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  1. A case cohort study of suicide in relation to exposure to electric and magnetic fields among electrical utility workers.

    Article - En anglais

    Objectives-This case cohort study examines whether there is an association between exposure to electric and magnetic fields and suicide in a population of 21 744 male electrical utility workers from the Canadian Province of Quebec.

    Methods-49 deaths from suicide were identified between 1970 and 1988 and a subcohort was selected comprising a 1% random sample from this cohort as a basis for risk estimation.

    Cumulative and current exposures to electric fields, magnetic fields, and pulsed electromagnetic fields (as recorded by the POSITRON meter) were estimated for the subcohort and cases through a job exposure matrix.

    Two versions of each of these six indices were calculated, one based on the arithmetic mean (AM), and one on the geometric mean (GM) of field strengths.

    Results

    For cumulative exposure, rate ratios (RR) for all three fields showed mostly small non-significant increases in the medium and high exposure groups.

    The most increased risk was found in the medium exposure group for the GM of the electric field (RR=2.76,95% CI 1.15-6.62).

    The results did not differ after adjustment for socioeconomic state, alcohol use, marital state, and mental disorders.

    There was a little evidence for an association of risk with exposure immediately before the suicide.

    Conclusion-Some evidence for an association between suicide and cumulative exposure to the GM of the electric fields was found.

    This specific index was not initally identified as the most relevant index,...

    Mots-clés Pascal : Champ électromagnétique, Toxicité, Homme, Exposition professionnelle, Médecine travail, Epidémiologie, Québec, Canada, Amérique du Nord, Amérique, Suicide, Dose cumulée, Ligne haute tension

    Mots-clés Pascal anglais : Electromagnetic field, Toxicity, Human, Occupational exposure, Occupational medicine, Epidemiology, Quebec, Canada, North America, America, Suicide, Cumulated dose, High voltage line

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0084367

    Code Inist : 002A08E. Création : 199608.