Blood lead level and related risk factors of Children in Qingdao

Objective To explore blood lead level and related risk factors of children in Qingdao and provide measure for intervention. Method 1 285children aged 0～7years were selected to detect lead level in peripheral blood with tungsten boat atomic absorption spectrometry,and related factors such as family environment and lifestyle habitats were investigated by questionnaire survey. Results The mean lead level of children was 48.79 μg/L with 1.03% of those ≥100μg/L.The blood lead level in preschool children was higher than scattered children aged 0～3years and there was significant difference between them(P0.01).The investigation indicated that mother's job related to lead,family living in environment near to arterial road and children anorexia were risk factors for higher blood lead level. Conclusions Blood lead level among children aged 0～7years in Qingdao district is lower than before.Mothers' job,living environment and children's diets are related to higher blood lead level.Health education,regular tests and timely intervention are needed to decrease damage of lead to children.