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目的了解2005年蒙古族6～18岁学生体重指数(BMI)分布特征,为改善学生健康状况提供依据。方法采用分层整群抽样方法,选择具有代表蒙古族集居区的通辽市的科左后旗、科尔沁区中的6所蒙古族中小学校及幼儿园,6～18岁学生,城乡各占50%,共3211名,对其体质指数分布特征进行统计分析。结果2005年蒙古族学生17岁前BMI指数总体随年龄增长呈现逐年增加趋势;17岁后在相对稳定的状态下有所起伏,其中有性别差异,青春期前后女生BMI指标低于男生,进入青春期后女生BMI指标明显高于男生。而城乡差异不明显,只有城乡男生16岁、城乡女生8岁差异有统计学意义。结论对蒙古族学生形态发育状况应引起高度重视,并应采取相应的综合防治措施。
Objective To understand the distribution characteristics of body mass index (BMI) of Mongolian students aged 6-18 years in 2005, and to provide basis for improving students’ health status. Methods Stratified cluster sampling method was used to select Kezuohou Banner of Tongliao City, which represents the Mongolian settlements, 6 Mongolian primary and secondary schools and kindergartens in the Horqin District, students aged 6-18 years, 50% , A total of 3211, the distribution of body mass index characteristics of statistical analysis. Results In 2005, the BMI index of Mongolian students increased gradually with the increase of age at the age of 17 years. After 17 years of age, the BMI index fluctuated in a relatively stable condition. There were gender differences in pre-adolescent girls’ BMI, Girls BMI index was significantly higher than boys. The difference between urban and rural areas is not obvious, only urban and rural boys 16 years old, urban and rural girls 8 years difference was statistically significant. Conclusions Mongolian students should attach great importance to the morphological development of the students, and should take corresponding integrated prevention and control measures.