Cross-cultural adaptation and validation of the Multimorbidity Treatment Burden Questionnaire (MTBQ) for European-spoken Portuguese

Authors

  • Ana Catarina Brandão MD. Faculdade de Medicina da Universidade de Coimbra. Coimbra, Portugal. https://orcid.org/0009-0006-4211-2168
  • Luiz Miguel Santiago Faculdade de Medicina da Universidade de Coimbra Clínica Universitária de Medicina Geral e Familiar da Faculdade de Medicina da Universidade de Coimbra USF Topázio, ACES Baixo Mondego http://orcid.org/0000-0002-9343-2827
  • José Augusto Simões MD, PhD. Clínica Universitária de Medicina Geral e Familiar, da Faculdade de Medicina da Universidade de Coimbra. Coimbra, Portugal. https://orcid.org/0000-0003-2264-7086

DOI:

https://doi.org/10.32385/rpmgf.v39i6.13793

Keywords:

Multimorbidity, Treatment burden, Socio-economics, General practice, Family medicine

Abstract

Objective: To perform the cultural adaptation and validation of a European-spoken Portuguese version of the Multimorbidity Treatment Burden Questionnaire (MTBQ).

Methods: After the original scale author’s authorization, translation, verification of the most accurate translation, and backward translation were performed. Then, an observational cross-sectional study was conducted in a convenience sample of patients with multimorbidity (MM) using the Portuguese version of the MTBQ named STPM, which was applied twice in two distinct moments. All participants signed the informed consent form and context information like sex, self-reported number of diseases, and the “Socio-Economic Deprivation Index” (SEDI). Data were analysed using descriptive, inferential, and factorial statistics.

Results: In a 100-people sample, 63% of women, STPM showed good reliability (α=0.742) and a positive and significant correlation (ρ=0.916, p<0.001) in the test-retest application. Factorial analysis revealed three factors representing 58.3% of the total variance. A negative and non-significant correlation (ρ=-0.117, p=0.246) between STPM and SEDI scores was verified. STPM score was not different for sex (p=0.750), age group (p=0.853), family context (p=0.745), level of education (p=0.340), and average monthly income (p=0.177). STPM’s score was significantly different compared to the number of self-reported diseases: two-four diseases 15.1±5.9, and more than four, 22.2±7.6, p<0.001.

Discussion: The non-existence of an instrument in European Portuguese allowing the measurement of treatment burden in people with Multimorbidity made this study necessary, adapting the “Multimorbidity Treatment Burden Questionnaire” to European spoken Portuguese, hopefully allowing to find the reason for poor therapeutic results.

Conclusion: The Portuguese version of the MTBQ, the STPM is a useful, consistent, reliable, accessible easy to understand, and short time to fill-in tool independently of age, sex, and economic status.

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Author Biography

  • Luiz Miguel Santiago, Faculdade de Medicina da Universidade de Coimbra Clínica Universitária de Medicina Geral e Familiar da Faculdade de Medicina da Universidade de Coimbra USF Topázio, ACES Baixo Mondego

    Luiz Miguel de Mendonça Soares Santiago é Licenciado em Medicina pela Universidade de Coimbra desde 1979, Mestre em Saúde Pública pela Universidade de Coimbra desde 2006 e Doutorado por unanimidade com distinção e louvor, pela Universidade de Coimbra, na Especialidade de Sociologia Médica, ramo de Medicina Preventiva e Comunitária desde 11/11/2009.

    É desde1/7/2017 Professor Associado da Faculdade de Medicina da Universidade de Coimbra, regendo as Unidades Curriculares de MISP IV, 3º Ano e de Medicina Geral e Familiar, 5º Ano.

    Desde 30 de Janeiro de 2018 tem o título de "Agregado".

    Médico, especialista em Medicina Geral e Familiar, é Consultor com o Grau de Assistente Graduado Sénior da Carreira de Medicina Geral e Familiar desde 2002, sendo orientador no Internato Complementar de Medicina Geral e Familiar desde 2006, tendo exercido na Unidade de Saúde Familiar Topázio em Coimbra, onde ainda continua actividade clínica, agora reduzida.

    Professor Associado Convidado da Universidade da Beira Interior, onde é regente das cadeiras de CSP I, II e III entre 2011 e 2017.

    Desde 2014 até 2017 foi Professor Adjunto Convidado da Coimbra Health Scholl lecionando Patologia Geral.   

    Membro da Academia Europeia de Professores em Medicina Geral e Familiar (EURACT) é orientador de Teses de Mestrado Integrado e de Mestrado Pré-Bolonha bem como de Doutoramento, na Universidade de Coimbra (2) e na Universidade da Beira Interior (6).

    É membro da Comissão de Ética da ARS do Centro.

    Tem vasta bibliografia publicada individualmente e em co-autoria em revistas nacionais e internacionais com “revisores-par” e indexadas (27 artigos).

    Desde março de 2017 é membro investigador do CEISUC, FEUC.

    Em Novembro de 2017 é eleito sócio correspondente da Academia Nacional de Medicina.

    Aguarda a marcação de Provas de Agregação a serem prestadas na Universidade da Beira Interior.

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Published

2023-12-22

Issue

Vol. 39 No. 6 (2023): Revista Portuguesa de Medicina Geral e Familiar

Section

Original Research

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How to Cite

Cross-cultural adaptation and validation of the Multimorbidity Treatment Burden Questionnaire (MTBQ) for European-spoken Portuguese. (2023). Portuguese Journal of Family Medicine and General Practice, 39(6), 504-11. https://doi.org/10.32385/rpmgf.v39i6.13793

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