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

16. februar 2022 oppdatert av: Nicholas Hing Yee Liang, Clinical Research Centre, Malaysia

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

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.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Faktiske)

5784

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Malaysia
    • Selangor
      • Shah Alam, Selangor, Malaysia, 40170
        • Institute for Clinical Research, National Institutes of Health, Malaysia

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Annen
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Descriptive Norm (70%)

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing that about 70% of Malaysians have expressed acceptance for the COVID-19 vaccine.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Descriptive Norm

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing that the COVID-19 vaccine has been widely tested including with the elderly and people with existing health conditions, while subsequently highlighting that the vaccine was already received by millions worldwide.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Healthcare worker (HCW) recommendation

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content highlights recommendation from Malaysian healthcare workers to get the vaccine, since majority of them has already received it, including the Malaysian Health Director General
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Negative attribute framing

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing the rate of side effects occurring with COVID-19 vaccination in a negative frame.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Positive attribute framing

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing the rate of side effects occurring with COVID-19 vaccination in a positive frame.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Risky choice framing (Safety)

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing a risky choice frame which compares the death rates occurring with COVID-19 vaccination versus contracting the virus itself.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Risky choice framing (Side effects)

Intervention in the form of a message likened to a social media post. Composed of 3 parts:

  1. Opening tag line highlighting the main concern that Malaysians have about the COVID-19 vaccine (safety and side effects)
  2. Message content describing a risky choice frame that compares the incidence rates of blood clots occurring with COVID-19 vaccination versus contracting COVID-19.
  3. Rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Control message
Control message containing only rally slogan: "It's safe and effective!"
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + Descriptive Norm
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + HCW recommendation
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + Negative attribute framing
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + Positive attribute framing
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + Risky choice framing (Safety)
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.
Eksperimentell: Combination message: Descriptive Norm (70%) + Risky choice framing (Side effects)
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Atferdsmessig: 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.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in intent to accept the COVID-19 vaccine amongst the Malaysian adult population.
Tidsramme: Immediately before and after message exposure during questionnaire administration.
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.
Change in intent to recommend the COVID-19 vaccine to healthy adults.
Tidsramme: Immediately before and after message exposure during questionnaire administration.
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.
Change in intent to recommend the COVID-19 vaccine to elderly.
Tidsramme: Immediately before and after message exposure during questionnaire administration.
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.
Change in intent to recommend the COVID-19 vaccine to people with existing health conditions.
Tidsramme: Immediately before and after message exposure during questionnaire administration.
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.
Intent to share message on social media platform.
Tidsramme: Immediately after message exposure during questionnaire administration.
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.

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Moderators of vaccination intent.
Tidsramme: Immediately after message exposure during questionnaire administration.
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.
Reliability of various information sources about COVID-19.
Tidsramme: Immediately after message exposure during questionnaire administration.
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.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Clinical Research Centre, Malaysia

Samarbeidspartnere

University of Malaya
London School of Economics and Political Science
Ministry of Health, Malaysia
UNICEF Malaysia
Institute for Health Behavioral Research, Malaysia

Etterforskere

  • Hovedetterforsker: Yee Liang Hing, MSc., Clinical Research Centre, Malaysia

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

29. april 2021

Primær fullføring (Faktiske)

7. juni 2021

Studiet fullført (Faktiske)

7. juni 2021

Datoer for studieregistrering

Først innsendt

10. februar 2022

Først innsendt som oppfylte QC-kriteriene

16. februar 2022

Først lagt ut (Faktiske)

17. februar 2022

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

17. februar 2022

Siste oppdatering sendt inn som oppfylte QC-kriteriene

16. februar 2022

Sist bekreftet

1. februar 2022

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • NMRR-21-26-58107

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