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  1. Diet and gastric cancer in Portugal : a multivariate model.

    Article - En anglais

    Diet and gastric cancer mortality in Portugal was studied using a multivariate ecological model.

    The factors investigated over 18 districts were the relationship between gastric cancer mortality (1994-96), dietary habits, and socio-economic factors (1980-81).

    Mortality geographical pattern was established using age-standardized mortality rates, per capita dietary consumption of foodstuffs and nutrients was obtained from the National Alimentary Survey (1980-81), and data on socio-economic factors from the 1981 National Census.

    Pearson correlation coefficients and simple and multiple linear regression models were used.

    The mortality geographical pattern resembled a north-south gradient, and dietary habits and socio-economic factors had great variability throughout the country.

    The highest negative correlation coefficients between dietary consumption and gastric cancer mortality were obtained for vegetables, fruit, vitamin A and carotene consumption, and the highest positive coefficients were for rice, wine and carbohydrate consumption.

    No significant correlations were obtained for socio-economic factors.

    In multiple regression analysis, vegetable and rice consumption could account for 79% of the gastric cancer mortality variability for males, and vegetable and meat consumption could account for 69% of this variability for females.

    Interestingly, meat consumption was found to be protective. (...)

    Mots-clés Pascal : Tumeur maligne, Estomac, Homme, Portugal, Europe, Régime alimentaire, Epidémiologie, Analyse multivariable, Légume, Variation géographique, Mortalité, Appareil digestif pathologie, Estomac pathologie

    Mots-clés Pascal anglais : Malignant tumor, Stomach, Human, Portugal, Europe, Diet, Epidemiology, Multivariate analysis, Vegetable, Geographical variation, Mortality, Digestive diseases, Gastric disease

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

    Cote : 99-0168356

    Code Inist : 002B04B. Création : 16/11/1999.