2010年杭州市城乡中小学生生长发育状况调查

Growth and development status among elementary and middle school students in urban and rural areas of Hangzhou in 2010

目的:了解杭州市城乡中小学生生长发育水平及特点,为探讨预防对策提供依据。方法:对2010年全国学生体质调研杭州地区的数据进行分析,使用1995年中国儿童青少年体重指数(BMI)及年龄、身高标准分别筛查消瘦和生长迟滞来评价学生营养不良;采用《中国学龄儿童青少年BMI筛查超重、肥胖分类标准》(WGOC)筛查学生超重和肥胖状况。结果:2010年杭州市7～18岁学生营养不良、超重和肥胖检出率分别为5.51%、12.51%和5.81%,营养不良检出率女生高于男生,超重和肥胖检出率男生高于女生,肥胖检出率乡村高于城市。结论:杭州市中小学生的营养不良水平较低,营养过剩现象却较为严重。

Objective To investigate the level and character about the growth and development of elementary and middle school students in urban and rural areas of Hangzhou,and to provide evidence for preventive measures. Methods We analyzed the data of Physical Fitness and Health Surveillance of Chinese School Students （2010）from Hangzhou. According to The Chinese Child and Adolescents Agespecific Height（1995） for Age Growth Retardation Reference the prevalence of growth retardation and thinness were obtained. According to The Body Mass Index Reference Norm for Screening Overweight and Obesity in Chinese Children and Adolescents the prevalence of overweight and obesity were obtained. ResultsThe malnutrition, overweight and obesity rates among students aged 7--18 in Hangzhou were 5.51 ~, 12.51 ~ and 5.81%, respectively in 2010. The prevalence of malnutrition was higher among girls than boys,and over- weight and obesity rates were higher among boys as compared with girls and obesity rate was significantly higher in the rural students than that in the urban ones. Conclusions The malnutrition level was lower and hypernutrition was severe among elementary and middle school students in Hangzhou.