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Pediatric Blood Lead Levels Within New York City Public Versus Private Housing, 2003-2017

Jacqueline M Chiofalo1, Maxine Golub1, Casey Crump1

  • 1The authors are with the Institute for Family Health, New York, NY. Casey Crump and Neil Calman are also with the Department of Family Medicine and Community Health, Icahn School of Medicine at Mount Sinai, New York.

American Journal of Public Health
|April 19, 2019
PubMed

Insights

Children in New York City public housing had significantly lower blood lead levels (BLLs) than those in private housing. This suggests public housing may offer better protection against lead exposure.

Area of Science:

  • Environmental Health
  • Pediatric Health
  • Urban Public Policy

Background:

  • Lead exposure in children remains a significant public health concern.
  • Housing type is a potential determinant of lead exposure.
  • Understanding disparities in blood lead levels (BLLs) is crucial for targeted interventions.

Purpose of the Study:

  • To compare BLLs in children residing in public versus private housing in New York City.
  • To evaluate the association between housing type and elevated BLLs.
  • To inform lead identification and remediation policies.

Main Methods:

  • Retrospective analysis of electronic medical records for 4693 children (2003-2017).
  • Geospatial mapping of home addresses to housing data (public vs. private).
  • Statistical analysis comparing BLLs between housing types, adjusted for covariates.

Main Results:

  • Children in public housing had substantially lower prevalence of elevated BLLs (0.25%) compared to private housing (2.76%).
  • Public housing was associated with 92% lower odds of BLLs ≥ 5 µg/dL (OR=0.08, P=0.001).
  • BLLs decreased over time in both housing types, likely due to lead reduction legislation.

Conclusions:

  • Public housing residents in NYC had significantly lower blood lead levels than private housing residents.
  • Housing policies and environmental regulations appear effective in reducing childhood lead exposure.
  • Further research should explore specific factors within housing types contributing to these disparities.

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