A study update newsletter or Post-it® note did not increase postal questionnaire response rates in a falls prevention trial: an embedded randomised factorial trial [version 2; referees: 2 approved]

Background: Participants not returning data collection questionnaires is a problem for many randomised controlled trials. The resultant loss of data leads to a reduction in statistical power and can result in bias. The aim of this study was to assess whether the use of a study update newsletter and/...

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Bibliographic Details
Main Authors: Sara Rodgers, Illary Sbizzera, Sarah Cockayne, Caroline Fairhurst, Sarah E. Lamb, Wesley Vernon, Judith Watson, Catherine Hewitt, David Torgerson
Format: Article
Language:English
Published: F1000 Research Ltd 2019-02-01
Series:F1000Research
Online Access:https://f1000research.com/articles/7-1083/v2