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目的:探讨定期普服维生素A(VA)对营养不良的干预效果。方法:对抽样人群5岁以下儿童口服维生素A大剂量突击法1年内口服VA两次(双剂量),每次10~20万IU,间隔6个月;采用《WHO 0~6岁儿童身高、体重参考值与评价标准》进行评价。结果:患病率及相对危险度:营养不良患病率服VA组明显低于对照组(服药前),低体重、发育迟缓和消瘦的RR分别为1.4、1.3和2.6,均有非常显著统计学意义。人群归因危险度百分比:服VA后比对照组各分别降低15.2%、12.4%和44.4%。结论:补充维生素A降低了营养不良的患病率。
Objective: To investigate the effect of regular vitamin A (VA) on malnutrition. Methods: A large dose of vitamin A was given orally to children under 5 years of age in the sampled population twice a day (two doses) of VA twice daily for 10 to 200,000 IU intervals of 6 months. The “WHO 0-6-year-old children’s height, Weight reference value and evaluation criteria ”for evaluation. Results: Prevalence and relative risk: The prevalence of malnutrition in the VA group was significantly lower than that in the control group (premedications), and the RRs for low birth weight, stunting and weight loss were 1.4, 1.3 and 2.6, respectively, with significant statistics Significance of learning. The percentage of people attributed to the risk: serving VA than the control group were reduced by 15.2%, 12.4% and 44.4%. Conclusion: Vitamin A supplementation reduces the prevalence of malnutrition.