Video Messages and Vaccination Intention

University of Southern California

Status: Completed

Conditions: COVID-19 Vaccination

Treatments: Behavioral: Video messages

Study type: Interventional

Funder types: Other

Identifiers

NCT04979416

UP-21-00587

Details and patient eligibility

About

This study uses an online panel survey to test the impact of video messages on stated likelihood of COVID-19 vaccination. Participants, who have self-identified as unvaccinated against COVID-19, are randomly assigned to either no video message or 1 of 3 video messages to encourage vaccine take-up. The key endpoint is a question about the likelihood of getting vaccinated in the next 30 days.

Full description

This study uses an online panel survey to test the impact of video messages on stated likelihood of COVID-19 vaccination. Participants are recruited from the Prolific.co platform. Those who have indicated to Prolific that they have not been vaccinated will be randomly assigned to either no video message or 1 of 3 video messages created by the Vaccinate LA/USC collaborative. The key endpoint is a question about the likelihood of getting vaccinated in the next 30 days.

Enrollment: 1,001 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• adults in the Prolific.co panel
• unvaccinated against COVID-19

Exclusion criteria

• indicated to Prolific.co that they have received a COVID-19 vaccination

Trial design

Primary purpose: Health Services Research

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

---

1,001 participants in 4 patient groups

Control

No Intervention group

Description:

No video message

Video message 1

Experimental group

Treatment:

Behavioral: Video messages

Video message 2

Experimental group

Treatment:

Behavioral: Video messages

Video message 3

Experimental group

Treatment:

Behavioral: Video messages