COVID-19 Health Messaging to Underserved Communities
1 other identifier
interventional
14,267
1 country
1
Brief Summary
Recent data have shown that covid19 is disproportionately infecting and killing African Americans and Latinx people in the United States. The aim of the study is to determine which messages are most effective at increasing knowledge and changing behaviors that can protect individuals and their communities from the virus. To accomplish this aim, we plan to recruit approximately 20,000 Hispanic and African-American individuals and randomly assign them to videos that vary either the sender or the framing of the message, while providing the relevant public health information.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started May 2020
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 28, 2020
CompletedFirst Posted
Study publicly available on registry
May 1, 2020
CompletedStudy Start
First participant enrolled
May 13, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 24, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
May 26, 2020
CompletedResults Posted
Study results publicly available
July 27, 2021
CompletedJuly 27, 2021
July 1, 2021
11 days
April 28, 2020
May 28, 2021
July 24, 2021
Conditions
Outcome Measures
Primary Outcomes (4)
Incidence Rate for Knowledge Gaps: Control vs. Any Intervention
Incidence rate for knowledge gaps is the count of knowledge gaps divided by the maximum possible count: 7
The outcome was measured immediately following the intervention in the 15-minute baseline survey.
Incidence Rate for Information-seeking Behavior: Control vs. Any Intervention
Incidence rate for Information-seeking behavior is the count of links demanded divided by the maximum possible count: 10
The outcome was measured immediately following the intervention in the 15-minute baseline survey.
Incidence Rate for Knowledge Gaps by Intervention
Incidence rate for knowledge gaps is the count of knowledge gaps divided by the maximum possible count: 7
The outcome was measured immediately following the intervention in the 15-minute baseline survey.
Incidence Rate for Information-seeking Behavior by Intervention
Incidence rate for Information-seeking behavior is the count of links demanded divided by the maximum possible count: 10
The outcome was measured immediately following the intervention in the 15-minute baseline survey.
Study Arms (17)
Control - CDC - Mask (Control) - Concordant
EXPERIMENTALControl Intro, CDC Social Distancing, Mask Control version delivered by minority doctor of same background as the recipient - other definitions are similar
Control - CDC - Mask (Control) - Discordant
EXPERIMENTALControl Intro, CDC Social Distancing, Mask Control version delivered by majority doctor of different background as the recipient - other definitions are similar
Control - MGH - Mask (Control) - Concordant
EXPERIMENTALControl Intro, MGH Social Distancing, Mask Control version delivered by concordant doctor
Control - MGH - Mask (Control) - Discordant
EXPERIMENTALControl Intro, MGH Social Distancing, Mask Control version delivered by discordant doctor
Ack. Discrimination- MGH - Mask (Control) - Concordant
EXPERIMENTALIntroduction Acknowledges past discrimination, MGH doctor talks about Social Distancing, Mask Control all by concordant MD
Ack. Discrimination- MGH - Mask (Control) - Discordant
EXPERIMENTALIntroduction Acknowledges past discrimination, MGH doctor talks about Social Distancing, Mask Control all by discordant MD
Ack. econ. circumstance- MGH - Mask (Control ) Concordant
EXPERIMENTALIntro econ. circumstance -MGH - Mask (Control ) Concordant
Ack. econ. circumstance - MGH - Mask (Control ) Discordant
EXPERIMENTALControl Intro - CDC - Mask (antiStigma) Concordant
EXPERIMENTALControl Intro - CDC - Mask (antiStigma) Concordant messenger
Control Intro - CDC - Mask (antiStigma) Discordant
EXPERIMENTALControl Intro - CDC - Mask (antiStigma) discordant messenger
Control - MGH - MaskS (antiStigma) Concordant messenger
EXPERIMENTALControl - MGH - MaskS (antiStigma) Concordant sender
Control- MGH-MaskS (antiStigma) Discordant messenger
EXPERIMENTALControl - MGH - MaskS (antiStigma) Discordant sender
Ack. Discrimination - MGH - MaskS (antiStigma) Concordant
EXPERIMENTALAcknowledge Discrimination - MGH - MaskS (antiStigma) Concordant sender
Ack. Discrimination - MGH - MaskS (antiStigma) Discordant
EXPERIMENTALAcknowledge Discrimination - MGH - MaskS (antiStigma) Discordant sender
Ack. Econ Hardship- MGH - Mask (antiStigma) Concordant
EXPERIMENTALAcknowledge Econ Hardship- MGH - Mask (antiStigma) Concordant sender
Ack. Econ Hardship- MGH - Mask (antiStigma) Discordant
EXPERIMENTALAcknowledge Econ Hardship- MGH - Mask (antiStigma) discordant sender
Info later - Pure Control
PLACEBO COMPARATORThis group will not receive the videos but will receive information later.
Interventions
o The video messages each participant in one of the treatment groups sees will be randomized on the following dimensions. The different versions are clearly demarcated in the US Doctors Scripts document. * Racial or ethnic identity of the doctor delivering the messages: concordant vs. discordant identity to the subject. * Whether the message includes an acknowledgment of "elephant in the room" issues for each target group: trust in the medical system or fear of deportation. * Whether the social distancing component of the message is delivered by Dr. Birx of the CDC or recorded by the MGH physicians. * Whether individuals are given information about how representative individuals perceive mask wearers of color. This information comes from results of our nationally representative pilot survey. * Some individuals in a control group will see messages later.
Eligibility Criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- National Bureau of Economic Research, Inc.lead
- Massachusetts General Hospitalcollaborator
- Stanford Universitycollaborator
- Yale Universitycollaborator
- Massachusetts Institute of Technologycollaborator
- Harvard Universitycollaborator
Study Sites (1)
JPAL North America
Cambridge, Massachusetts, 02138, United States
Related Publications (1)
Alsan M, Stanford FC, Banerjee A, Breza E, Chandrasekhar AG, Eichmeyer S, Goldsmith-Pinkham P, Ogbu-Nwobodo L, Olken BA, Torres C, Sankar A, Vautrey PL, Duflo E. Comparison of Knowledge and Information-Seeking Behavior After General COVID-19 Public Health Messages and Messages Tailored for Black and Latinx Communities : A Randomized Controlled Trial. Ann Intern Med. 2021 Apr;174(4):484-492. doi: 10.7326/M20-6141. Epub 2020 Dec 21.
PMID: 33347320DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Participants' behavior was not directly observed, outcomes were measured immediately postintervention in May 2020, and online recruitment may not be representative.
Results Point of Contact
- Title
- Pierre-Luc Vautrey
- Organization
- Massachusetts Institute of Technology
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Abdul Latif Jameel Professor of Poverty Alleviation and Development Economics, MIT; Co-Director, Abdul Latif Jameel Poverty Action Lab
Study Record Dates
First Submitted
April 28, 2020
First Posted
May 1, 2020
Study Start
May 13, 2020
Primary Completion
May 24, 2020
Study Completion
May 26, 2020
Last Updated
July 27, 2021
Results First Posted
July 27, 2021
Record last verified: 2021-07
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- SAP, ANALYTIC CODE
- Time Frame
- Generally, social scientists post code and de-identified data when the findings are published
- Access Criteria
- To be determined, if published alongside the paper data and code may be gated.
Generally, economists will post code and de-identified data when the findings are published