深圳市学龄儿童BMI肥胖标准参考值的建立

SETTING UP BMI VALUES ON EVALUATING OBESITY OF PUPILS IN SHENZHEN.

目的 :建立以深圳市学龄儿童为参照人群的 BMI肥胖标准参考值 ,并对其 BMI值进行研究。方法 :采用随机整群抽样法抽取本市区内三所小学共 45 74名儿童 ,以百分位数确立学龄儿童的 BMI肥胖标准值 ;对其 BMI值的分布及差异进行统计学分析 ;比较 BMI肥胖标准参考值法和身高标准体重法对我市学龄儿童单纯性肥胖的判断结果。结果 :建立了以男生 BMI的 P85 、女生 BMI的 P90 为标准的我市学龄儿童各年龄组的 BMI肥胖判断标准参考值 ;学龄儿童的 BMI值随年龄而增大 ,7～ 11岁各年龄组男生 BMI值大于女生 ;用 BMI法判断得出我市学龄儿童单纯性肥胖症检出率为 12 .6 8% ,与身高标准体重法判断得出的结果差异无显著意义。结论 :BMI肥胖标准参考值法作为现行身高标准体重法的一个补充 ,更能深入学校和家庭且便于学生自查 ;

Objective:To set up BMI criteria on evaluating obesity and to study BMI values of pupils in Shenzhen.Methods:4574 cases of students aged among 7 to 13 were randomly sampled from 3 of the local primary schools in shenzhen to establish BMI criteria by percentile,then the distribution of BMI and the differences of BMI owing to age and sex were analyzed.The results of simple obesity of pupils judged respectively by two different ways:the BMI criteria and weight for height standard were compared.Results:Established a standard for determining obesity of pupils in shenzhen,which based on P 85 (for boy) and P 90 (for girl) of BMI;BMI values increased along with ages,and BMI of boys was higher than that of girls in 7～11 age group.The rate of primary pupils simple obesity was 12 68% according to BMI criteria in 1999 of shenzhen,and there was no statistical significance when compared with the rate got by weight for height standard method.Conclusion:BMI criteria method is a more convenient method for check by children themselves,as well as a complement for current weight for height standard,and also is significant for comparison among nations.