Abstract
Purpose
To analyse the psychometric properties of the translated and cross-culturally adapted version of the OSAKA (Obstructive Sleep Apnea Knowledge and Attitudes) questionnaire in the Brazilian Portuguese language.
Methods
The OSAKA instrument was translated by two independent translators, and the back-translated conciliated version was presented and approved by Washington University, which holds the intellectual property for the OSAKA questionnaire. Physicians from different specialties electronically completed the OSAKA instrument and the ASKME (Assessment of Sleep Knowledge in Medical Education) questionnaire, which was used as an auxiliary instrument to analyse the construct validity.
Results
The questionnaire was tested with 176 physicians. The items from the knowledge and attitudes domains presented acceptable internal consistency values, with McDonald’s omega coefficients (Ω) of 0.70 and 0.73, respectively. The OSAKA questionnaire showed a moderate correlation with the ASKME instrument (r = 0.60, p < 0.001) and excellent retest reliability, with an intraclass correlation coefficient of 0.81. There were differences in knowledge between the medical specialties (p < 0.001). Regarding attitudes, most respondents considered obstructive sleep apnoea and its diagnosis to be important and felt confident in identifying it, but the same majority did not feel confident in treating the disease.
Conclusion
The OSAKA instrument, as a translated and cross-culturally adapted Brazilian Portuguese version, presented psychometric properties with adequate reliability and validity.
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Data availability
The datasets generated during and/or analysed during the current study are available from the corresponding author upon reasonable request.
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Acknowledgements
To Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brazil (CAPES). To Laboratory of Edition, Translation and Review of Academic Texts (LETRARE) of the Federal University of Ceara (UFC).
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FSLS: preparation and planning of work, data acquisition, and drafting of manuscript.
TBA, WRAM, KBR, and ACGBL: data acquisition, data analysis, and interpretation.
KCF, LMTN, GFBC, MFA, and MASN: critical revision of the work for important intellectual content.
ABVJ: methodological review and statistical analysis.
CFL: draft preparation, revision, and study conceptualization.
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Silva, F.S.L., Furlanetto, K.C., Neves, L.M.T. et al. Translation, transcultural adaptation, and validation of the Brazilian Portuguese version of the Obstructive Sleep Apnea Knowledge and Attitudes (OSAKA) questionnaire. Sleep Breath 27, 1195–1201 (2023). https://doi.org/10.1007/s11325-022-02661-8
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DOI: https://doi.org/10.1007/s11325-022-02661-8