Two-by-two factorial randomised study within a trial (SWAT) to evaluate strategies for follow-up in a randomised prevention trial

Two-by-two factorial randomised study within a trial (SWAT) to evaluate strategies for follow-up in a randomised prevention trial

Abstract Background Failure to collect outcome data in randomised trials can result in bias and loss of statistical power. Further evaluations of strategies to increase retention are required. We assessed the effectiveness of two strategies for retention in a randomised prevention trial using a two-...

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Bibliographic Details
Main Authors: Lucy E. Bradshaw, Alan A. Montgomery, Hywel C. Williams, Joanne R. Chalmers, Rachel H. Haines
Format: Article
Language:English
Published: BMC 2020-06-01
Series:Trials
Subjects:
Randomised
Retention
SWAT
Incentive
Short message service
Online Access:http://link.springer.com/article/10.1186/s13063-020-04373-4

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http://link.springer.com/article/10.1186/s13063-020-04373-4

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