山东省2010年7～18岁中小学生腰围和臀围发育状况调查

Study on waist circumference and hip circumference of 7-18 year-old children and adolescents in Shandong province

目的了解山东省儿童少年腰围（WC）和臀围（HC）发育水平，为建立中心性肥胖筛查标准提供参考。方法以2010年山东省学生体质健康调查研究中42275名7～18岁中小学生为研究对象，测量身高、WC和HC，分析WC、HC、腰臀比（腰围／臀围，WHR）和腰围身高比（腰围／身高，WHtR）的发育状况，并与国内文献资料比较。结果山东省7～18岁中小学生WC随年龄的增长而增加，各年龄组男生显著高于女生（P〈0．01）。男女生HC的发育曲线存在两次交叉：在11岁前男生大于女生，进入青春发育突增期后（12～14岁）女生超过男生，15岁后男生再次超过女生。山东省7～18岁中小学生WC第50百分位数（P50）比2008年国内15省调查数据高1-3～3．1cm（男）、1．2～2．0cm（女），比2005年香港调查数据高1．9～5．4cm（男）、2．0。6．5cm（女）。以2008年国内15省调查WCP90为界值，山东省7～18岁中小学生中心性肥胖总检出率男生为20．20％，女生为16．57％，男生显著高于女生（P〈0．01）；以WHtR／〉0．5为界值，中心性肥胖总检出率男生为15．73％，女生为7．38％，男生同样显著高于女生（P〈0．01）。结论山东省7～18岁中小学生WC发育水平较高。

Objective To study the development of waist circumference （WC） and hip circumference （HC） in children and adolescents in Shandong province, and to provide scientific data for developing related reference values for screening central obesity in Chinese children and adolescents. Methods Using data from ＇Student physical fitness and health surveillance 2010 project＇ in Shandong province, a total of 42 275 students aged 7-18 years were selected to participate in this study. WC, HC, waist-to-hip ratio （WHR） and wrist-to-statnre ratio （WSR） of subjects were measured. Comparison of data from the current study and other similar studies was made. Results The mean values of WC increased with age, and boys all significantly higher than girls in all age categories （P〈0.01）. There were two crosses on gender regarding the HC curves： before the age of 11 years, with mean HC higher in boys than in girls, but girls were higher than boys between the age of 12 to 14 while boys were also higher than girls after the age of 15 years. The 504 percentiles （P50） of WC of children and adolescents aged 7 to 18 years in Shandong appeared above the figures by 1.3-3.1 cm （boys） and 1.2-2.0 cm（girls） from 15 provinces in China as well as above the data from Hong Kong by 1.9-5.4 cm （boys） and 2.0-6.5 cm （girls）, respectively. Overall, 20.20% of the boys and 16.57% of the girls had a WC of ≥90^th percentile and 15.73% and 7.38% of the boys and girls had a WHtR of ≥0.5 which both showed significant differences between genders （P〈0.01）. Confusion Children and adolescents from Shandong province had a high level of WC.