Enclosing a pen in a postal questionnaire follow-up to increase response rate: a study within a trial [version 2; peer review: 2 approved]
Background: Poor response rates to follow-up questionnaires can adversely affect the progress of a randomised controlled trial and the validity of its results. This embedded ‘study within a trial’ aimed to investigate the impact of including a pen with the postal 3-month questionnaire completed by t...
| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
F1000 Research Ltd
2023-04-01
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| Series: | NIHR Open Research |
| Subjects: | |
| Online Access: | https://openresearch.nihr.ac.uk/articles/2-53/v2 |