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目的:了解银川市儿童血铅水平变化情况及相关因素。方法:对本市0～6岁1 296名儿童采用钨舟原子吸收光谱仪进行血铅检测并对相关因素问卷调查。结果:血铅≥100μg/L者占3.8%;散居儿童血铅水平高于集居儿童,差异有显著性(P<0.01);小年龄段儿童血铅水平高于大年龄段儿童;线性回归分析显示,儿童血铅水平与下列五项因素有关:①父亲从事铅作业职业,②与儿童共同居住的人中有从事铅作业者,③居住房屋楼层,④儿童经常使用口红、指甲油等化妆品,⑤儿童经常玩的玩具。
Objective: To understand the changes of blood lead levels in Yinchuan children and related factors. Methods: A total of 1,296 children aged 0 ~ 6 years old were tested for blood lead by Tungsten Arsenide Atomic Absorption Spectrometer. The related factors were investigated by questionnaire. Results: The blood lead level was higher than 100μg / L, accounting for 3.8%. The level of blood lead in diaspora was higher than that in living children (P <0.01). The level of blood lead was higher in younger children than in older children. Analysis shows that the level of blood lead in children is related to the following five factors: (1) the father is engaged in lead work, (2) the lead worker is working with children, (3) the floor of residential property, and (4) the children often use cosmetics such as lipstick and nail polish , ⑤ children often play toys.