Hair Lead Level of Children Living in Lead Polluted Area
- VernacularTitle:钢丝绳生产地区儿童的发铅含量
- Author:
Ping XIE
;
Chong TENG
;
Xiaodong LI
- Publication Type:Journal Article
- Keywords:
Children;
Hair;
Lead
- From:
Journal of Environment and Health
1992;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To understand the environmental lead pollution status in Tongzhou and the biological burden of lead in children living in the lead polluted area.Methods The 353 pupils aged 7-14 years were randomly selected in Zhangzhishan town central elementary school that was near to steel wire factories,283 pupils were selected as the control by using the same methods in an elementary school around where there is no any steel wire factory.Every students were investigated by questionnaires,meanwhile their hair were collected to determine lead with ASS method.Results In the polluted area group,hair lead of 77 pupils exceeded the normal level,the median was 4.437 ?g/g,the rate of exceeding the normal level(≤10 ?g/g)was 21.81%,and 65 pupils with lead poisoning related symptoms(18.41%).In the control group,the median was 3.965 ?g/g,the rate of exceeding the normal level was 11.31%,38 pupil with lead poisoning related symptoms(13.43%).After controlled the passive smoking confounder,the difference of hair lead level between these two groups was still significant(P
