Study on the Relationships Between Urine Lead and Intelligence Quotient, Academic Achievement and Behavior in School-age Children
- VernacularTitle:天津市学龄儿童尿铅与智商、学习成绩及在校行为关系的研究
- Author:
Zengrong SUN
;
Lina WU
;
Dalin REN
- Publication Type:Journal Article
- Keywords:
Urine lead;
Intelligence quotient (IQ);
Academic achievement;
Behavior
- From:
Journal of Environment and Health
1993;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To determine the urine lead level in school_age children under conditions of environmental lead exposure and evaluate the effects of the presence of body lead on IQ, academic achievement and behavior in school of these children. Methods The concentrations of urine lead and IQs for 118 children aged 7~12 were measured. The academic achievement, behavior in school and the correlated factors were derived from the questionnaires given to their teachers and parents. Results The urine lead level of 118 children was (7.04?3.53)?g/L. In children who lived in city central area the urine lead level was (7.71?3.52)?g/L. It was significantly higher than that of children who lived in a suburban area [(6.37?3.45)?g/L]; No significant differences were observed in IQ between children in city and suburbs. The results by single factor analysis showed that the urine lead level [(10.31?2.16)?g/L] in the lower IQ group (IQ