Impact of resurvey non-response on the associations between baseline risk factors and cardiovascular disease mortality: prospective cohort study
Résumé
Selection bias in observational epidemiology – the notion that people who participate in a study are fundamentally different to those that do not – is a perennial concern. In cohort studies, a potentially important but little-investigated manifestation of selection bias is the distortion of the exposure-disease relationship according to participation status.
Origine : Fichiers produits par l'(les) auteur(s)
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