西安市城区六年级超重肥胖学生BMI及其影响因素分析

The BMI of the sixth grade students with overweight and obesity in Xi'an city and their related influencing factors

目的了解西安城区六年级超重肥胖学生饮食、运动状况,为制定儿童超重肥胖的预防措施提供科学依据。方法回顾性分析西安城区295名六年级超重肥胖小学生2009-2012年体重指数(BMI)变化情况;问卷调查其饮食习惯及运动状况。结果 2009-2012年超重肥胖学生BMI值呈逐年上升趋势(P<0.001)。超重肥胖儿童食欲好、进食速度快、每天坚持吃早餐人数少、喜吃甜食、有睡前加餐及喝奶习惯。超重肥胖学生看电视打游戏的时间长,而户外运动时间短。结论不良的饮食习惯及静态活动多而户外活动少等是小学高年级学生发展为超重肥胖儿童的影响因素。

Objective To invesgate diet habits and movement conditions for the sixth grade students with overweight and obesity in Xi＆#39;an City ,and provide scientific preventive measures about overweight and obesity .Methods 295 sixth grade students with overweight and obesity from Xi＆#39;an City were studied about body mass index （BMI） changes in 2009-2012 years ;known their diet habits and movement type through questionnaires .Results Their BMI value increased year by year （P〈0 . 001） .The students had some bad habits ,including overeating ,eating fast and eating breakfast fewer .They liked eating sweets and snacks ,drinking milk before sleep .They spended much more time on watching TV and playing games .Their outdoor sports time was shorter .Conclusion The influencing factors about overweight and obese of high grade students in primary school are various ,mainly including bad diet habits and more static activities and less outdoor activities .