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Title: | Psychometric properties of the EUROHIS-QOL 8-item index (WHOQOL-8) in a Brazilian sample | Authors: | Pires, A.C. Fleck, M.P. Power, M. Da Rocha, N.S. |
Keywords: | EUROHIS-QOL 8-item index Psychometric properties Quality of life Short form WHOQOL-8 |
Issue Date: | 2018 | Publisher: | Associacao Brasileira de Psiquiatria | Citation: | Pires, A.C., Fleck, M.P., Power, M., Da Rocha, N.S. (2018). Psychometric properties of the EUROHIS-QOL 8-item index (WHOQOL-8) in a Brazilian sample. Revista Brasileira de Psiquiatria 40 (3) : 249-255. ScholarBank@NUS Repository. https://doi.org/10.1590/1516-4446-2017-2297 | Rights: | Attribution-NonCommercial 4.0 International | Abstract: | Objective: To test the psychometric properties of the EUROHIS-QOL 8-item index in a Brazilian sample. Methods: The sample consisted of 151 patients and 174 healthy controls (n=325). Several psychometric properties were tested. Results: Reliability showed good internal consistency (Cronbach’s alpha = 0.81). The measure showed good discriminant validity between patients and healthy controls (mean1 = 3.32, SD1 = 0.70; mean2 = 3.77, SD2 = 0.63, t = 6.12, p < 0.001). Convergent validity showed significant correlations (p < 0.001) between the EUROHIS-QOL 8-item index and all domains of the WHOQOL-Bref (overall r = 0.47; general health r = 0.54; physical r = 0.69; psychological r = 0.62; social relationship r = 0.55; environment r = 0.55) and between the EUROHIS-QOL 8-item index and the domains of the SF-36, except for the social domain (p = 0.38). On Rasch analysis of unidimensionality, general fit measures showed adequate performance. The EUROHIS-QOL 8-item index also showed good fit on confirmatory factor analysis (CFA) (chi-square = 18.46, degrees of freedom [df] = 15; comparative fit index [CFI] = 0.99; root mean square error of approximation [RMSEA] = 0.03; goodness of fit index [gfi] = 0.99; root mean square residual [RMR] = 0.03; p = 24). Conclusion: The EUROHIS-QOL 8-item index showed good psychometric properties. It is a reliable quality of life measure that can be used in Brazilian populations. © 2018, Associacao Brasileira de Psiquiatria. All rights reserved. | Source Title: | Revista Brasileira de Psiquiatria | URI: | https://scholarbank.nus.edu.sg/handle/10635/211938 | ISSN: | 1516-4446 | DOI: | 10.1590/1516-4446-2017-2297 | Rights: | Attribution-NonCommercial 4.0 International |
Appears in Collections: | Elements Staff Publications |
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