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目的了解宁波市区儿童血铅水平及相关因素。方法采用随机整群抽样的方法，对１１所幼儿园１０１８名２～６岁儿童进行静脉血铅测定，并作相关因素问卷调查。结果血铅水平近似正态分布，儿童血铅均值为９７．８μｇ／Ｌ，大于１００μｇ／Ｌ者４１５名，占４０．７７％，高于上海及江苏中心城市。儿童接触橡胶橡皮、罐头食品（包括易拉罐）是儿童血铅水平升高的主要危险因素。结论目前宁波市区儿童血铅水平比较高，应予高度重视。
Objective To understand the blood lead levels and related factors in children in Ningbo city. Methods A random cluster sampling method was used to measure blood lead in 1018 children aged 2 ~ 6 years old in 11 kindergartens and related factors were investigated. Results The level of blood lead was approximately normal distribution. The average blood lead level in children was 97.8 μg / L, 415 more than 100 μg / L, accounting for 40.77%, higher than those in Shanghai and central cities of Jiangsu. Children exposed to rubber eraser, canned food (including cans) is the main risk factor for elevated blood lead levels in children. Conclusion At present, blood lead levels in children in Ningbo are relatively high and should be given high priority.