Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return during follow-up of a clinical trial: a randomised study within a trial

Abstract Background A systematic review on the use of incentives to promote questionnaire return in clinical trials suggest they are effective, but not all studies have sufficient funds to use them. Promising an incentive once data are returned can reduce the cost-burden of this approach, with possi...

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Bibliographic Details
Main Authors: Pollyanna Hardy, Jennifer L. Bell, Peter Brocklehurst, on behalf of The Epidural and Position Trial Collaborative Group
Format: Article
Language:English
Published: BMC 2016-07-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12874-016-0180-9