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Peer-reviewedCC BYRevista da Associacao Medica Brasileira (1992)

Psychometric properties of the Brazilian 14-Item Health Literacy Scale for people living with mental disorders: a cross-sectional study.

  • Marcos Renan Barbosa1
  • Lucas Machado Maracci2
  • Marília Jesus Batista de Brito Mota3
  • Eliana Elisa Rehfeld Gheno1
  • Márcio Strassburger Junior1
  • Mariana Fröhlich Alievi1
  • Olga Maria Martins de Sousa Valentim4,5
  • Adriane Cristina Bernat Kolankiewicz1
5 affiliations
  1. 1Universidade Regional do Noroeste do Estado do Rio Grande do Sul, Graduate Program in Comprehensive Health Care - Ijuí (RS), Brazil.
  2. 2Universidade Federal de Santa Maria, Graduate Program in Dental Sciences - Santa Maria (RS), Brazil.
  3. 3Faculdade de Ciências Médicas da Santa Casa de São Paulo, Graduate Program in Dentistry - São Paulo (SP), Brazil.
  4. 4University of Lisbon, School of Nursing, Nursing Research Innovation and Development Centre of Lisbon (CIDNUR) - Lisbon, Portugal.
  5. 5RISE-Health, Nursing School of Porto - Porto, Portugal.
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Abstract

Introduction

There is no evidence of validity and reliability for an instrument capable of comprehensively assessing health literacy (including its Functional, Communicative, and Critical dimensions) among Brazilian adults living with mental disorders.Objective

The aim of this study was to evaluate the validity, reliability, and evidence of divergent validity of the Brazilian 14-Item Health Literacy Scale in individuals with chronic mental disorders.Methods

This cross-sectional psychometric study involved patients receiving care at the Psychosocial Care Center in the city of Ijuí, southern Brazil, between April and October 2023. Eligible participants were clinically stable adults with severe and persistent mental disorders; individuals with intellectual disabilities or legal incapacity were excluded. Data collection was conducted by trained students, who read and explained the items of each instrument to the participants. In total, the sample comprised 444 patients. The Brazilian version of the 14-Item Health Literacy Scale, previously translated, cross-culturally adapted, and validated for Brazilian Portuguese, was used to assess health literacy and to perform the psychometric analysis.Results

Good internal consistency was demonstrated, with Cronbach's alpha and McDonald's omega coefficients of 0.83 (95%CI 0.78-0.88) and 0.75 (95%CI 0.68-0.83), respectively. The 14-Item Health Literacy Scale presented acceptable fit indices for the Comparative Fit Index, Tucker-Lewis Index, and Normed Fit Index, with values of 0.938, 0.923, and 0.904, respectively. Divergent validity was verified by the lack of statistically significant correlations and by weak correlations (r<0.300) with the Social Support Scale.Conclusion

The 14-Item Health Literacy Scale presented adequate psychometric properties and showed evidence of validity and acceptable reliability for assessing the health literacy of Brazilians living with mental disorder.

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Cite

BibTeXRIS
BibTeX
@article{barbosa2026psychometric,
  title = {{Psychometric properties of the Brazilian 14-Item Health Literacy Scale for people living with mental disorders: a cross-sectional study.}},
  author = {Marcos Renan Barbosa and Lucas Machado Maracci and Marília Jesus Batista de Brito Mota and Eliana Elisa Rehfeld Gheno and Márcio Strassburger Junior and Mariana Fröhlich Alievi and Olga Maria Martins de Sousa Valentim and Adriane Cristina Bernat Kolankiewicz},
  journal = {Revista da Associacao Medica Brasileira (1992)},
  year = {2026},
  month = oct,
  doi = {10.1590/1806-9282.20251444},
  url = {https://europepmc.org/article/MED/42879581},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Psychometric properties of the Brazilian 14-Item Health Literacy Scale for people living with mental disorders: a cross-sectional study.
AU  - Marcos Renan Barbosa
AU  - Lucas Machado Maracci
AU  - Marília Jesus Batista de Brito Mota
AU  - Eliana Elisa Rehfeld Gheno
AU  - Márcio Strassburger Junior
AU  - Mariana Fröhlich Alievi
AU  - Olga Maria Martins de Sousa Valentim
AU  - Adriane Cristina Bernat Kolankiewicz
PY  - 2026
DA  - 2026/10/12
JO  - Revista da Associacao Medica Brasileira (1992)
DO  - 10.1590/1806-9282.20251444
UR  - https://europepmc.org/article/MED/42879581
AB  - Introduction  There is no evidence of validity and reliability for an instrument capable of comprehensively assessing health literacy (including its Functional, Communicative, and Critical dimensions) among Brazilian adults living with mental disorders.Objective  The aim of this study was to evaluate the validity, reliability, and evidence of divergent validity of the Brazilian 14-Item Health Literacy Scale in individuals with chronic mental disorders.Methods  This cross-sectional psychometric study involved patients receiving care at the Psychosocial Care Center in the city of Ijuí, southern Brazil, between April and October 2023. Eligible participants were clinically stable adults with severe and persistent mental disorders; individuals with intellectual disabilities or legal incapacity were excluded. Data collection was conducted by trained students, who read and explained the items of each instrument to the participants. In total, the sample comprised 444 patients. The Brazilian version of the 14-Item Health Literacy Scale, previously translated, cross-culturally adapted, and validated for Brazilian Portuguese, was used to assess health literacy and to perform the psychometric analysis.Results  Good internal consistency was demonstrated, with Cronbach's alpha and McDonald's omega coefficients of 0.83 (95%CI 0.78-0.88) and 0.75 (95%CI 0.68-0.83), respectively. The 14-Item Health Literacy Scale presented acceptable fit indices for the Comparative Fit Index, Tucker-Lewis Index, and Normed Fit Index, with values of 0.938, 0.923, and 0.904, respectively. Divergent validity was verified by the lack of statistically significant correlations and by weak correlations (r<0.300) with the Social Support Scale.Conclusion  The 14-Item Health Literacy Scale presented adequate psychometric properties and showed evidence of validity and acceptable reliability for assessing the health literacy of Brazilians living with mental disorder.
SN  - 0104-4230
SN  - 1806-9282
ER  -