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  1. Ethnicity and variation in breast cancer incidence.

    Article - En anglais

    A breast cancer case-control study in Atlanta and 5 counties of central New Jersey involving interviews with 960 white and 281 black cases younger than 54 years of age enabled assessment of reasons for the varying incidence rates among these 2 ethnic groups.

    Of interest was why rates of breast cancer are higher among older white women, a trend that is reversed among very young women (<40 years).

    Calculation of the prevalence of exposure to classic and speculative risk factors and associated relative risks enabled derivation of population attributable risks (PARs) for the various combinations of age and ethnic groups.

    A higher PAR was derived for older (40-54 years) white (62%) than black (54%) women, which appeared to account for the observed difference in incidence between the 2 ethnic groups.

    Most of the difference in PARs between older whites and blacks was accounted for by whites having fewer births, later ages at first birth and slightly higher risks associated with reproductive and menstrual factors.

    Consideration of only well-established breast cancer risk factors showed a PAR among older whites of 57%, an estimate comparable to those previously published.

    Slightly higher overall PARs were derived when analyses considered several speculative but modifiable risk factors, including years of use of oral contraceptives, body size and alcohol consumption. (...)

    Mots-clés Pascal : Tumeur maligne, Glande mammaire, Incidence, Epidémiologie, Ethnie, Race, Etats Unis, Amérique du Nord, Amérique, Etude cas témoin, Homme, Glande mammaire pathologie

    Mots-clés Pascal anglais : Malignant tumor, Mammary gland, Incidence, Epidemiology, Ethnic group, Race, United States, North America, America, Case control study, Human, Mammary gland diseases

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

    Cote : 98-0016910

    Code Inist : 002B20E02. Création : 17/04/1998.