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  1. Validity of self-reported sexually transmitted diseases in a cohort of drug-using prostitutes in Amsterdam : trends from 1986 to 1992.

    Article - En anglais


    Rates of self-reported sexually transmitted diseases (STD) among drug-using prostitutes in Amsterdam have been shown to be declining.

    However, self reports may provide biased estimates.


    We determined the prevalence of risk indicators for and time trends in incorrect self-reported STD in a cohort of drug-using prostitutes.

    Rates of self-reported STD were validated with diagnosed STD from a special STD clinic for drug-using prostitutes.


    Between 1986 and 1992,314 STD were diagnosed in 85 (65%) of 131 studied prostitutes.

    Multivariate analyses showed that trends in underreporting and overreporting were in part explained by a higher number of visits in the cohort and by lower numbers of clinic visits between two cohort visits.


    Self-reporting of STD in our cohort is unreliable and misclassification prevalent ; risk factors for and associates of self-reported STD are biased.

    Inferences drawn from self reports are potentially misleading and therefore such data need to be validated.

    Trends in misclassification can be interpreted as recall errors and as a study participation effect.

    For monitoring of STD prevalences in relation to trends in sexual risk behaviours, diagnosed STD should be used in preference to self reports.

    Mots-clés Pascal : Prostitution, Toxicomanie, Homme, Pays Bas, Epidémiologie, Maladie sexuellement transmissible, Autoévaluation, Validité, Biais méthodologique, Diagnostic, Questionnaire, Etude longitudinale, Europe

    Mots-clés Pascal anglais : Prostitution, Drug addiction, Human, Netherlands, Epidemiology, Sexually transmitted disease, Self evaluation, Validity, Methodological bias, Diagnosis, Questionnaire, Follow up study, Europe

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

    Cote : 95-0564284

    Code Inist : 002B30A01A1. Création : 01/03/1996.