Does a monetary incentive improve the response to a postal questionnaire in a randomised controlled trial? The MINT incentive study.

BACKGROUND: Sending a monetary incentive with postal questionnaires has been found to improve the proportion of responders, in research in non-healthcare settings. However, there is little research on use of incentives to improve follow-up rates in clinical trials, and existing studies are inconclu...

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Bibliographic Details
Main Authors: Gates, S, Williams, M, Withers, E, Williamson, E, Mt-Isa, S, Lamb, S
Format: Journal article
Language:English
Published: 2009