The effect of housing compliance status on children's blood lead levels
Kristen Rappazzo1, Curtis E Cummings, Robert M Himmelsbach
1National Health and Environmental Effects Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC 27711, USA. rappazzo@emial.unc.edu
Insights
Housing compliance did not significantly impact children's blood lead levels in Philadelphia. Lead hazard control status and time to compliance showed no effect on long-term changes in blood lead for exposed children.
Area of Science:
- Environmental Health
- Pediatric Public Health
- Toxicology
Background:
- Childhood lead poisoning remains a significant public health concern, primarily linked to deteriorating housing stock.
- Effective interventions are crucial to reduce children's exposure to lead hazards in their homes.
Purpose of the Study:
- To evaluate the impact of housing compliance status and the time required to achieve compliance on changes in children's blood lead levels.
- To determine if lead hazard control status influences long-term blood lead level reduction in children.
Main Methods:
- Secondary analysis of data from the Childhood Lead Poisoning Prevention Program of Philadelphia (1999-2004).
- Evaluation of blood lead level changes in relation to housing compliance and time to compliance.
- Stratified analysis for children younger than 2 years.
Main Results:
- No significant difference in blood lead level changes between children in compliant and noncompliant housing across various time periods (1.5-3+ years).
- Neither housing lead hazard control status nor time to compliance was associated with long-term changes in children's blood lead levels.
- No association found in a stratified analysis of children under 2 years.
Conclusions:
- Current housing compliance programs may be beneficial for primary lead exposure prevention.
- These programs did not demonstrate a significant impact on reducing blood lead levels in children already exposed to lead hazards.
- Further research may be needed to identify more effective strategies for reducing blood lead levels in exposed children.
Abstract:
In a secondary analysis of data from the Childhood Lead Poisoning Prevention Program of Philadelphia (July 1, 1999 through September 1, 2004), the authors evaluated the effect of housing compliance status and time to achieve compliance on changes in children's blood lead levels. Blood lead level changes were not significantly different between children living in compliant housing and those living in noncompliant housing for periods of 1.5 to 2 years, 2 to 3 years, or more than 3 years (-11.01 microg/dL, -9.72 microg/dL, -12.5 microg/dL, -11.57 microg/dL, and -14.31 microg/dL, and -14.61 microL, respectively). In a stratified analysis of children younger than 2 years, the authors also found no association. Neither a house's lead hazard control status nor the time it took to achieve compliance affected long-term changes in children's lead levels. Current compliance programs may be helpful for primary prevention but did not impact change in blood lead for exposed children.
