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根据中国政府与联合国儿童基金会合作决定,1992年在我国30个省市、自治区进行一次中国儿童情况抽样调查.调查标准时间为1992年6月1日零点正.调查的主要内容是儿童出生、死亡、生长发育、计划免疫及接受教育等基本情况,以及生存环境状况.根据国家统一的分层整群抽样方案,上海农村共抽选出129个乡,167个村,8193户调查户中的4997名14岁以下儿童和4884名1976年以来怀过孕的妇女,样本
According to the cooperation between the Chinese government and the United Nations Children’s Fund, a sample survey of Chinese children was conducted in 30 provinces, municipalities, and autonomous regions in China in 1992. The standard time for the survey was zero on June 1, 1992. The main content of the survey was that children were born, Basic conditions such as death, growth and development, planned immunization, and access to education, as well as living environment conditions. According to the national unified stratified cluster sampling scheme, 129 townships, 167 villages, and 8193 households were selected in Shanghai rural areas. 4997 children under 14 and 4884 women who have been pregnant since 1976, samples