Studies of lead exposure in children aged 4-7 years in relation to their behavioral problems

Abstract

Background: Studies of children blood lead levels and behavioral problems in affect to behavioral problems hyperactivity disorder and are statistically significant. Aim of study: To study the behavioral effects of lead exposure in children aged 4-7 years. Materials and Methods: We measured the concentrations of lead in blood of 241 children aged 4-7 years, Shariin Gol soum (Darkhan-Uul Province) and Nalaikh district (Ulaanbaatar city). Blood lead level were measured using the Lead Care . Strengths and DifÏculties Questionnaire (SDQ) was used to assess a spectrum of behavioral problems among the children. SPSS 22 were used for statistical analysis. Results: Average BLL of children in Nalaikh district was 5.26 μg/dL and 6.17 μg/dL in Shariin Gol soum. Compared with the behavioral changes of blood lead level, abnormal prosocial scale (p=0.014) and hyperactivity scale (p = 0.050). Two cities was found to be 53.6% of the children had BLLs≥5 μg/dL. Conclusion: This study shows that childhood living in coal mining areas are exposed to lead. In children with hyperactivity and abnormal social behavior, the content of CDC is high and statistically significant.