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September 10, 2025International Journal of Nursing Studies AdvancesOpen Access

Digital Health Literacy Instrument for individuals with heart failure in Brazil: assessment of internal structure validity

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Authors

DADaniele Cristina Bosco AprileKCKarina Aparecida Lopes da CostaRFRenata Eloah de Lucena Ferretti-Rebustini

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Overview

Psychometric assessment demonstrates high internal structure validity and reliability in heart failure patients, indicating effective application.

Key Points

  • Strong internal structure validity and reliability of the Brazilian Digital Health Literacy Instrument was established for heart failure patients.
  • The final model achieved reliability metrics with ordinal alpha of 0.94 and omega of 0.95, indicating excellent consistency.
  • Exploratory and confirmatory factor analyses confirmed the tool's unidimensional structure, supporting its clinical utility.
  • Fit indices indicated robust psychometric performance, with Comparative Fit Index at 0.99 and Root Mean Square Error of Approximation at 0.07.

Cite This Study

Aprile et al. (2025) studied this question.

synapsesocial.com/papers/68c1a13354b1d3bfb60dc732https://doi.org/10.1016/j.ijnsa.2025.100391
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Psychometric properties of the health literacy instrument in Brazil (HLS-EU-BR47)2024 · 3 citations
  2. 2Cross-Cultural Adaptation and Psychometric Testing of the Brazilian Version of the Self-Care of Heart Failure Index Version 6.22013 · 39 citations
  3. 3Assessment of eHealth Literacy in Healthcare Service Users: Construction and Validation of a Measurement Instrument2025
  4. 4Cross-cultural adaptation and validation of a disease knowledge and self-care questionnaire for a brazilian sample of heart failure patients2011 · 39 citations
  5. 5Translation, cross-cultural adaptation, and validation of the heart disease fact questionnaire among the Brazilian population2022