and significantly associated with demography features such as sexe, age, living area, education of parents.