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一、研究方法 分别在河南省固始和商城两县用问卷调查的方式完成。调查人员是接受培训后来自河南省“寄研所”的项目工作人员。两县均位于豫东南的贫困落后地区。年人均收入534.5元,1993年人口分别为1425453人和649656人。共有55个乡、2261位乡村医生。两县均为我省不稳定疟疾高发区,1994年疟疾发病率分别为1.39/10万和4.12/10万。问卷分发给来自全县范围的参加县卫生局组织专业考试的519位乡村医生。
First, the research methods were completed in Gansu and Shangcheng counties in Henan Province by questionnaire survey. The investigators were project staff from Henan Institute of Research and Development after receiving training. Both counties are located in the poor and backward areas of southeastern Henan. The annual per capita income was 534.5 yuan. In 1993, the population was 1,425,453 and 649,656 respectively. There are 55 townships and 2261 village doctors. Both counties are high incidence of unstable malaria in our province. The incidence rates of malaria in 1994 were 1.39 / lakh and 4.12 / lakh respectively. The questionnaire was distributed to 519 village doctors from all county-level participating County Health Department who organized professional examinations.