57,581
Participants
Start Date
September 4, 2021
Primary Completion Date
December 31, 2021
Study Completion Date
December 31, 2022
Reminder
Letter, short message service (SMS) text, phone, and/or email
Financial incentive
Letter, SMS, phone, and/or email
Lottery
Letter, SMS, phone, and/or email
Geisinger Clinic, Danville
Collaborators (1)
Geisinger Clinic
OTHER
Massachusetts Institute of Technology
OTHER
National Institute on Aging (NIA)
NIH
National Bureau of Economic Research, Inc.
OTHER