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Video Messages and Vaccination Intention

NCT ID: NCT04979416

Last Updated: 2021-12-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1001 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-07-21

Study Completion Date

2021-07-22

Brief Summary

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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.

Detailed Description

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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.

Conditions

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COVID-19 Vaccination

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

SINGLE

Participants
Participants do not know if they are in control or treatment or the type of treatment.

Study Groups

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Control

No video message

Group Type NO_INTERVENTION

No interventions assigned to this group

Video message 1

Group Type EXPERIMENTAL

Video messages

Intervention Type BEHAVIORAL

video messages aimed at increasing vaccination

Video message 2

Group Type EXPERIMENTAL

Video messages

Intervention Type BEHAVIORAL

video messages aimed at increasing vaccination

Video message 3

Group Type EXPERIMENTAL

Video messages

Intervention Type BEHAVIORAL

video messages aimed at increasing vaccination

Interventions

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Video messages

video messages aimed at increasing vaccination

Intervention Type BEHAVIORAL

Eligibility Criteria

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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
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Southern California

OTHER

Sponsor Role lead

Responsible Party

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Mireille Jacobson

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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USC

Los Angeles, California, United States

Site Status

Countries

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United States

Other Identifiers

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UP-21-00587

Identifier Type: -

Identifier Source: org_study_id