【摘要】 目的 了解学龄前儿童高铅血症的现况，探讨高铅血症的影响因素。 方法 采用随机整群抽样方法，对武汉市1757名学龄前儿童进行血铅测定及影响因素调查。 结果 儿童高铅血症检出率为5.18%。儿童血铅受主要抚养人文化程度、是否常吃爆米花和皮蛋、幼儿园与马路的距离、从事铅暴露职业的父母习惯、儿童年龄以及家庭装修等因素影响。 结论 儿童高铅血症受其生活习惯和环境等因素影响，应开展血铅筛查，早期发现血铅异常儿童，尽可能减少高铅血症对儿童健康的危害。

    【关键词】 铅中毒，神经系统;血液化学分析;因素分析;统计学;儿童，学龄前

    Analysis of Blood Lead Status and Influencing Factors of Preschool Children/

    LIUHui-yan* ，CHENKai-ming，SUN Chun-yang，et al.

    * Department of Maternity and Child Heath Care，Public Health School ofTongji Medical College，Huazhong University of Science and Technology，Wuhan(430030)，China

    【Abstract】 Objective To study the prevalence of blood lead among preschool children，and to explore the influencing factors to lead poisoning.Methods A random cluster sample of1757preschool childrenwere chosen.Their blood lead level were examined and the influencing factors were surveyed.Results The prevalence of blood lead was5.18%.the influencing factors to children blood lead level were education level of principal care taker ......