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

NCT07755748 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 2000

Last updated 2026-08-10

No results posted yet for this study

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.

Conditions

  • Screening

Interventions

OTHER

$5 gift card

A $5 gift card is offered as an incentive to participation in the 3-month survey call.

OTHER

$100 monthly drawing

Entry into monthly drawing for $100 gift card is offered as an incentive to participation in the 3-month survey call.

Sponsors & Collaborators

Principal Investigators

  • Jeremy D Keenan, MD MPH · University of California, San Francisco

  • Yvonne Ou, MD · University of California, San Francisco

Study Design

Allocation
RANDOMIZED
Purpose
SCREENING
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
50 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-08-01
Primary Completion
2027-08-01
Completion
2028-08-01

Countries

  • United States

Study Locations

More Related Trials

Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07755748 on ClinicalTrials.gov