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Mortality Study of Workers in the Plywood, Paper and Pulp Industries.

NIOSH 1982 Apr:89-104
The methodology for a mortality study of workers in the plywood, paper, and pulp industries was described. The study was intended to evaluate chronic health effects resulting from employment in these industries and to test the hypothesis that employment in these industries was associated with increased mortality from heart disease and cancer of the hematopoietic and lymphatic system, mouth, stomach, small intestine, larynx, nose, lung, and soft tissues. The study group consisted of 3600 paper pulp workers and 2200 plywood workers who worked for at least 1 year between January 1, 1945 and December 31, 1955 at four plywood mills and five paper pulp mills in Washington State. The subjects were classified into 21 exposure categories depending on which processes they worked on as determined from their employment records. Industrial hygiene surveys were going to be conducted at each facility to determine the specific exposures for each exposure category. The vital status of the cohort as of March 31, 1977 was to be determined through records maintained by various government agencies and other sources. The mortality patterns of the subjects were to be analyzed separately by industry, process, and the exposure categories. A transcript of a discussion session following the presentation was included.
NIOSH-Author; Epidemiology; Pulp-industry; Mortality-rates; Wood-products; Cancer-rates; Occupational-exposure; Cardiovascular-system-disorders;
Publication Date
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Conference/Symposia Proceedings;
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Proceedings of the Second NCI/EPA/NIOSH Collaborative Workshop: Progress on Joint Environmental and Occupational Cancer Studies, September 9-11, 1981, Rockville, Maryland