Prevalence and influencing factors of anemia among 6-23 months old children in poor rural areas
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摘要: 目的 了解贫困农村地区6~23月龄婴幼儿贫血现状及其影响因素,为制定针对性的干预措施提供依据。方法 于2015年8月在湖南省武陵山区和罗霄山区25个贫困县采用乡级概率比例规模抽样方法,随机抽取7 221名农村6~23月龄婴幼儿作为研究对象,进行问卷调查并测定血红蛋白,采用多因素非条件logistic回归模型分析其贫血影响因素。结果 25.2%的婴幼儿贫血,其中95.9%为轻度贫血,4.0%为中度贫血,0.1%为重度贫血;多因素分析结果显示,12~17月龄(OR=0.812,95%CI=0.709~0.931)、18~23月龄(OR=0.552,95%CI=0.475~0.640)、侗族(OR=0.717,95%CI=0.558~0.922)、父亲职业为商业服务人员(OR=0.864,95%CI=0.756~0.986)、母乳喂养(OR=1.459,95%CI=1.281~1.660)和有效服用营养包(OR=0.742,95%CI=0.663~0.830)是贫困农村地区6~23月龄婴幼儿贫血的影响因素。结论 贫困农村地区6~23月龄婴幼儿贫血患病率仍处于较高水平,且受多种因素影响。Abstract: Objective To investigate anemia prevalence and its influencing factors among rural children aged 6-23 months in poor areas and to provide evidences for making effective intervention measures.Methods Totally 7 221 rural infants and young children aged between 6 and 23 months in 25 poor counties in Wuling and Luoxiao mountainous areas of Hunan province were selected using township-based probability proportional to size (PPS) sampling and surveyed with a questionnaire interview with their caregivers and hemoglobin measurement in August 2015.Logistic regression analysis was used to analyze influencing factors of anemia prevalence.Results The prevalence of anemia in the children was 25.2%.Among the children with the disorder,the proportion of mild,moderate,and severe anemia were 95.9%,4.0%,and 0.1%,respectively.Multivariate analysis showed that significant influencing factors for anemia included aged 12-17 months (odds ratio[OR]=0.812,95% confidence interval[95%CI]=0.709-0.931),aged 18-23 months (OR=0.552,95%CI=0.475-0.640),Dong nationality (OR=0.717,95%CI=0.558-0.922),with a father working in service industry (OR=0.864,95%CI=0.756-0.986),with breast feeding(OR=1.459,95%CI=1.281-1.660),and with effective use of packaged nutrition supplement (OR=0.742,95%CI=0.663-0.830)among the infants and young children.Conclusion The prevalence of anemia in the children aged between 6 and 23 months in poor rural areas of Hunan province is still at a relatively high level and influenced by multiple factors.
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Key words:
- poor areas /
- infants /
- anemia /
- influence factor
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