Glaucoma Screening to Enhance At-Risk Californians' Health - Survey Response Incentives

Starting soon · Not applicable

Conditions studied: Screening

In brief

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 facts

Study ID

NCT07755748

Run by

University of California, San Francisco

People needed

2000

Starts

2026-08-01

Expected to finish

2028-08-01

Last updated by the study team

2026-08-10

Who can join

Age: 50 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Participating in GSEARCH trial

You may not qualify if…

• Patients without a valid phone number

Where it is running

• Baywell Health — Oakland, California, United States
• University of California, San Francisco — San Francisco, California, United States

Full record on ClinicalTrials.gov

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