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Occupational determinants of cumulative lead exposure: analysis of bone lead among men in the VA Normative Aging Study.

Authors
Ji-JS; Schwartz-J; Sparrow-D; Hu-H; Weisskopf-MG
Source
J Occup Environ Med 2014 Apr; 56(4):435-440
NIOSHTIC No.
20045480
Abstract
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 1320 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.
Keywords
Lead-compounds; Humans; Men; Age-groups; Service-industries; Construction-industry; Education; Exposure-levels; Risk-factors; Biomarkers; Health-hazards; Questionnaires; Radiography; Heavy-metals
Contact
John S. Ji, ScD, Department of Environmental Health, Harvard School of Public Health, Landmark Center, 401 Park Drive, 3 East, Boston, MA 02215
CODEN
JOEMFM
CAS No.
7439-92-1
Publication Date
20140401
Document Type
Journal Article
Email Address
joj518@mail.harvard.edu
Funding Type
Grant
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T42-OH-008416; M122014
Issue of Publication
4
ISSN
1076-2752
Source Name
Journal of Occupational and Environmental Medicine
State
MA
Performing Organization
Harvard School of Public Health
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