The International Agency for Research on Cancer historical cohort study of MMMF production workers in seven European countries: Extension of the follow-up

L. Simonato, A. C. Fletcher, J. W. Cherrie, A. Andersen, P. Bertazzi, N. Charnay, J. Claude, J. Dodgson, J. Esteve, R. Frentzel-Beyme, M. J. Gardner, O. Jensen, J. Olsen, L. Teppo, R. Winkelmann, P. Westerholm, P. D. Winter, C. Zocchetti, R. Saracci

    Research output: Contribution to journalArticle

    Abstract

    The follow-up of the historical European cohort in 13 MMMF plants located in seven countries has been extended to 31 December 1982. An historical environmental investigation has been conducted in parallel in order to collect information on past working conditions in the plants included in the study in relation to exposure to fibres and to other potential contaminants. In addition to findings which have been reported previously, this paper presents further results in relation to type of raw material used (rock or slag) and to other potential risk factors present in the working environment that could have confounded the association between lung cancer and exposure to MMMF. An overall mortality excess was detected (2719 observed vs 2457.0 expected; SMR = 111), mainly due to deaths from violent causes, the excess being concentrated among short-term employees. After restricting the analysis to individuals with at least 1 yr of employment the Standardized Mortality Ratio (SMR) becomes 102. Lung cancer mortality increased with time since first exposure both in rock wool/slag wool and glass wool productions, the latter showing, however, no overall excess after applying local reference population. The lung cancer mortality excess in the rock wool/slag wool production was associated with the early technological phase which was estimated to present higher exposure levels of airborne fibres. No lung cancer excess was found after the introduction in the process of dust-suppressing agents. An increased lung cancer mortality 20 or more yr since first exposure was associated with the use of slag, but it does not show any relationship with the extent to which slag was used during the early technological phase. No effects could be attributed to other potential risk factors: use of bitumen binders, use of asbestos, exposure to formaldchyde. No consistent mortality excess was found for other cancer sites nor for non-malignant respiratory diseases.

    Original languageEnglish
    Pages (from-to)603-623
    Number of pages21
    JournalAnnals of Occupational Hygiene
    Volume31
    Issue number4
    Publication statusPublished - 1 Dec 1987

    ASJC Scopus subject areas

    • Health Professions(all)
    • Public Health, Environmental and Occupational Health
    • Toxicology
    • Psychiatry and Mental health

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  • Cite this

    Simonato, L., Fletcher, A. C., Cherrie, J. W., Andersen, A., Bertazzi, P., Charnay, N., Claude, J., Dodgson, J., Esteve, J., Frentzel-Beyme, R., Gardner, M. J., Jensen, O., Olsen, J., Teppo, L., Winkelmann, R., Westerholm, P., Winter, P. D., Zocchetti, C., & Saracci, R. (1987). The International Agency for Research on Cancer historical cohort study of MMMF production workers in seven European countries: Extension of the follow-up. Annals of Occupational Hygiene, 31(4), 603-623.