To evaluate the effect on retention
SWAT: 76
Objective of this SWAT:
To evaluate the effect on retention of sending pre-notification cards to trial participants one month before trial outcome measurement points.
Status:
Completed
1 evaluation(s) completed
: Risk difference =+3% (95% CI -3% to 10%); GRADE low
Resources:
Please click the links below to access the registered protocol or SWAT download bundle which includes:
