Clinical Research Directory
Browse clinical research sites, groups, and studies.
Glaucoma Screening to Enhance At-Risk Californians' Health - Survey Response Incentives
Sponsor: University of California, San Francisco
Summary
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.
Key Details
Gender
All
Age Range
50 Years - Any
Study Type
INTERVENTIONAL
Enrollment
2000
Start Date
2026-08-01
Completion Date
2028-08-01
Last Updated
2026-08-10
Healthy Volunteers
No
Conditions
Interventions
$5 gift card
A $5 gift card is offered as an incentive to participation in the 3-month survey call.
$100 monthly drawing
Entry into monthly drawing for $100 gift card is offered as an incentive to participation in the 3-month survey call.
Locations (2)
Baywell Health
Oakland, California, United States
University of California, San Francisco
San Francisco, California, United States