Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/38097

Title: Translation, Cultural Adaptation, and Reliability of the 15D Portuguese Version: A Generic Health-Related Quality of Life (HRQoL) Instrument
Authors: Ferreira, Soraia
Sintonen, Harri
Raimundo, Armando
Batalha, Nuno
Mendoza-Muñoz, María
Perez-Gomez, Jorge
Parraca, Jose A.
Keywords: quality of life
health survey
Portugal
population
Issue Date: 12-Apr-2023
Abstract: (1) Background: Purpose: The assessment of quality of life is essential to the human condition and can be measured through questionnaires. This study aims to translate and culturally adapt the 15D questionnaire to assess the population’s quality of life, as well as explore its relative reliability and internal consistency; (2) Methods: The translation and cultural adaptation of the 15D questionnaire was carried out independently, considering two translations. The synthesis version was applied to eight subjects, distributed by gender. Cognitive interviews were conducted to observe clarity, acceptability, and familiarity with the version of the questionnaire. The final version of the questionnaire, in Portuguese, was again translated into the official language by two translators who had never had contact with the questionnaire. To assess the test-retest reliability and internal consistency of the 15D questionnaire, 43 participants were interviewed; (3) Results: Participants indicated that they had some doubts about dimensions, breathing, and discomfort and symptoms; however, as there were no suggestions for change, the questionnaire had no changes. Items were clear and understandable. Internal consistency was observed using Cronbach’s alpha, with values between 0.76 and 0.98. The test-retest reliability values were between 0.77 and 0.97; and (4) Conclusions: The Portuguese version of the 15D questionnaire was proved to be equivalent to the English version and tobereliableforthePortuguesepopulation.Thisinstrumentiseasytoaccessandapply.
URI: https://doi.org/10.3390/healthcare11081099
http://hdl.handle.net/10174/38097
Type: article
Appears in Collections:DES - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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