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/...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
F1000 Research Ltd
2019-02-01
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Series: | F1000Research |
Online Access: | https://f1000research.com/articles/7-1083/v2 |