杭州市7～18岁儿童青少年体质指数标准研究

Study on the Distribution of Body Mass Index among Children and Adolescents Aged 7～18 Years in Hangzhou

目的研究杭州市7～18岁儿童青少年体质指数（BMI）分布、超重和肥胖的检出率。方法抽取21536名杭州城区17所小学和12所中学学生作为研究对象，以国际生命科学会中国肥胖问题工作组（WGOC）颁布的“中国儿童青少年超重、肥胖体质指数筛查分类标准”作为参考标准，对学龄儿童青少年进行体质指数研究。结果杭州市男性学龄儿童青少年超重（P85）和肥胖（P95）普遍要高于WGOC标准；女性学龄儿童青少年超重（％）7—10岁组要稍高于WGOC标准，大于10岁各年龄组的超重BMI值都要低于WGOC标准；而肥胖（P醅）各年龄组的值均低于WGOC标准。各年龄组超重与肥胖检出率男生平均高达23．5％和10．0％，女生也有14．0％和4．9％。结论杭州市学龄儿童青少年超重和肥胖的流行水平较高，尤其是男性学龄青少年，应尽快将超重和肥胖的防治列入学校卫生工作的重点，开展适宜的健康教育，引导学生和家长建立正确的生活习惯和健康观念。

Objective To study the body mass index （BMI） distribution and the prevalence of overweight and obesity among children and adolescents in Hengzhou. Methods Based on the BMI reference criteria for screening overweight and obesity in Chinese children and adolescents which was set up by the Working Group On Obesity in Chinese （WGOC）, totally 21536 children and adolescents aged 7 - 18 yeas were sampled, which from 17 primary schools and 12 high schools. Results The P85 anti P95 of BMI in male students were higher than WGOC criteria for overweight and obesity. The P85 of BMI in female students aged 7 - 10 years was higher than WGOC criteria for overweight, while those in older aged groups were lower than the WGOC criteria; the P95 of BMI in all age groups were lower than WGOC criteria for obesity. The prevalence rates of overweight and obesity were 23.5% and 10.0% respectively for boys and 14.0% and 4.9% respectively for girls. Conclusions ＇rne prevalence of overweight and obesity among children and adolescents in Hangzhou are high, especially in boys. The emphasis of school health work should be put on prevention and control of them, such as carrying out health education, leading students and their parents to set up right life style and healthy concept.