【目的】 了解西安市城区儿童、青少年超重和肥胖的发病情况。 【方法】 随机整群抽取西安市城区7~18岁中小学生13 994人,采用体质指数(body mass index,BMI)诊断超重和肥胖。采用三次样条对西安市7~18岁儿童青少年体重、身高和BMI百分位数进行拟合,将身高,体重P50,及BMI的P85、P95百分位数值与2005年中国全国标准进行比较。 【结果】 西安市城区7~18岁中小学生超重总发病率为10.42%,男生和女生分别为11.85%和8.83%;肥胖总发病率为4.67%,男生和女生分别为4.92%和4.40%。男生身高P50值在10~15岁(除12岁)比全国标准稍低,男女体重和女生身高P50中位数与全国数值基本接近;男生BMI的P85、P95数值与2005年全国水平基本接近;女生P85和P95值在14岁以前与全国水平基本接近,15岁后有所减低。 【结论】 西安市中小学肥胖发病率在17年间增加了一倍,制定预防儿童超重和肥胖的有效措施势在必行。
Abstract
【Objective】 To investigate the current prevalence of overweight and obesity among children and adolescence in Xi'an urban area. 【Methods】 13 994 students with 7~18 years were investigated prevalence overweight and obesity using random cluster sampling method.The overweight and obesity were defined with according to body mass index(BMI) criteria.Cubic smoothing spline was used to directly calculated weight,height and BMI of children and adolescents aged 7~18 years in Xian urban.P50 of weight and height,P85 and P97 of BMI were compared to China standard curves in 2005. 【Results】 The incidence of overweight children with 7~18 years was 10.42%,those of boys and girls were respectively 11.85% and 8.83%.The incidence of obesity children with 7~18 years was 4.67%,those of boys and girls were respectively 4.92% and 4.40%.The centile curves of P50 of weight for boys and girls,height for girls were similar with that of China standardization curves height and weight of children with 0~18 years in 2005.The centile curves of P50 of height for boys with 10~15 years was a little lower than those of China standardization curves.The centile curves of P85,P95 of BMI for boys were similar with that of China standardization curves.The centile curves of P85,P95 of BMI for girls below 14 years were similar with that of China standardization curves, but that of after 15 years was a little lower than China standardization curves. 【Conclusions】 The incidence of obesity students with 7~18 years in Xi'an doubled within 17 years.The effective precautionary measures of overweight and obesity among children and adolescence are the necessary tideway of the situation.
关键词
儿童和青少年 /
肥胖 /
发病率
Key words
children and adolescence /
obesity /
prevalence
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参考文献
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基金
陕西省科学技术研究发展计划项目[2008K14-05(2)]
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