Mortality of short-term workers in two international cohorts

Paolo Boffetta*, Davide Sali, Henrik Kolstad, David Coggon, Jorgen Olsen, Aage Andersen, Alan Spence, Angela C. Pesatori, Elsebeth Lynge, Rainer Frentzel-Beyme, Jenny Chang-Claude, Ingvar Lundberg, Marco Biocca, Valerio Gennaro, Lyly Teppo, Timo Partanen, Esther Welp, Rodolfo Saracci, Manolis Kogevinas

*Corresponding author af dette arbejde

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    Abstrakt

    The purpose of this study was to compare the pattern of mortality of blue-collar workers employed less and more than 1 year in the man-made vitreous fiber (MMVF) and the reinforced plastic industries, the latter group being exposed to styrene. We conducted an analysis among 21,784 workers with less than 1 year of employment (short-term workers) and 19,117 workers with 1 or more years of employment (long-term workers) employed in eight European countries. We conducted analyses based on external as well as internal comparisons. In both cohorts, the standardized mortality ratio for all causes among short-term workers was approximately 40% higher, compared with that for longer-term workers. In internal comparisons, the difference was reduced to 9% in the MMVF cohort and 11% in the styrene cohort. Workers with less than 1 month of employment displayed an increased mortality in both cohorts and in most countries. The increased mortality among short-term workers was not concentrated shortly after they quit employment. In both cohorts, short-term workers had a higher mortality from external causes, while little difference was seen in mortality from ischemic heart disease and malignant neoplasms. Although extra-occupational factors may contribute to increase the mortality of short-term workers and, in particular, of those employed for less than 1 month, the difference observed in analyses adjusted for characteristics of employment suggested a relatively small difference in mortality from most causes.

    OriginalsprogEngelsk
    Sider (fra-til)1120-1126
    Antal sider7
    TidsskriftJournal of Occupational and Environmental Medicine
    Vol/bind40
    Udgave nummer12
    DOI
    StatusUdgivet - dec. 1998

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