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  1. The epidemiology and classification of bulimia nervosa.

    Article - En anglais

    Background

    We sought to determine whether there was empirical support for the diagnostic thresholds of DSM-IV bulimia nervosa (BN) and whether an empirically derived typology resembled the diagnostic categories of DSM-IV.

    Methods

    Detailed information about bulimic behaviours were assessed via personal interview in a population-based sample of 1897 Caucasian female twins.

    We assessed the lifetime prevalence of the component bulimic behaviours and DSM-IV and DSM-III-R BN.

    Latent class analysis of nine separate bulimic symptoms was used to develop an empirical typology of bulimic behaviour.

    Results

    Although the lifetime prevalences of bingeing (23.6%) and vomiting (4.8%) were relatively common, DSM-IV BN was distinctly uncommon (0.5%). The criterion that specified the frequency and duration of bingeing and vomiting was an important limiting condition.

    Analysis of alternative thresholds found little support for the DSM-IV thresholds requiring an average of twice per week for 3 months.

    Latent class analysis yielded an interpretable four class solution that had little overlap with the DSM-IV typology.

    Conclusions

    As in other studies of unselected samples of women, the lifetime presence of bulimic behaviours are relatively high.

    Our results suggest that the DSM-IV approach to categorizing bulimic behaviour inadequately captures the spectrum of lifetime bulimic behaviours in the general population.

    Mots-clés Pascal : Boulimie, Prévalence, Epidémiologie, Santé mentale, Critère, Diagnostic, Diagnostic and Statistical Manual IV, Classification, Homme, Femelle, Trouble comportement alimentaire

    Mots-clés Pascal anglais : Bulimia, Prevalence, Epidemiology, Mental health, Criterion, Diagnosis, Diagnostic and Statistical Manual IV, Classification, Human, Female, Eating disorder

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

    Cote : 98-0349569

    Code Inist : 002B18C01B. Création : 27/11/1998.