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  1. Annual reduction of solar UV exposure to the facial area of outdoor workers in Southeast Queensland by wearing a hat.

    Article - En anglais

    The total annual exposure to erythemally effective UVR was estimated for average work situations in a high exposure environment, viz, farm workers in Southeast Queensland (27.5° S), and the effect of hat usage was examined.

    If no sun protection is used, the annual erythema exposures for this group of workers at three facial sites : forehead, nose and cheek are 40,57 and 34 J. cm-2 respectively.

    If a hat is worn throughout the year, the exposures are reduced to 6,19 and 20 J. cm-2, respectively.

    The mean ratio of exposure without the hat to that with the hat (mean protection factor, MPF) was found to be 6 for the forehead, 3 for the nose and 2 for the cheek.

    The risk of non-melanoma skin cancers without the protection of the hat is estimated to increase by up to 100 times for basal cell carcinomas and 13 times for squamous cell carcinomas for a whole year of exposure.

    Mots-clés Pascal : Irradiation UV, Face, Rayonnement UVB, Carcinome, Analyse risque, Etude statistique, Epidémiologie, Australie, Océanie, Agriculteur, Facteur risque, Peau, Homme, Mâle, Peau pathologie, Tumeur maligne, Chapeau

    Mots-clés Pascal anglais : Ultraviolet irradiation, Face, UVB radiation, Carcinoma, Risk analysis, Statistical study, Epidemiology, Australia, Oceania, Farmer, Risk factor, Skin, Human, Male, Skin disease, Malignant tumor

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

    Cote : 97-0043478

    Code Inist : 002B30A01C. Création : 21/05/1997.