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Estimation of High Blood Lead Levels Among Children in Georgia: An Application of Bayesian Analysis

Abstract

In Georgia, children in high-risk counties are at increased risk for lead exposure. Those children and others in high-risk groups, such as families receiving Medicaid and Peach Care for Kids (i.e., health coverage for children in low-income families), are screened for blood lead levels (BLLs). Such screening, however, might not include all children at high risk for having BLLs above the reference levels (a?‰¥5 ?g/dL) in the state. In our study, Bayesian methods were used to estimate the predictive density of the number of children <6 years with BLLs of 5–9 ?g/dL in a targeted county from each of five selected regions of Georgia. Furthermore, the estimated mean number of children with BLLs of 5–9 ?g/dL in each targeted county, along with its 95% credible interval, were calculated. The model revealed likely underreporting of some children <6 years with BLLs of 5–9 ?g/dL in counties of Georgia. Further investigation might help reduce underreporting and better protect children who are at risk for lead poisoning.

Volume: 85.3
Pages: 8-15
Published: October 2022

Author

  • Shailendra N. Banerjee, PhD, National Center for Environmental Health, Centers for Disease Control and Prevention

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