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Advance notification of trial participants before outcome data collection to improve retention

SWAT: 86

Objective of this SWAT:

To evaluate the effects of a pre-notification letter or email on completion and return of outcome questionnaires.


In Progress


Please click the links below to access the registered protocol or SWAT download bundle which includes: 1)SWAT Study Protocol; 2) SWAT Intervention; 3)SWAT Statistical Analysis Plan; 4)SWAT Initial Results Publication
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