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  1. Oral contraceptive use : interview data versus pharmacy records.

    Article - En anglais

    Background If women tend to forget and underreport their past oral contraceptive (OC) use, but the recall among cases is enhanced by the presence of disease, recall bias may explain some reported health effects of OC use.

    Methods Two different sources of information on lifetime OC use were compared for 427 (84%) of a community-based sample of 511 women aged 20-34 : (i) structured interviews, using a life event calendar and picture display as memory aids, and (ii) a register of all prescriptions dispensed by pharmacies in the county since 1970.

    Results Interview data and pharmacy records showed high levels of agreement for any OC use, current use, time since first and last use, total duration of use, and for duration of use in different'time windows'But there was a tendency to underreport specific kinds of OC used in the past.

    Conclusion Underreporting of OC use among non-cases would usually introduce little or no bias (as compared to pharmacy records) for this kind of interview and women.

    However, it may be preferable to use interviews for current OC use, and pharmacy records for specific kinds of OC used in the past.

    Mots-clés Pascal : Contraception, Voie orale, Utilisation, Entretien, Registre, Biais méthodologique, Méthodologie, Enregistrement donnée, Homme, Femelle, Suède, Europe, Epidémiologie, Etude comparative, Appareil génital femelle

    Mots-clés Pascal anglais : Contraception, Oral administration, Use, Interview, Register, Methodological bias, Methodology, Data logging, Human, Female, Sweden, Europe, Epidemiology, Comparative study, Female genital system

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

    Cote : 99-0087577

    Code Inist : 002B20A01. Création : 31/05/1999.