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为了解和掌握我省碘缺乏病防治现状,按照卫生部制定的《碘缺乏病防治监测方案》要求,作者于1995年4～5月采用容量比例概率抽样法(PPS法)对全省进行了抽样调查,现将结果报告如下。1 材料与方法1.1 抽样方法 用PPS法在全省157个县(市、区)中随机抽取30个县(市、区),在被抽取的每个县(市、区)中再随机抽取1所小学,每所小学抽取8～10岁在校儿童40人进行检查,共抽取30所小学1200名儿童。
In order to understand and master the status quo of prevention and treatment of iodine deficiency disorders in our province, according to the “monitoring program of prevention and treatment of iodine deficiency disorders” formulated by the Ministry of Health, the author conducted a capacity-proportional probabilistic sampling (PPS) method from April to May 1995 Sampling survey, the results are reported as follows. 1 Materials and Methods 1.1 Sampling Methods Using PPS method, 30 counties (cities and districts) were randomly selected from 157 counties (cities and districts) in the province and randomly selected from each county (city and district) In primary schools, 40 primary schoolchildren aged from 8 to 10 were selected for primary school. A total of 1,200 primary school children were selected.