Validity of the Brazilian version of WHOQOL-BREF in depressed patients using Rasch modelling

Revista de Saúde Pública

Neusa Sica Da Rocha¹  Marcelo Pio De Almeida Fleck¹ 

[1] ,Universidade Federal do Rio Grande do Sul Hospital de Clínicas Porto Alegre RS ,Brazil

关键词: Depression;    Quality of Life;    Questionnaires;    World Health Organization;    Translations;    Validation Studies;    Depressão;    Qualidade de Vida;    Questionários;    Organização Mundial da Saúde;    Tradução (Produto);    Estudos de Validação;    Depresión;    Calidad de Vida;    Cuestionario;    Organización Mundial de la Salud;    Traducción (Producto);    Estudios de Validación;   

DOI  :  10.1590/S0034-89102009000100019

来源: SciELO

【 摘 要 】

OBJECTIVE: To assess the validity of the Brazilian version of the World Health Organization Quality of Life Instrument - Abbreviated version (WHOQOL-BREF) in adults with major depression, using Rasch modelling. METHODS: Study analyzing data from the baseline sample of the Longitudinal Investigation of Depression Outcomes in Brazil, including a total of 208 patients with major depression recruited in a primary care service in Porto Alegre (Southern Brazil), in 1999. The Center for Epidemiological Studies Depression Scale was used to assess intensity of depression; the WHOQOL-BREF to assess generic quality of life; and the Composite International Diagnostic Interview version 2.1 for the diagnosis of depression. RESULTS: In the Rasch analysis, the four domains of WHOQOL-BREF showed appropriate fit to this model. Some items needed adjustments: four items were rescored (pain, finances, services, and transport); two items (work and activity) were identified as having dependency of responses, and one item was deleted (sleep) due to multidimensionality. CONCLUSIONS: The validation of the WHOQOL-BREF Brazilian version using Rasch analysis complements previous validation studies, evidencing the robustness of this instrument as a generic cross-cultural quality of life measure.

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