Methods 21 088 subjects aged 0~3 years old who all came from 19 districts and counties of shanghai city and lived in their families,received sampling investigation.

• 方法在2002年抽样调查上海市19个区、县21 088名0~3岁散居儿童,对其在社区儿保门诊定期体格测量的资料,参照WHO身高标准评价体重的方法对儿童的超重和肥胖进行分析比较。