深圳市学龄前儿童微量营养素状况的调查

The Micronutrient Condition of Preschool Children in Shenzhen City

目的 了解深圳市学龄前儿童微量营养素状况 ,对以后指导其合理饮食提供科学依据。 方法 随机整群抽取深圳市 5家托幼机构 ,中、小班全体学龄前儿童 3 0 1名为调查对象 ,进行血清锌、铁、钙、血清维生素A等微量营养素测量。用SPSS10 .0统计分析软件进行分析。 结果 深圳市学龄前儿童维生素A的平均值为 1.68umol L ,缺乏率为40 .5 % ;血清锌含量平均值为 2 0 .3 9umol L ,缺乏率为 5 .3 2 % ;血清铁含量平均值为 15 .95umol L ,缺乏率为 3 7.5 % ;血清钙含量平均值为 2 .46mmol L ,缺乏率为 2 7.6%。 结论 深圳市学龄前儿童微量营养素锌、铁、钙存在不同程度的缺乏 ,维生素A的缺乏最为严重。因此 ,应加强对学龄前儿童营养宣教和微量营养素补充健康教育。

Objective To know about the micronutrient condition of preschool children, offer a scientific basis for guiding a reasonable diet. Methods Radom cluster sampling was used to choose 5 nursery schools,all 301 preschool children of low class were investigation object, and micronutrient measures such as serum zinc, iron, calcium and serum vitamin A were carried out. Using SPSS 10.0 to give a result analysis. Result The descriptive analysis of the Shenzhen City micronutrient condition of preschool children shows that the average content of vitamin A is 1.68 umol/L, the lack rate is 40.5%; the average content of serum zinc is 20.39 umol/L, the lack rate is 5.32%; the average content of serum iron content is 15.95 umol/L, the lack rate is 37.5%; the average content of serum calcium is 2.46 mmol/L, the lack rate is 27.6%. Conclusion Zinc, iron and calcium are still lack on different level in preschool children. Vitamin A is most seriously lacked. Therefore strengthen the nutrition propaganda education and micronutrient supplementary education is an effective and important way to increase micronutrient content of preschool children.