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  1. Validity and reproducibility of alcohol consumption in Italy.

    Article - En anglais

    Background

    The reproducibility and validity of alcohol consumption has not been adequately studied, particularly in Mediterranean countries, where alcohol drinking is a widespread habit, especially during meals.

    Methods

    We compared alcohol consumption measured by two interviewer-administered food frequency questionnaires (FFQ) with average intake derived from two 7-day dietary (7-DD) records (the reference method) on 395 volunteers.

    Different types of alcoholic beverages were considered separately in order to verify the ability of the questionnaire to assess detailed patterns of alcohol intake.

    Results

    A satisfactory level of reproducibility and validity of the pattern of alcohol consumption across different levels and types of alcoholic beverage intake was observed.

    The reproducibility of wine and total alcohol intake showed correlation coefficients>0.75 in both sexes.

    The validity was somewhat higher for wine (around 0.70) than for other alcoholic beverages and total alcohol intake.

    This is probably accounted for by the more regular pattern of wine consumption during the year as compared to other alcoholic beverages (beer, grappa, etc) which are more strongly influenced by seasonal and daily variations.

    However, about 30% of abstainers according to FFQ were drinkers by the reference method.

    The opposite was observed in only 4% of subjects.

    Conclusion

    The FFQ is a reliable and valid instrument for collecting alcohol intake in regular drinkers. (...)

    Mots-clés Pascal : Consommation, Ethanol, Prise boisson, Comportement alimentaire, Questionnaire, Méthode étude, Validation test, Fidélité test, Homme, Italie, Europe, Fréquence alimentaire

    Mots-clés Pascal anglais : Consumption, Ethanol, Drinking, Feeding behavior, Questionnaire, Investigation method, Test validation, Test reliability, Human, Italy, Europe

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

    Cote : 96-0390165

    Code Inist : 002B29B. Création : 10/04/1997.