Occupational risk factors for brain cancer in Canada
- PMID: 16010197
- DOI: 10.1097/01.jom.0000165747.95801.c5
Occupational risk factors for brain cancer in Canada
Abstract
Objective: We sought to examine the impact of occupational exposure on brain cancer risk.
Methods: Mailed questionnaires were used to collect information on lifetime employment history, occupational exposure to 18 chemicals, and other risk factors for 1009 incident cases of brain cancer and 5039 control subjects in Canada in 1994 to 1997.
Results: People exposed to asphalt and welding had respective odds ratio (and 95% confidence interval) of 1.29 (1.02-1.62) and 1.26 (0.98-1.45). An increased risk of brain cancer might be associated with exposure to asbestos, benzene, mineral or lubricating oil, isopropyl oil, and wood dust and with following occupations: teaching; protective service; metal processing and related jobs, and metal shaping and forming; knitting in textile processing; construction trades; and transport equipment operating.
Conclusions: Our study suggests a possible role for occupational exposure in the etiology of brain cancer.
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