Effects of telephone calls or postcards to trial participants following enrolment on retention in a randomised trial
SWAT: 114
Objective of this SWAT:
To evaluate the impact of courtesy introductory telephone calls to newly recruited trial participants on their response to follow-up questionnaires compared with a written card with equivalent information, or neither.
Status:
Idea/In Development
Resources:
Please click the links below to access the registered protocol or SWAT download bundle which includes: 1)Host Trial Protocol SWAT appendices; 2) SWAT Intervention; 3)SWAT delivery instructions
