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Elevated blood lead levels in children of construction workers
E A Whelan1, G M Piacitelli, B Gerwel
1Division of Surveillance, Hazard Evaluations, and Field Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Cincinnati, Ohio 45226, USA.
Insights
Children of construction workers showed higher blood lead levels compared to controls. Parental occupation is a key factor for assessing lead exposure risk in young children.
Area of Science:
- Environmental Health
- Occupational Health
- Pediatric Health
Background:
- Lead exposure poses significant health risks, particularly to children.
- Parental occupations can be a source of environmental contaminants for families.
- Construction work involves potential exposure to lead-based materials.
Purpose of the Study:
- To investigate if children of construction workers have elevated blood lead levels (BLLs) compared to neighborhood controls.
- To identify occupational exposure as a potential pathway for lead exposure in children.
Main Methods:
- Study included 50 children under age 6 (31 from construction worker families, 19 controls).
- Participants were identified through the New Jersey Adult Blood Lead Epidemiology and Surveillance (ABLES) registry.
- Venous blood samples were analyzed for blood lead levels.
Main Results:
- 26% of children with construction worker parents had BLLs at or above the CDC action level (0.48 µmol/L or 10 µg/dL).
- Only 5% of control children met or exceeded this action level.
- An unadjusted odds ratio of 6.1 indicated a significantly higher risk for exposed children.
Conclusions:
- Children whose parents work in construction may be at increased risk of excessive lead exposure.
- Healthcare providers should inquire about parental occupation to identify potential lead exposure risks in children.
- Early identification and intervention are crucial for mitigating lead toxicity in pediatric populations.
Objectives:
This study examined whether children of lead-exposed construction workers had higher blood lead levels than neighborhood control children.
Methods:
Twenty-nine construction workers were identified from the New Jersey Adult Blood Lead Epidemiology and Surveillance (ABLES) registry. Eighteen control families were referred by workers. Venous blood samples were collected from 50 children (31 exposed, 19 control subjects) under age 6.
Results:
Twenty-six percent of workers children had blood lead levels at or over the Centers for Disease Control and Prevention action level of 0.48 mumol/L (10 micrograms/dL), compared with 5% of control children (unadjusted odds ratio = 6.1; 95% confidence interval = 0.9, 147.2).
Conclusions:
Children of construction workers may be at risk for excessive lead exposure. Health care providers should assess parental occupation as a possible pathway for lead exposure of young children.