Abstract: Objective To explore the effect and strategy of reducing children stunting through micronutrient supplementation in rural areas of Guizhou province. Methods Based on household survey data, the coverage of children VitA supplementation and zinc supplementation from 2008 to 2012 was described in the investigation areas of Guizhou, Logistic regression was used to analyze influence factors of children micronutrient supplementation, the LiST was used to predict the effect on stunting if the coverage of children VitA and zinc supplementation is gradually improved to 99.9% in 2020. Results The coverage of children VitA and zinc supplementation in 2012 in the investigation areas were 50.9% and 31.7%.The main influence of factors children micronutrient supplementation were mother's education and nation.Improving the coverage of VitA and Zinc supplementation to 99.9% in 2020 could reduce stunting rate by 1.26%. Conclusions Improving the coverage of children micronutrient supplementation could effectively reduce stunting rate in rural areas of Guizhou.Interventions that focus on mothers with relatively low education and who come from minorities should be conducted to improve the coverage of children micronutrient supplementation in rural areas of Guizhou.

Key words: micronutrient supplementation, stunting, children

摘要： 目的 探索通过儿童微量元素补充降低贵州省农村地区儿童生长发育迟缓的效果和策略。方法 根据入户调查数据, 描述2008-2012年贵州省调查地区的儿童VitA补充率及锌补充率, 利用Logistic回归分析影响当地儿童微量元素补充的因素, 利用生命挽救工具预测将儿童VitA补充率及锌补充率逐步提高至2020年99.9%水平对降低儿童生长发育迟缓的效果。结果 2012年贵州省调查地区儿童VitA补充率和锌补充率分别是50.9%与31.7%, 影响儿童微量元素补充的主要因素是母亲文化程度和民族, 2020年将儿童VitA覆盖与锌覆盖提升至99.9%, 可将当地儿童生长发育迟缓率降低1.26%。结论 应主要通过加强对文化程度较低及非汉族母亲群体的干预, 提高儿童微量元素补充覆盖率, 有效降低未来贵州省农村地区的儿童生长发育迟缓率。

关键词: 微量元素补充, 生长发育迟缓, 儿童