Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
69972 participants
INTERVENTIONAL
2024-01-17
2024-02-29
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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Message Only
Patients sent an email or SMS reminding them to get vaccinated against the flu.
Reminders
Reminders
Message + Financial Incentive
Patients sent an email or SMS reminding them to get vaccinated against the flu and offering them a $50 financial incentive if they are vaccinated within 1-week.
Reminders
Reminders
Financial Incentive
$50 financial incentive for getting vaccinated within 1-week
Active Control
Patients not sent any reminder message.
Placebo
No special messages or incentives
Interventions
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Reminders
Reminders
Financial Incentive
$50 financial incentive for getting vaccinated within 1-week
Placebo
No special messages or incentives
Eligibility Criteria
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Inclusion Criteria
* Empaneled patients or non-empaneled patients with a primary care visit in past 18 months with valid insurance
* Due for an annual flu shot according to the electronic medical record
* Active phone number or email
* Do not have "Do not contact" flag
Exclusion Criteria
* Received an annual flu shot based on medical record
18 Years
ALL
Yes
Sponsors
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J-PAL North America
UNKNOWN
University of Southern California
OTHER
Responsible Party
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Mireille Jacobson
Associate Professor
Locations
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Contra Costa Health Services
Martinez, California, United States
Countries
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Other Identifiers
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UP-23-00859
Identifier Type: -
Identifier Source: org_study_id
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