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Quantitative exposure-response for silica dust and lung cancer in Vermont granite workers.

Authors
Attfield-MD; Costello-J
Source
Am J Ind Med 2004 Feb; 45(2):129-138
NIOSHTIC No.
20024445
Abstract
Excess lung cancer mortality among the exposed Vermont granite workers has been reported. These studies were based on job and tenure surrogates, with the potential for misclassification and inability to evaluate quantitative exposure-response. Industrial hygiene data collected from 1924 to 1977 was analyzed in conjunction with mortality data to examine quantitative exposure-response for silica, lung cancer, and other lung diseases. A person-years analysis was undertaken by cumulative exposure group, including lagged and unlagged tabulations. Poisson models were fitted to untransformed and log transformed exposure. The results indicated a clear relationship of lung cancer, tuberculosis, pneumoconiosis, non-malignant lung disease, and kidney cancer with cumulative exposure. An exposure to 0.05 mg/m(3) from age 20 to 64 was associated with a lifetime excess risk of lung cancer for white males of 27/1,000. The results of this study of workers exposed almost exclusively to silica and no other major occupational confounding exposures indicate a clear exposure-response for lung cancer.
Keywords
Respiratory-system-disorders; Lung-cancer; Dust-exposure; Dusts; Silica-dusts; Silicates; Quarry-workers; Pneumoconiosis; Exposure-assessment; Dose-response; Kidney-disorders; Author Keywords: silica; lung cancer; granite; silicosis; tuberculosis; dust exposure
Contact
National Institute for Occupational Safety and Health, Division of Respiratory Disease Studies, 1095 Willowdale Road, Morgantown, WV 26505
CODEN
AJIMD8
CAS No.
7631-86-9
Publication Date
20040201
Document Type
Journal Article
Email Address
mda1@cdc.gov
Fiscal Year
2004
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
0271-3586
NIOSH Division
DRDS
Source Name
American Journal of Industrial Medicine
State
VT; WV
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