A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study

Bray, Isabelle; Noble, Sian; Boyd, Andy; Brown, Lindsey; Hayes, Pei; Malcolm, Joanne; Robinson, Ross; Williams, Rachel; Burston, Kirsty; Macleod, John; Molloy, Lynn; Tilling, Kate

doi:10.1186/s12874-015-0041-y

All Outputs (1)

A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study (2015)
Journal Article
Bray, I., Noble, S., Boyd, A., Brown, L., Hayes, P., Malcolm, J., …Tilling, K. (2015). A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study. BMC Medical Research Methodology, 15(1), https://doi.org/10.1186/s12874-015-0041-y

© 2015 Bray et al. Background: Attrition is an important problem in cohort studies. Tracing cohort members who have moved or otherwise lost contact with the study is vital. There is some debate about the acceptability and relative effectiveness of op... Read More about A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study.