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Gepubliceerd in: Quality of Life Research 1/2021

20-08-2020

Validation of the WHOQOL-Bref instrument in Brazilian sign language (Libras)

Auteurs: Soraya B. R. Duarte, Neuma Chaveiro, Adriana R. de Freitas, Maria Alves Barbosa, Suzi Camey, Marcelo P. Fleck, Celmo C. Porto, Cássio L. Rodrigues, Dolors Rodríguez-Martín

Gepubliceerd in: Quality of Life Research | Uitgave 1/2021

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Abstract

Purpose

The recognition of the Brazilian Sign Language (Libras) as the official language of the Brazilian deaf, in 2002, reaffirms the linguistic and cultural particularities of the deaf population. Therefore, there is a lack of a validated instrument for assessing the Quality of Life of deaf people using Libras. With authorization from the World Health Organization (WHO), a version of the WHOQOL-Bref in Libras was developed, called WHOQOL-Bref/Libras. However, its psychometric properties have not been examined as yet. Therefore, the purpose of this work is to perform the psychometric validation of the WHOQOL-Bref/Libras.

Methods

WHOQOL-Bref/Libras and a sociodemographic questionnaire were applied to 311 deaf people from the five Brazilian regions. To assess temporal stability, the questionnaire was readministered to 52 deaf people, over an interval of 2 weeks.

Results

WHOQOL-Bref/Libras demonstrated satisfactory psychometric values for reliability, discriminant and construct validity, temporal stability, and internal consistency. Cronbach’s alpha coefficient showed satisfactory values for each of the WHOQOL-Bref domains: Physical health (0.641), Psychological (0.705), Environment (0.710), and Overall-Bref domains (0.873). The WHOQOL-Bref/Libras is the appropriate option to assess the quality of life of deaf people who communicate through Libras.

Conclusion

WHOQOL-Bref/Libras had a satisfactory psychometric performance; therefore, it is a valid option that will provide autonomous participation for the deaf in quality of life investigations.

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Metagegevens
Titel
Validation of the WHOQOL-Bref instrument in Brazilian sign language (Libras)
Auteurs
Soraya B. R. Duarte
Neuma Chaveiro
Adriana R. de Freitas
Maria Alves Barbosa
Suzi Camey
Marcelo P. Fleck
Celmo C. Porto
Cássio L. Rodrigues
Dolors Rodríguez-Martín
Publicatiedatum
20-08-2020
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 1/2021
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-020-02611-5