合肥市0～5岁儿童维生素A缺乏情况及影响因素分析

Prevalence of Vitamin Deficiency and the Influencing Factors Among Children Aged 0-5 Years in Hefei

目的 了解合肥市0-5岁儿童维生素A的缺乏情况和影响因素，为采取相应的干预措施提供依据。方法 采用分层整群抽样方法，抽取合肥市0．5岁儿童1085名进行血清维生素A测定，同时进行包括膳食、健康、家庭情况的问卷调查。结果 合肥市儿童维生素A均值为29664g／dL，儿童维生素A肯定缺乏检出率为7．6％；均值和缺乏率城市与农村差异均有统计学意义（P=0．000），不同年龄组差异有统计学意义（P=0．000）。每日食用奶制品儿童和父母文化程度在大专以上的儿童维生素A缺乏率较低。结论 合肥市是0-5岁儿童维生素A缺乏轻度亚临床地区，应采取相应干预措施降低儿童维生素A缺乏率。

Objective To study the status of vitamin A deficiency and its influencing factors, and to provide bases for the intervention measures. Methods By using stratified cluster sampling, 1 085 children aged 0- 5 years in Hefei were selected. Their serum vitamin A was detected, and questionnaire survey was conducted among them including the contents of dietary, health and family information. Results The mean value of serum VA was 29.664 g/dL. Prevalence rate of VAD was 7.6%, and there were differences for mean value and VAD between city and country or different ages （ P = 0. 000）. Lower prevalence rate of VAD was found among the children having dais＇ every day and those whose parents with higher education level. Conclusion Hefei is the area of milder sub-clinical VAD. Measures should be taken to prevent VAD for children.