拉萨市农村6~35月龄儿童血红蛋白水平状况调查
首发时间:2011-09-29
摘要:目的:了解拉萨市农村6~35月龄儿童血红蛋白(Hb)水平并估计高海拔地区儿童贫血患病状况。方法:采用横断面研究设计与分层多阶段整群随机抽样方法调查了拉萨市2个县的6个乡镇农村6~35月龄的儿童及母亲540对,采用B-Hemoglobin血红蛋白仪,取儿童指末梢血10ul测量Hb含量。运用CDC法对Hb进行海拔调整,估计该人群贫血患病率。结果:调查儿童所在村的海拔为3687.8±60.0米,儿童Hb水平为112.9±18.7g/L,男童Hb水平(110.8±19.0g/L)明显低于女童(115.2±17.4g/L)(P=0.006)。协方差分析控制海拔因素后,儿童在24~35月龄段Hb水平明显高于6~23月龄段(P<0.001)。运用CDC法对Hb进行海拔调整后,儿童Hb水平为84.2±18.8g/L,贫血患病总率高达90.7%,贫血患病率随着儿童月龄的增加呈下降的趋势(P<0.001),男童贫血的程度相对于女童更严重。结论:拉萨市农村婴幼儿贫血患病率较高,尤其在6~23月龄之间。建议给予当地儿童营养干预,重点关注男童贫血的改善。
关键词: 血红蛋白 贫血患病率 6~35月龄儿童 拉萨市农村
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Study on the status of Hemoglobin levels among children 6~35 months old in rural Lhasa
Abstract:Objective: To study the hemoglobin status of children at the age of 6~35 months and the prevalence of anemia in rural Lhasa. Methods: Cross-sectional study and randomly sampling were used. Blood was collected on tip of finger and the level of Hb was measured using B-Hemoglobin photometer. We adjusted the Hb based on altitude, using method of CDC and then estimated the prevalence of anemia. Results: In 2010, 540 children of age 6~35 months living at 3608~3776 meters above sea level in rural Lhasa were examined. The findings indicated that the average Hb was 112.9±18.7g/L, there was significant difference for Hb between boys and girls, Hb level of boys was lower than that of the girls. Analysis of covriance indicated, after controlling the factor of altitude, looking at different age structures, we found that the Hb level was lower at age 6~23 months than that of 24~35 months of age after birth. CDC method used for correction of Hb, the average Hb was about 84.2±18.8g/L and prevalence of anemia was 90.7%. The prevalence of anemia showed decreased with the increasing of age, anemia of boys is to be more serious than that girls. Conclusion: The prevalence of anemia of children in rural Lhasa might be higher, especially 6~23 months of age. So we suggested that proper intervention as nutrition for the children would decrease the prevalence of anemia of local children, it is important to promote nutrition for the boys. CDC method might not be suitable for correcting Hb of Tibetan children.
Keywords: Hemoglobin prevalence of anemia children of age 6~35 months rural Lhasa
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