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  1. Socioeconomic differentials in misclassification of height, weight and body mass index based on questionnaire data.

    Article - En anglais


    The purpose of this study was to analyse misclassification of height, weight and body mass index (BMI), derived from mail questionnaires, and its dependency on socioeconomic factors.


    A random sample of 4442 adults aged 18-84 years, living in Stockholm county, Sweden, were in 1984-1985 asked about their height and weight.

    A few months later 3208 of these adults participated in a health examination that included measures of height and weight.

    In this study we have used occupational class as the socioeconomic indicator.

    We have used sensitivity as a measure of misclassification of height, weight and BMI.


    The difference in mean measured height between socioeconomic groups I and III was 2.7 cm for men and 2.0 cm for women.

    The mean difference in measured height between socioeconomic groups I and III was higher for men than for women in all age groups.

    The mean difference between self-reported and measured height was 0.6 cm for men and 0.79 cm for women.

    For weight, the corresponding difference was - 0.74 kg for men and - 1.64 kg for women.

    Women's BMI was more underestimated than men's (-0.85 for women, - 0.40 for men).

    When using self-reported height and weight for calculating BMI, 81% of the men and 78% of the women were classified correctly, but only 61% of the obese men and 55% of the obese women were identified.

    The BMI was underestimated in all socioeconomic groups. (...)

    Mots-clés Pascal : Poids corporel, Taille corporelle, Indice masse corporelle, Statut socioéconomique, Questionnaire, Enquête par correspondance, Validité, Donnée, Epidémiologie, Erreur, Classification, Homme, Suède, Europe, Biométrie

    Mots-clés Pascal anglais : Body weight, Body size, Body mass index, Socioeconomic status, Questionnaire, Mail inquiry, Validity, Data, Epidemiology, Error, Classification, Human, Sweden, Europe, Biometrics

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

    Cote : 97-0432830

    Code Inist : 002B30A01A1. Création : 19/12/1997.