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Validation of the Brazilian version of WHODAS 2.0 in patients on hemodialysis therapy
Abstract Introduction: Chronic kidney disease and hemodialysis normally have an impact on the functioning. Objective: To validate the Brazilian version of the World Health Organization Disability Assessment Schedule 2.0 in individuals with chronic kidney disease on hemodialysis treatment. Methods: T...
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Published in: | Fisioterapia em movimento 2018-07, Vol.31 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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Summary: | Abstract Introduction: Chronic kidney disease and hemodialysis normally have an impact on the functioning. Objective: To validate the Brazilian version of the World Health Organization Disability Assessment Schedule 2.0 in individuals with chronic kidney disease on hemodialysis treatment. Methods: The 36-item version was applied to interview 51 individuals with chronic kidney disease undergoing dialysis treatment. To ascertain the instrument’s applicability, its internal consistency and test-retest stability were studied. To check the validity, a convergent/divergent analysis was performed. Results: The participants answered the questions on the main instrument at two timepoints and on the World Health Organization Quality of Life Abbreviated instrument and the Kidney Disease Quality of Life - Short FormTM 1.3 once each. Cronbach’s α coefficient was appropriate in all domains except the “Getting along” domain. The test-retest coefficients were above the recommended value (> 0.70). Convergent and divergent validity analysis also showed consistent results by correlation coefficient assessment. Conclusion: The instrument is valid and reliable. This study supports the use of the questionnaire by presenting its appropriate psychometric properties. We suggest that some care should be taken specifically in the sexual questions of the “Getting along” domain.
Resumo Introdução: A doença renal crônica e a hemodiálise normalmente têm um impacto na funcionalidade. Objetivo: Validar a versão brasileira do World Health Organization Disability Assessment Schedule - WHODAS 2.0 em indivíduos com doença renal crônica em tratamento de hemodiálise. Métodos: A versão de 36 itens foi aplicada por entrevista em 51 indivíduos com doença renal crônica submetidos a tratamento de hemodiálise. Para verificar a aplicabilidade do instrumento, sua consistência interna e estabilidade teste-reteste foram estudadas. Para verificar a validade, a análise convergente/divergente foi realizada. Resultados: Os participantes responderam às perguntas do instrumento principal em dois momentos distintos no tempo, e do instrumento abreviado sobre Qualidade de Vida da Organização Mundial de Saúde e do questionário Qualidade de Vida com Doença Renal - Short FormTM 1.3 uma vez cada u m. O coeficiente α de Cronbach foi apropriado em todos os domínios, exceto o domínio “Relações Interpessoais”. Os coeficientes teste-reteste estavam acima do valor recomendado (> 0,70). A análise de validade convergente e d |
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ISSN: | 1980-5918 1980-5918 |
DOI: | 10.1590/1980-5918.031.ao30 |