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目的:在马拉维儿童恶性营养不良发生的高危人群中评价抗氧化剂的补充对预防恶性营养不良的效果。研究设计:前瞻性、双盲、安慰剂对照试验,以家庭为单位随机分组。地点:马拉维南部农村的8个村庄。研究对象:来自2156个家庭,年龄1~4周岁的2372名儿童参加研究,其中2332人完成试验。
OBJECTIVE: To evaluate the effectiveness of antioxidant supplementation in the prevention of malnutrition in high-risk populations in Maldivian children with malnutrition. Study Design: A prospective, double-blind, placebo-controlled trial randomized to family as a unit. Location: 8 villages in southern rural Malawi. PARTICIPANTS: A total of 2372 children, aged from 1 to 4, from 2156 families participated in the study, of whom 2,332 completed the trial.