临沂市儿童维生素A缺乏及其影响因素的研究  

INVESTIGATION OF VITAMIN A DEFICIENCY AND ITS CORRELATIVE FACTORS IN CHILDREN OF LINYI CITY

作　　者：胡怀富[1] 

机构地区：[1]临沂医学专科学校,山东临沂276002

出　　处：《临沂医学专科学校学报》2002年第6期447-449,共3页Journal of Linyi Medical College

摘　　要：目的　 探讨儿童维生素A缺乏的现状及其影响因素。方法　 采用分层抽样法抽取 180 0名城乡儿童 ,询问其膳食、健康、家庭状况等 ,以微量荧光法测定其血清维生素A的含量。结果　 儿童血清维生素A的均值为 (1.15± 0 .5 7) μmol/L ,维生素A缺乏 (VAD)为 4 .4 4‰ ,亚临床维生素A缺乏 (SVAD)为 11% ,可疑维生素A缺乏为 36 %。其SVAD、可疑SVAD的发生率随家庭收入的增高、年龄的增长、母亲文化程度的增高而降低 ;农村高于城市 ;常摄入富含维生素A食物者低于不常摄入者。结论　维生素A缺乏仍是儿童营养问题之一 ,以SVAD为主 。Objective To investigate the situations of vitamin A deficiency (VAD) and its correlative factors.Methods Stratified sampling method was used to sample 1800 children from urban and rural areas in Linyi City to investigate their diets,health and family condition.The content of vitamin A in the serum of each child was detected with fluorescent microtechnique.Results The content average of vitamin A in serum was 1.15 ±0.57 μmol/L.4.44‰ of the children were found to suffer from VAD and 11% of them were found to suffer from subclinical vitamin A deficiency (SVAD).36% of the samples was found to have dubious VAD.The incidence of SVAD and dubious SVAD declined as the income of a family increases,the children grows and the education of their parents is promoted.The incidences of them were also lower in a city than in the countryside.Children who often took in food rich in vitamin A were less likely to suffer from SVAD or dubious SVAD than those who seldom did.Conclusion VAD,especially SVAD,is still a major nutritional problem among children.A lot of factors play a part in the ocurrence of SVAD.

关 键 词：临沂市 儿童 维生素A缺乏 影响因素 研究 

分 类 号：R725.914.1[医药卫生—儿科]