Health Communication to Influence COVID-19 Vaccination Intent and Message Propagation

COVID-19 Clinical Trial

— CONVINCE  

Official title:

Effective Public Health Communication to Influence COVID-19 Vaccination Intent and Message Propagation: A Randomized Controlled Experiment

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05244356
• Other study ID #: NMRR-21-26-58107
• Status: Completed
• Phase: N/A
• Start date: April 29, 2021
• Est. completion date: June 7, 2021

Study information

• Verified date: February 2022
• Source: Clinical Research Centre, Malaysia
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This is a randomised controlled experiment in the form of a web based survey study which randomly exposes participants to different forms of public health messages, after which participants will be assessed on their intent to take up the COVID-19 vaccine, recommend the vaccine, and also willingness to propagate the exposed message.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 5784
• Est. completion date: June 7, 2021
• Est. primary completion date: June 7, 2021
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Willing and able to give informed consent for participation in the trial
• Malaysian nationality.
• Can understand either the English or Malay language.
• Aged 18 years or above

Exclusion Criteria:

• Received at least one COVID-19 vaccination dose

Related Conditions & MeSH terms

• Behavior, Health
• Communicable Diseases
• Coronavirus Infections
• COVID-19
• Infections
• Infectious Disease
• Lung Diseases
• Pneumonia
• Pneumonia, Viral
• Respiration Disorders
• Respiratory Disease
• Respiratory Tract Diseases
• Respiratory Tract Infections
• Vaccine Refusal

Intervention

Behavioral:
• Health message exposure
Participants exposed to a health message and requested to read it completely. Subsequently requested to answer post intervention questions that form basis for outcome measures.

Locations

Country	Name	City	State
Malaysia	Institute for Clinical Research, National Institutes of Health, Malaysia	Shah Alam	Selangor

Sponsors (6)

Lead Sponsor	Collaborator
Clinical Research Centre, Malaysia	Institute for Health Behavioral Research, Malaysia, London School of Economics and Political Science, Ministry of Health, Malaysia, UNICEF Malaysia, University of Malaya

Country where clinical trial is conducted

Malaysia, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Change in intent to accept the COVID-19 vaccine amongst the Malaysian adult population.	Outcome measure was assessed using a questionnaire answered through a 4 point ordinal scale. Scale ranges from '"Definitely no", "Not sure, but probably no", "Not sure, but probably yes"to Definitely yes".	Immediately before and after message exposure during questionnaire administration.
Primary	Change in intent to recommend the COVID-19 vaccine to healthy adults.	Outcome measure was assessed using a questionnaire answered through a 5 point ordinal scale. Scale ranges from "Strongly disagree", "Disagree", "Not sure", "Agree", and "Strongly agree".	Immediately before and after message exposure during questionnaire administration.
Primary	Change in intent to recommend the COVID-19 vaccine to elderly.	Outcome measure was assessed using a questionnaire answered through a 5 point ordinal scale. Scale ranges from "Strongly disagree", "Disagree", "Not sure", "Agree", and "Strongly agree".	Immediately before and after message exposure during questionnaire administration.
Primary	Change in intent to recommend the COVID-19 vaccine to people with existing health conditions.	Outcome measure was assessed using a questionnaire answered through a 5 point ordinal scale. Scale ranges from "Strongly disagree", "Disagree", "Not sure", "Agree", and "Strongly agree".	Immediately before and after message exposure during questionnaire administration.
Primary	Intent to share message on social media platform.	Outcome measure was assessed using a questionnaire answered through a 5 point ordinal scale.Scale ranges from "Strongly disagree", "Disagree", "Not sure", "Agree", and "Strongly agree".	Immediately after message exposure during questionnaire administration.
Secondary	Moderators of vaccination intent.	Outcome measure assessed using a series of questions answered through a 5 point ordinal scale. Scale ranges from "Strongly disagree", "Disagree", "Not sure", "Agree", and "Strongly agree".	Immediately after message exposure during questionnaire administration.
Secondary	Reliability of various information sources about COVID-19.	Outcome measure assessed using a questionnaire that list out various types of information sources and having participants to rate the reliability for each source using a 5 point ordinal scale. Scale ranges from "Strongly not reliable", "Not reliable, "Not sure", "Reliable", and "Strongly reliable".	Immediately after message exposure during questionnaire administration.