Abstract
Objective We sought to ascertain whether asthmatic children are more likely to have elevated blood lead levels (EBLLs), BLLs≥10 μg/dL, than non-asthmatic children. Household risk factors associated with both lead and asthma were examined. Method We undertook a cross-sectional study involving children residing in mainly low-income and minority households in Michigan which were identified by the Statewide Systemic Tracking of Elevated Lead Levels and Remediation database (STELLAR) ( n=356 children). Results Of the 356 index children, 19% had EBLLs and 15% were doctor-diagnosed asthmatic. After adjusting for confounders known to be related to lead poisoning and/or asthma, association remained between asthmatic children and EBLL children (AOR: 5.17; 95% CI (1.25–21.37)). Conclusions The results of our study show that asthmatic children are over 5 times more likely to have EBLLs than non-asthmatics (AOR: 5.17; 95% CI (1.25–21.37)). Intervention strategies designed to address lead poisoning prevention may be effective in reducing incidence of asthma. Further study is required.
Published Version
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