清远市幼儿发铅水平调查和相关因素分析

An Investigation on the Content of Pb in Hair of Children in Qingyuan City and Its Related Factors

为调查清远市幼儿发铅水平和相关因素 ,对 96名年龄在 2～ 3岁的健康幼儿进行了发铅检测 ,并根据居住环境、父母职业、饮食习惯进行了分组比较。结果表明 ,居住于市内组发铅(8 1 2± 1 1 1 )× 1 0 - 6 高于居住于市外组 (7 3 5± 0 5 5 )× 1 0 - 6 ,P <0 0 1 ,父母职业可能接触铅组(8 1 9± 1 0 5 )× 1 0 - 6 高于父母职业不接触铅组 (7 41± 0 62 )× 1 0 - 6 ,P <0 0 0 1。喝牛奶组 (7 2 7± 0 5 0 )× 1 0 - 6 低于不喝牛奶组 (8 2 7± 0 99)× 1 0 - 6 ,P <0 0 0 1。可见居住环境、父母职业。

To investigate the content of Pb in hair of children in Qingyuan city,and the factors affecting the hair Pb content according to their resident surroundings,their parents jobs and their diet custom,96 healthy children aged 2 to 3 were devided into several groups and determined on their hair content of Pb.The results show that the urban childrens Pb content of the hair(8 12±1 11)×10 -6 is higher than that of the suburbans(7 35±0 55)×10 -6 ( P <0 001).The hair Pb content of the children whose parents probably expose to Pb in job (8 19±1 05)×10 -6 is higher than that of the other children.(7 41±0 63)×10 -6 ( P <0 001).The content of Pb in hair of the children who drink milk(7 27±0 50)×10 -6 is lower than that of the others(8 27±0 99)×10 -6 ( P <0 001).It concluded resident surroundings,parents jobs and diet custom may all influence the content of Pb in hair of children.