Study Results
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View full resultsBasic Information
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COMPLETED
NA
2701 participants
INTERVENTIONAL
2021-05-24
2022-05-24
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
HEALTH_SERVICES_RESEARCH
NONE
Study Groups
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Control Arm
No messaging about COVID-19 vaccination
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).
Emotional message
Participants view an emotional video from the state of California about getting back to normal.
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).
Safety and effectiveness message
Participants view a video with information about the safety and effectiveness of the COVID-19 vaccines
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
Consequences message
Participants view a video with information about the consequences of not getting vaccinated against COVID-19.
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
Interventions
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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
Eligibility Criteria
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Inclusion Criteria
* member of Contra Costa Health Plan (CCHP)
Exclusion Criteria
18 Years
ALL
No
Sponsors
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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
Responsible Party
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Locations
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Contra Costa Health Plan
Martinez, California, United States
Countries
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Provided Documents
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Document Type: Study Protocol and Informed Consent Form
Document Type: Statistical Analysis Plan
Other Identifiers
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27165
Identifier Type: -
Identifier Source: org_study_id
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