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Demographic risk factors associated with elevated lead levels in Texas children covered by Medicaid

D Kurtin1, B L Therrell, P Patterson

  • 1School of Public Health, University of Texas-Houston Health Science Center 77225, USA.

Environmental Health Perspectives
|January 1, 1997
PubMed

Insights

This study found that African American males aged 2-4 years had the highest blood lead levels. Key risk factors for elevated lead in Texas children include ethnicity, gender, and age.

Area of Science:

  • Environmental Health
  • Pediatrics
  • Public Health

Background:

  • Elevated blood lead levels pose significant health risks to children.
  • Previous studies have indicated demographic disparities in lead exposure.
  • Understanding these disparities is crucial for targeted interventions.

Purpose of the Study:

  • To identify demographic risk factors for elevated blood lead levels in Texas children.
  • To analyze screening data from a large population of children covered by Medicaid.
  • To establish baseline data for public health initiatives.

Main Methods:

  • Population-based study utilizing Medicaid screening data from Texas.
  • Analysis of blood lead levels in 92,900 children screened in early 1993.
  • Statistical examination of risk factors including age, gender, and ethnicity.

Main Results:

  • The highest prevalence of elevated blood lead levels (>10 µg/dL) was observed in children aged 25-36 months (14.3%).
  • African American males aged 2-4 years exhibited the highest percentage of elevated levels (17.3%), 3.5 times higher than white girls over age 4 (4.8%).
  • Males consistently showed higher blood lead levels across all age and ethnic groups. Key risk factors identified were ethnicity, gender, and age.

Conclusions:

  • Demographic factors—specifically ethnicity, gender, and age—are significant predictors of elevated blood lead levels in Texas children.
  • Findings align with national data (NHANES II, NHANES III) highlighting socioeconomic and ethnic associations with lead exposure.
  • Results underscore the need for targeted public health strategies to mitigate lead exposure in high-risk pediatric populations.

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