Enrolment-latency in randomized behavior change trials: individual participant data meta-analysis showed association with attrition but not effect-size

Nonresponse can bias prevalence estimates in population surveys. Effects of selective participation in behavior change intervention trials have been little studied. We tested hypotheses that trial participants who are hard to recruit are (1) more likely to be lost-to-follow-up and (2) less responsive to intervention.

Source: Journal of Clinical Epidemiology - November 6, 2019 Category: Epidemiology Authors: Kypros Kypri, Steven J. Bowe, Nadine Karlsson, Jim McCambridge Tags: Original Article Source Type: research