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目的了解2014年江西省7~22岁汉族学生体重指数(Body Mass Index BMI)分布及超重和肥胖流行特征,为开展学生超重和肥胖防治工作提供参考。方法用分层、随机、整群抽样的方法,抽取江西省内3所高校和41所中(小)学中7~22岁学生8 812名,由经统一培训的调查员采取面对面询问调查和身体测量的方式,收集相关信息进行分析。结果本次调查学生平均BMI为(19.17±3.33)kg/m2;男生大于女生(P<0.001);城市大于农村(P<0.001);BMI随着年龄的增加而增加,到15岁及以后BMI趋于稳定。超重和肥胖率分别为10.91%和4.68%;超重和肥胖率均男生高于女生(P值均<0.001),城市高于农村(P值均<0.001);超重和肥胖率有随年龄的增加而降低的趋势(P值均<0.050)。结论江西省学生超重和肥胖状况不容忽视,应加强学校、家长和学生的健康教育,采取综合措施进行干预。
Objective To understand the distribution of body mass index (BMI) and the prevalence of overweight and obesity among Han students aged 7-22 years in Jiangxi province in 2014, so as to provide references for the prevention and control of overweight and obesity. Methods By stratified, randomized and cluster sampling method, 8 812 students from 7 to 22 years old from 3 colleges and 41 primary and secondary schools in Jiangxi Province were sampled. Investigators who received unified training conducted face-to-face interviews and questionnaires Body measurement methods to collect relevant information for analysis. Results The mean BMI in this survey was (19.17 ± 3.33) kg / m2; the male was higher than the female (P <0.001); the urban was larger than the rural (P <0.001); the BMI increased with age, becoming steady. Overweight and obesity rates were 10.91% and 4.68% respectively; both overweight and obesity rates were higher in boys than girls (P <0.001), in urban areas higher than in rural areas (P <0.001); overweight and obesity rates increased with age While the decreasing trend (P <0.050). Conclusion The overweight and obesity status of Jiangxi students should not be neglected. Health education should be strengthened for schools, parents and students, and comprehensive measures should be taken to intervene.