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目的建立合理适用的蒙古族7～18岁儿童青少年超重、肥胖的体质指数(BMI)参考值标准。方法取“全国学生体质健康调研”蒙古族通辽校点2000年的调查数据,有效人数为5 563人,以BMI为指标采用有序样品聚类分析方法对样本划分最优年龄段,再结合百分位数法确定超重、肥胖的界值点。结果男女均划分为7～8岁、9～11岁、12～13岁、14～15岁、16～18岁共5个最佳年龄段,以每个年龄段的85百分位为超重的界值点,95百分位为肥胖的界值点,建立了蒙古族儿童青少年的BMI参考值标准,共计20个参考值。结论该研究所建立的参考值标准针对蒙古族儿童青少年,突出了简单、实用的特点,可为蒙古族儿童青少年超重、肥胖的筛查、防治及临床诊断提供依据。
Objective To establish a reasonable body mass index (BMI) criteria for overweight and obesity among children and adolescents aged 7-18 in Mongolia. Methods The survey data of “National Student Physical Health Survey” in Tongliao, Mongolia in 2000 showed that the number of valid participants was 5 563, the optimal age was divided by BMI Combined with the percentile method to determine the threshold of overweight and obesity. Results The men and women were divided into five groups of 7 to 8 years old, 9 to 11 years old, 12 to 13 years old, 14 to 15 years old and 16 to 18 years old. The 85th percentile of each age group was overweight The cut-off point, 95th percentile, is the cut-off point for obesity, establishing the BMI reference standard for Mongolian children and adolescents, for a total of 20 reference values. Conclusion The reference standard established by this research aims at Mongolian children and adolescents and highlights the simple and practical features. It can provide the basis for the screening, prevention and clinical diagnosis of overweight and obesity in children and adolescents in Mongolia.