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儿童维生素A缺乏症是世界上四大营养缺乏病之一。一些资料表明儿童每日膳食中维生素A的摄入量未达到供给量标准。维生素A的长期摄入不足,势必造成体内的缺乏。国内关于维生素A营养状况的评价多采用膳食调查结果,为确切了解儿童维生素A的营养状况,我们于1987年3月对武汉市区及郊县农村3岁以下儿童血清维生素A水平进行了调查。 对象与方法 1.实验对象 从武汉市武昌区三个工厂托儿所抽取6月～3岁儿童260人,其家庭每人月平均收入在武汉市属中等经济水平。另从经济水平相似的汉川县近郊2个自然村抽取235名同龄儿童。
Vitamin A deficiency in children is one of the four major nutritional deficiencies in the world. Some data show that children’s daily dietary intake of vitamin A does not meet the supply standards. Long-term lack of vitamin A intake is bound to cause the body’s lack of. Domestic assessment of vitamin A nutritional status using dietary survey results, in order to know exactly the nutritional status of children’s vitamin A, we March 1987 in Wuhan urban and suburban rural areas of children under 3 years of age serum vitamin A levels were investigated. Subjects and Methods 1. Subjects From 260 children aged 6 months to 3 years from three factory nurseries in Wuchang District of Wuhan City, the monthly average income of each family member in Wuhan City is a middle-level economy. In addition, 235 children of the same age were taken from 2 natural villages in the suburbs of Hanchuan County with similar economic level.