【摘要】 目的了解大连市小学生身体形态发育规律,为制定公共卫生政策和计划提供依据。方法采用追踪调查方法,对分层整群抽取的大连市933名小学生进行连续6 a体格监测。采用多水平模型,分析7～12岁学生身高、体重、BMI的变化及生长曲线。结果学生身高、体重、BMI均随年龄增长而增长。受年龄和性别的共同影响,6 a间小学男生和女生身高、体重、BMI表现出不同的生长规律,男生身高、体重、BMI的年平均生长速度(4.91 cm,0.87 kg,0.98 kg/m2),均高于女生(4.32 cm,-1.19 kg,-0.02 kg/m2)。结论大连市7～12岁小学生的生长发育符合一般规律。应该采取有效措施控制儿童青少年肥胖,尤其是男生。更多还原

【Abstract】 Objective To study the physical development of children and adolescents with accurate anthropometric data and to provide evidence for policy making and planning in public health.Methods With a longitudinal study design,the physical growth in 933 pupils from Dalian were monitored from 2004 to 2009.Longitudinal multilevel model(mixed model) was used to analyze the trajectory of growth from age 7 to 12 by gender.Results It was found that height,weight,and BMI increased with age.Due to interaction of age and gender,boys and girls exhibited different growth models.All the indices were higher for boys than for girls.Conclusion The patterns of growth and development for 7-12 year old school children in Dalian are in line with the general trend.In addition,effective measures should be taken to prevent childhood obesity,especially in boys.更多还原