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首页> 外文期刊>Transactions of the Royal Society of Tropical Medicine and Hygiene >Risk factors for anemia in children under 6 years of age in Ethiopia: Analysis of the data from the cross-sectional Malaria Indicator Survey, 2007
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Risk factors for anemia in children under 6 years of age in Ethiopia: Analysis of the data from the cross-sectional Malaria Indicator Survey, 2007

机译：埃塞俄比亚6岁以下儿童贫血的危险因素：2007年横断面疟疾指标调查数据的分析

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Background: Malaria is a leading cause of morbidity in Ethiopia. However, its transmission varies in both space and time, and large areas of the country are hypoendemic and epidemic-prone. The Ethiopia National Malaria Indicator Survey 2007 is a cross-sectional, nationally-representative household survey. The objective of the analyses presented here were to use the survey's data to identify factors associated with anemia presence in children under 6 years of age (U6); specifically, investigate the association between malaria and anemia; and discuss using anemia as a malaria proxy biomarker in the Ethiopian hypo-endemic transmission setting. Methods: The survey sampled 4185 households in 347 enumeration areas ≤2500 m above sea level. Primary outcome was increasing anemia severity in sampled children: no anemia (Hb: ≥11g/dl); mild anemia (Hb: ≥8g/dl and <11g/dl); and moderate-severe anemia (Hb: <8g/dl). Secondary outcomes were positive malaria rapid diagnostic test (RDT) or blood slide microscopy. Results: The analysis included 6054 (92.0%) children U6 in 3962 households. The proportion of children with no anemia, mild anemia, and moderate-severe anemia was 63.6%, 31.3%, and 5.1%, respectively. The overall prevalence of anemia (Hb <11g/dl) was 36.4% (95% CI 34.4-38.4). Factors independently associated with reduced relative odds of anemia categories were age (OR=0.7, 95% CI 0.7-0.7) and female sex (OR=0.9, 95% CI 0.8-1.0); malaria RDT positivity was associated with increased relative odds of a more severe anemia category (OR=5.8, 95% CI 3.7-9.2). Conclusions: We conclude that at altitudes ≤2500 m malaria appears to be a significant risk factor for anemia; potentially anemia could be used as a useful proxy biomarker for malaria and its control in Ethiopia.
机译：背景：疟疾是埃塞俄比亚发病的主要原因。但是，它的传播在时空上都不同，该国的大部分地区都是流行病，容易流行。埃塞俄比亚《 2007年全国疟疾指标调查》是一项横断面，具有国家代表性的家庭调查。在此进行分析的目的是利用调查数据来识别与6岁以下儿童（U6）中贫血相关的因素;具体来说，调查疟疾和贫血之间的关系;并讨论了在贫血症的埃塞俄比亚低流行传播环境中将贫血用作疟疾代理生物标志物。方法：本调查对海拔≤2500 m的347个调查点的4185户家庭进行了抽样调查。主要结果是抽样儿童的贫血严重程度增加：无贫血（Hb：≥11g/ dl）;轻度贫血（Hb：≥8g/ dl和<11g / dl）;中重度贫血（Hb：<8g / dl）。次要结果是疟疾快速诊断测试（RDT）阳性或血液镜检查。结果：分析包括3962户家庭中的6054名U6儿童（92.0％）。无贫血，轻度贫血和中度重度贫血的儿童比例分别为63.6％，31.3％和5.1％。贫血的总体患病率（Hb <11g / dl）为36.4％（95％CI 34.4-38.4）。与贫血类别相对几率降低相关的独立因素是年龄（OR = 0.7，95％CI 0.7-0.7）和女性（OR = 0.9，95％CI 0.8-1.0）;疟疾RDT阳性与更严重的贫血类别的相对几率增加相关（OR = 5.8，95％CI 3.7-9.2）。结论：我们得出结论，在≤2500 m的高度，疟疾似乎是贫血的重要危险因素。潜在的贫血可以用作疟疾及其在埃塞俄比亚控制中的有用替代生物标志物。

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