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目的根据项目地区儿童血红蛋白的测量结果,了解中国西部农村3岁以下儿童的贫血状况,筛选相关因素进行分析并制定干预措施。方法采用分层随机抽样法,于2005年对中国西部10省46个项目县的9616名3岁以下儿童及其家庭进行调查和血红蛋白测定。应用SPSS 11.5统计软件完成所有资料分析。根据世界卫生组织和联合国儿童基金会提出6月龄至6岁以下儿童血红蛋白<110 g/L的儿童贫血诊断标准。结果中国西部10省项目地区3岁以下儿童贫血患病率为33.8%,儿童贫血随月龄变化,12～18月龄是3岁以下儿童贫血患病率的高峰,以后贫血患病率随月龄增加而下降;多因素logistic回归分析显示,儿童月龄、性别、民族、母亲贫血、生长迟缓、铁锅做饭和单独为儿童做饭与儿童贫血有统计学联系。结论应针对相关影响因素开展干预措施,降低西部农村地区儿童的贫血患病率。
Objective To understand the anemia status of children under 3 years of age in rural areas of western China based on the measurement results of hemoglobin in children in the project area, screen and analyze related factors and make interventions. Methods By stratified random sampling method, in 1996, 9616 children under 3 years old and their families in 46 counties of 10 provinces in western China were investigated and the hemoglobin was measured. Apply SPSS 11.5 statistical software to complete all data analysis. According to WHO and UNICEF, diagnostic criteria for anemia in children with hemoglobin <110 g / L for children between 6 months and 6 years of age are presented. Results The prevalence of anemia among children under 3 years of age in the 10 western provinces of China was 33.8%. The prevalence of anemia in children aged 12 to 18 months was the peak of anemia among children under 3 years old. The prevalence of anemia after that Multivariate logistic regression analysis showed that children’s age, sex, ethnicity, mothers’ anemia, growth retardation, cooking in wok and children’s cooking alone had a statistical relationship with children’s anemia. Conclusion Interventions should be made according to the relevant factors to reduce the prevalence of anemia in children in western rural areas.