NCT05530044

Brief Summary

The primary objective of this protocol is to develop and evaluate peer communication interventions to encourage peer education around COVID-19 vaccination and climate change.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
600

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Aug 2022

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

August 30, 2022

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

August 31, 2022

Completed
7 days until next milestone

First Posted

Study publicly available on registry

September 7, 2022

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 20, 2022

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

January 20, 2024

Completed
Last Updated

January 24, 2024

Status Verified

January 1, 2024

Enrollment Period

4 months

First QC Date

August 31, 2022

Last Update Submit

January 23, 2024

Conditions

Outcome Measures

Primary Outcomes (4)

  • Frequency of conversations about vaccines

    A brief measure of frequency of conversations about vaccines in the prior month

    1 month

  • Frequency of conversations about climate change

    A brief measure of frequency of conversations about climate in the prior month

    1 month

  • Actions to promote vaccine uptake in social network

    Number of social network members that participate encouraged to become vaccinated

    1 month

  • Actions to promote climate change activism in social network

    Number of social network members that participate encouraged to engage in climate change actions

    1 month

Study Arms (2)

vaccine

EXPERIMENTAL

Promotes COVID-19 vaccine uptake

Behavioral: Social diffusion intervention

climate change

ACTIVE COMPARATOR

Promotes climate change activism

Behavioral: Social diffusion intervention

Interventions

training in communication skills

climate changevaccine

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • English-speaking
  • English-reading
  • Reside in the United States
  • Over 18 years of age
  • Have passed Prolific's data quality checks on their previously submitted work
  • Have heard of COVID-19 and the COVID-19 vaccine

You may not qualify if:

  • Do not provide informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Johns Hopkins Bloomberg School of Public Health

Baltimore, Maryland, 21205, United States

Location

MeSH Terms

Conditions

Vaccination Hesitancy

Condition Hierarchy (Ancestors)

Vaccination RefusalTreatment RefusalTreatment Adherence and ComplianceHealth BehaviorBehavior

Study Officials

  • Carl A Latkin, Ph.D.

    Johns Hopkins Bloomberg School of Public Health

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Masking Details
online
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: RCT
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 31, 2022

First Posted

September 7, 2022

Study Start

August 30, 2022

Primary Completion

December 20, 2022

Study Completion

January 20, 2024

Last Updated

January 24, 2024

Record last verified: 2024-01

Data Sharing

IPD Sharing
Will share

unidentified data

Shared Documents
STUDY PROTOCOL, ICF
Time Frame
Two years from the end of the study.
Access Criteria
contact the PI.

Locations