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Occupational Determinants of Cumulative Lead Exposure: Analysis of Bone Lead Among Men in the VA Normative Aging Study
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Apr 2014
Source: J Occup Environ Med. 56(4):435-440. -
Alternative Title:J Occup Environ Med
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Description:Objectives
To examine the relation between occupation and cumulative lead exposure—assessed by measuring bone lead—in a community-dwelling population
Method
We measured bone lead concentration with K-shell X-Ray Fluorescence in 1,320 men in the Normative Aging Study. We categorized job titles into 14 broad US Census Bureau categories. We used ordinary least squares regression to estimate bone lead by job categories adjusted for other predictors.
Results
Service Workers, Construction and Extractive Craft Workers, and Installation, Maintenance and Repair Craft Workers had the highest bone lead concentrations. Including occupations significantly improved the overall model (p<0.001) and reduced by −15% to −81% the association between bone lead and education categories.
Conclusion
Occupation significantly predicts cumulative lead exposure in a community-dwelling population, and accounts for a large proportion of the association between education and bone lead.
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Pubmed ID:24709766
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Pubmed Central ID:PMC3982188
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