The mortality of cellulose fiber production workers
Cohen, Aaron J.
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This dissertation examines the relation between occupational exposure to the solvent methylene chloride and mortality in a cohort of cellulose fiber production workers. The first paper, entitled The Mortality of Cellulose Fiber Production Workers, presents the main results of the mortality follow-up of the cellulose fiber workers cohort through September 1, 1986. Mortality from neoplastic and non-neoplastic disease among cellulose fiber production workers is compared to that of the U.S. and local (county level) populations, while controlling for the effects of gender, race, calendar period, and age. Mortality from cancers of the lung, breast, and pancreas, and ischemic heart disease was less than expected. Excess mortality was observed for melanoma of the skin, cancer of the buccal cavity and pharynx, tumors of the liver and biliary tract, and accidental deaths. Three deaths from cancer of the bile ducts were observed (3 observed, 0.15 expected, SMR=20). This is the first known report of an association between exposure to methylene chloride and cancer of the bile ducts. [TRUNCATED]
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