584
Participants
Start Date
March 3, 2025
Primary Completion Date
March 2, 2026
Study Completion Date
April 30, 2026
Primer postcard
Inclusion of a mailed primer post card
Control recruitment letter
a recruitment letter without any behaviorally-informed language
Behavioral theory-informed recruitment letter (prospect theory)
the recruitment letter will use prospect theory and deliver a low risk, gain-framed behaviorally-informed message.
2 phone calls
2 recruitment phone calls made by the call center
4 phone calls
4 recruitment phone calls made by the call center
RECRUITING
Boston Medical Center, Boston
Collaborators (1)
National Institute on Aging (NIA)
NIH
Boston Medical Center
OTHER
Columbia University
OTHER
Brigham and Women's Hospital
OTHER