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

16 de fevereiro de 2022 atualizado por: 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.

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Tipo de estudo

Intervencional

Inscrição (Real)

5784

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

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

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Sim

Gêneros Elegíveis para o Estudo

Tudo

Descrição

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

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Outro
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Solteiro

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: 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!"
Comportamental: 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.
Experimental: Control message
Control message containing only rally slogan: "It's safe and effective!"
Comportamental: 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.
Experimental: Combination message: Descriptive Norm (70%) + Descriptive Norm
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Comportamental: 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.
Experimental: Combination message: Descriptive Norm (70%) + HCW recommendation
Participants received 2 messages which were exposed one at a time. Sequence of message appearing randomly rotated.
Comportamental: 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.
Experimental: 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.
Comportamental: 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.
Experimental: 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.
Comportamental: 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.
Experimental: 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.
Comportamental: 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.
Experimental: 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.
Comportamental: 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.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in intent to accept the COVID-19 vaccine amongst the Malaysian adult population.
Prazo: 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.
Prazo: 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.
Prazo: 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.
Prazo: 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.
Prazo: 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.

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Moderators of vaccination intent.
Prazo: 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.
Prazo: 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.

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Clinical Research Centre, Malaysia

Colaboradores

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

Investigadores

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

Publicações e links úteis

A pessoa responsável por inserir informações sobre o estudo fornece voluntariamente essas publicações. Estes podem ser sobre qualquer coisa relacionada ao estudo.

Publicações Gerais

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

29 de abril de 2021

Conclusão Primária (Real)

7 de junho de 2021

Conclusão do estudo (Real)

7 de junho de 2021

Datas de inscrição no estudo

Enviado pela primeira vez

10 de fevereiro de 2022

Enviado pela primeira vez que atendeu aos critérios de CQ

16 de fevereiro de 2022

Primeira postagem (Real)

17 de fevereiro de 2022

Atualizações de registro de estudo

Última Atualização Postada (Real)

17 de fevereiro de 2022

Última atualização enviada que atendeu aos critérios de controle de qualidade

16 de fevereiro de 2022

Última verificação

1 de fevereiro de 2022

Mais Informações

Termos relacionados a este estudo

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • NMRR-21-26-58107

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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