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  1. The validity of dietary assessment in general practice.

    Article - En anglais

    Objective

    To validate a range of dietary assessment instruments in general practice.

    Methods-Using a randomised block design, brief assessment instruments and more complex conventional dietary assessment tools were compared with an accepted « relative » standard-a seven day weighed dietary record.

    The standard was checked using biomarkers, and by performing test-retest reliability in additional subjects (n=29).

    Outcomes-Agreement with weighed record

    Percentage agreement with weighed record, rank correlation from scatter plot, rank correlation from Bland-Altman plot.

    Reliability of the weighed record.

    Setting-Practice nurse treatment room in a single suburban general practice.

    Subjects-Patients with risk factors for cardiovascular disease (n=61) or age/sex stratified general population group (n=50).

    Results

    Brief self completion dietary assessment tools based on food groups eaten during a week show reasonable agreement with the relative standard.

    For% energy from fat and saturated fat, non-starch polysaccharide, grams of fruit and vegetables and starchy foods consumed the range of agreement with the standard was : median% difference - 6% to 12%, rank correlation 0.5 to 0.6. This agreement is ofa similar order to the reliability of the weighed record, as good as or better than test standard agreement for more time consuming instruments, and compares favourably with research instruments validated in other settings. (...)

    Mots-clés Pascal : Cardiopathie, Homme, Artériopathie, Royaume Uni, Europe, Facteur risque, Méthodologie, Evaluation, Alimentation, Régime alimentaire, Education santé, Médecine générale, Etude comparative, Questionnaire, Appareil circulatoire pathologie

    Mots-clés Pascal anglais : Heart disease, Human, Arteriopathy, United Kingdom, Europe, Risk factor, Methodology, Evaluation, Feeding, Diet, Health education, Internal medicine, Comparative study, Questionnaire, Cardiovascular disease

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

    Cote : 99-0168563

    Code Inist : 002B12A10. Création : 16/11/1999.