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Occupational silica exposure and risk of various diseases: an analysis using death certificates from 27 states of the United States.
Calvert GM; Rice FL; Boiano JM; Sheehy JW; Sanderson WT
Occup Environ Med 2003 Feb; 60(2):122-129
Although crystalline silica exposure is associated with silicosis, lung cancer, pulmonary tuberculosis, and chronic obstructive pulmonary disease (COPD), there is less support for an association with autoimmune disease, and renal disease. Using data from the US National Occupational Mortality Surveillance (NOMS) system, a matched case-control design was employed to examine each of several diseases (including silicosis, lung cancer, stomach cancer, oesophageal cancer, COPD, pulmonary tuberculosis, sarcoidosis, systemic lupus erythematosus, systemic sclerosis, rheumatoid arthritis, and various types of renal disease). Cases were subjects whose death certificate mentioned the disease of interest. A separate control group for each of the diseases of interest was selected from among subjects whose death certificate did not mention the disease of interest or any of several diseases reported to be associated with crystalline silica exposure. Subjects were assigned into a qualitative crystalline silica exposure category based on the industry/occupation pairing found on their death certificate. We also investigated whether silicotics had a higher risk of disease compared to those without silicosis. Those postulated to have had detectable crystalline silica exposure had a significantly increased risk for silicosis, COPD, pulmonary tuberculosis, and rheumatoid arthritis. In addition, a significant trend of increasing risk with increasing silica exposure was observed for these same conditions and for lung cancer. Those postulated to have had the greatest crystalline silica exposure had a significantly increased risk for silicosis, lung cancer, COPD, and pulmonary tuberculosis only. Finally, those with silicosis had a significantly increased risk for COPD, pulmonary tuberculosis, and rheumatoid arthritis. This study corroborates the association between crystalline silica exposure and silicosis, lung cancer, COPD, and pulmonary tuberculosis. In addition, support is provided for an association between crystalline silica exposure and rheumatoid arthritis.
Silica-dusts; Silicosis; Rheumatoid-disorders; Respiratory-system-disorders; Autoimmunity; Chronic-exposure; Pulmonary-system-disorders; Lung-cancer; Mortality-data; Surveillance-programs; Renal-toxicity; Kidney-disorders; Quartz-dust; NOMS; National Occupational Mortality Surveillance
National Institute for Occupational Safety and Health, 4676 Columbia Parkway, R-21, Cincinnati, OH 45226, USA
Issue of Publication
DSHEFS; DART; EID
Research Tools and Approaches: Control Technology and Personal Protective Equipment
Occupational and Environmental Medicine
Page last reviewed: October 26, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division