2,701
Participants
Start Date
May 24, 2021
Primary Completion Date
August 15, 2021
Study Completion Date
May 24, 2022
Financial incentives
Each of the study arms, including the no message/control arm, will be interacted with different financial incentives (N=5,000)
Convenient scheduling link
In addition, study arms will be randomly assigned a convenient link to the county public vaccine appointment scheduling system highlighted for participants (N=5,000).
Race concordant
Randomized to a messenger who is race concordant with the participant
Gender concordant
Randomized to a messenger who is gender concordant with the participant
Contra Costa Health Plan, Martinez
Collaborators (1)
Contra Costa Health Services
OTHER_GOV
Abdul Latif Jameel Poverty Action Lab
OTHER
University of Southern California
OTHER
National Institute on Aging (NIA)
NIH
National Bureau of Economic Research, Inc.
OTHER