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为了解云南省3-6岁儿童血压水平,我们于2002年6至10月进行了本次调查。1．对象与方法:采用整群抽样抽取16个地区的12个民族3-6岁儿童14 287例,采用典型抽样抽取厂矿幼儿园和机关幼儿园3-6岁儿童1600例,共15 878例,其中男童
To understand the blood pressure level of children aged 3-6 years in Yunnan Province, we conducted this survey from June to October 2002. 1. PARTICULARS AND METHODS: A total of 14 287 children aged 3-6 years from 12 ethnic groups in 16 regions were selected by cluster sampling. A total of 16008 children aged 3-6 years old from kindergartens and factory kindergartens were collected by using typical sampling. Among them, 15,878 were boys,