- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05252936
Effectiveness of a Mayan Language Social Media Campaign on COVID-19 Vaccine Beliefs in Guatemala
April 5, 2022 updated by: Jamie Johnston, Stanford University
Effectiveness of a Mayan Language Social Media Campaign on COVID-19 Vaccine
Prior evidence, including formative work supporting the development of this study, suggests there is widespread vaccine hesitancy among Indigenous communities in Guatemala, fueled by mistrust in the health system, lack of official information, and the circulation of myths and misinformation.
We will test the effectiveness of a video-based social media campaign that provides a basic overview of the science behind COVID-19 vaccines and addresses prevalent myths and misinformation being shared in target communities.
A series of animated videos will be promoted through Facebook Ads and randomized at the individual level across Facebook users throughout the entire country.
To investigate the effectiveness of Mayan language content, we are testing three treatment arms - visually identical videos in the 1) Spanish language, 2) K'iche' language, and 3) Kaqchikel language.
Our primary outcomes are responses to two attitudinal questions collected via Facebook polling: 1) How safe do you think a COVID-19 vaccine is for people like you? (options: very safe, somewhat safe, barely safe, not safe, don't know); and 2) When you think of most people whose opinion you value, how much would they approve of people getting a COVID-19 vaccine?
(options: definitely approve, mostly approve, somewhat approve, not at all approve, don't know).
We will measure effects of the three treatment arms across Spanish speakers (including K'iche' and Kaqchikel speakers who also speak Spanish).
We will also measure the effectiveness of K'iche vs. Spanish content among K'iche speakers and Kaqchikel vs. Spanish content for Kaqchikel speakers.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
5000
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
-
Tecpán Guatemala, Guatemala
- Wuqu' Kawoq - Maya Health Alliance
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria:
- The intervention will be delivered through the Facebook Ads platform. Intervention content will be promoted to Facebook Users throughout the entire country of Guatemala. K'iche' content will be targeted only in departments where the K'iche' language is primarily spoken. Kaqchikel content will be targeted only in departments where the Kaqchikel language is primarily spoken.
Exclusion Criteria:
- Only adult Facebook users of age 18 will be included. Users under age 18 are excluded.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Spanish language content
Social media campaign content with Spanish language voiceover
|
A series of animated video clips will be promoted through Facebook Ads and randomized at the individual level across Facebook users throughout the entire country.
To investigate the effectiveness of Mayan language content, we are testing three treatment arms - visually identical videos in the 1) Spanish, 2) K'iche', and 3) Kaqchikel languages.
The videos are visually identical and follow the same audio script, translated into the three focal language.
Local voiceover artists were used to record the scripts in the three languages.
A control group that is not exposed to any of the social media campaign content will serve as active comparator to allow for comparison of outcomes with treatment arms.
|
Experimental: K'iche' language content
Social media campaign content with K'iche' language voiceover
|
A series of animated video clips will be promoted through Facebook Ads and randomized at the individual level across Facebook users throughout the entire country.
To investigate the effectiveness of Mayan language content, we are testing three treatment arms - visually identical videos in the 1) Spanish, 2) K'iche', and 3) Kaqchikel languages.
The videos are visually identical and follow the same audio script, translated into the three focal language.
Local voiceover artists were used to record the scripts in the three languages.
A control group that is not exposed to any of the social media campaign content will serve as active comparator to allow for comparison of outcomes with treatment arms.
|
Experimental: Kaqchikel language content
Social media campaign content with Kaqchikel language voiceover
|
A series of animated video clips will be promoted through Facebook Ads and randomized at the individual level across Facebook users throughout the entire country.
To investigate the effectiveness of Mayan language content, we are testing three treatment arms - visually identical videos in the 1) Spanish, 2) K'iche', and 3) Kaqchikel languages.
The videos are visually identical and follow the same audio script, translated into the three focal language.
Local voiceover artists were used to record the scripts in the three languages.
A control group that is not exposed to any of the social media campaign content will serve as active comparator to allow for comparison of outcomes with treatment arms.
|
Active Comparator: Control
A control group that is not exposed to any of the social media campaign content will serve as control to allow for comparison of outcomes with treatment arms.
|
A series of animated video clips will be promoted through Facebook Ads and randomized at the individual level across Facebook users throughout the entire country.
To investigate the effectiveness of Mayan language content, we are testing three treatment arms - visually identical videos in the 1) Spanish, 2) K'iche', and 3) Kaqchikel languages.
The videos are visually identical and follow the same audio script, translated into the three focal language.
Local voiceover artists were used to record the scripts in the three languages.
A control group that is not exposed to any of the social media campaign content will serve as active comparator to allow for comparison of outcomes with treatment arms.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Beliefs about COVID-19 vaccine safety
Time Frame: 4 weeks
|
Our primary outcomes are responses to two attitudinal questions collected via Facebook polling.
This outcome is response to the question: How safe do you think a COVID-19 vaccine is for people like you? (options: very safe, somewhat safe, barely safe, not safe, don't know).
|
4 weeks
|
Beliefs about COVID-19 vaccine acceptance among social network
Time Frame: 4 weeks
|
Our primary outcomes are responses to two attitudinal questions collected via Facebook polling.
This outcome is response to the question: When you think of most people whose opinion you value, how much would they approve of people getting a COVID-19 vaccine?
(options: definitely approve, mostly approve, somewhat approve, not at all approve, don't know).
|
4 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 14, 2022
Primary Completion (Actual)
April 4, 2022
Study Completion (Actual)
April 4, 2022
Study Registration Dates
First Submitted
February 21, 2022
First Submitted That Met QC Criteria
February 21, 2022
First Posted (Actual)
February 23, 2022
Study Record Updates
Last Update Posted (Actual)
April 7, 2022
Last Update Submitted That Met QC Criteria
April 5, 2022
Last Verified
April 1, 2022
More Information
Terms related to this study
Other Study ID Numbers
- 63193
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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