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Epidemiologic studies of scottish oil shale workers: I. Prevalence of skin disease and pneumoconiosis
Author(s) -
Seaton Anthony,
Louw S. J.,
Cowie Hilary A.
Publication year - 1986
Publication title -
american journal of industrial medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.7
H-Index - 104
eISSN - 1097-0274
pISSN - 0271-3586
DOI - 10.1002/ajim.4700090503
Subject(s) - medicine , pneumoconiosis , environmental health , epidemiology , retort , disease , occupational exposure , occupational medicine , occupational disease , pathology , chemistry , organic chemistry
In an epidemiologic study of 6,359 oil shale workers, 1,664 (46.7%) of 3,566 survivors were investigated. No excess of skin disease (as reported in response to a questionnaire) was found in men exposed to oil or dust, whether compared to men who were not exposed to oil or dust or to coalminers. A low prevalence of simple pneumoconiosis was found in workers exposed to dust, while progressive massive fibrosis occurred in approximately 1% of miners and retort workers. Comparisons of responders with non‐responders revealed no serious bias in terms of age or work experience, though non‐responders were likely to have been less healthy in general.