Incentives for Glaucoma Screening Participation
(GSearch-SRI Trial)
What You Need to Know Before You Apply
What is the purpose of this trial?
This is a randomized trial to assess whether offering a financial incentive will improve the response rate to a telephone survey. Three incentive approaches will be compared: a $5 gift card, entry into a monthly $100 drawing, or no incentive.
Who Is on the Research Team?
Jeremy D Keenan, MD MPH
Principal Investigator
University of California, San Francisco
Yvonne Ou, MD
Principal Investigator
University of California, San Francisco
Are You a Good Fit for This Trial?
This trial is for people in California who are being contacted to complete a telephone survey about glaucoma screening. There are no specific health or age requirements listed.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Incentive Assessment
Participants are randomized to receive one of three incentive approaches to improve survey response rates
Follow-up
Participants are monitored for survey completion and response rates at 3 months and 12 months
What Are the Treatments Tested in This Trial?
Trial Overview
The study is testing if offering financial incentives—a $5 gift card, entry into a monthly $100 drawing, or no incentive—affects how many people respond to a phone survey about glaucoma screening. Participants are randomly assigned to one of the three groups.
How Is the Trial Designed?
3
Treatment groups
Experimental Treatment
Active Control
No incentive is offered for participation in the 3-month survey call.
Find a Clinic Near You
Who Is Running the Clinical Trial?
University of California, San Francisco
Lead Sponsor
Centers for Disease Control and Prevention
Collaborator
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