成都市中小学生肥胖和近视干预

Intervention on Obesity and Myopia Among Students in Chengdu

目的降低成都市中小学生肥胖和近视的发病率,探讨可持续性控制中小学生肥胖和近视的有效策略及方法。方法 2006-2010年连续5年在全市中小学实施以政策促进、网络建设、项目推动、健康教育、日常督导等为主要框架的综合干预,并于干预前后采用分层随机抽样的方法,选取城乡中小学生对其肥胖和近视的发病率进行比较以评估干预效果。结果干预后学生总体超重肥胖率为16.9%,较干预前有显著降低(P=0.0000),尤其是城市学生的超重肥胖率降低最为明显。干预后学生总体近视率为56.7%,较干预前略有降低,其中农村男、女的初中组和城市女生的初、高中组均有显著降低(P<0.05)。结论本研究的综合干预措施对肥胖和近视的防治是积极有效的。

Objective To reduce the incidence rate of obesity and myopia among of primary and middle school students in Chengdu,and explore the effective strategies and methods of controlling students＇ obesity and myopia.Methods The comprehensive intervention were applied for all primary and middle school students in Chengdu within 5 years（2006-2010）,and the prevalence of obesity and myopia were compared before and after the interventions to evaluate the effects with stratified random sampling method.Results The rate of overweight and obesity was 16.9% after the interventions,which was dropped significantly compared with before（P=0.0000）,especially in urban students.The rate of myopia was 56.7% after the interventions,which was dropped a little compared with before,especially the groups of rural male in middle schools,rural female in middle schools,urban female in middle schools and urban female in high schools were dropped significantly compared with before（P0.05）.Conclusion This study is effective to control the prevalence of obesity and myopia among the students through comprehensive intervention implementation.