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Cross-Cultural Adaptation and Validation of the Voice Handicap Index in the Quebec French Population (VHI-QF).

Authors
  • Bourque, Jean-Michel1
  • Defoy, Lyne2
  • Batcho, Charles S3
  • Tremblay, Pascale4
  • Gagnon, Simon1
  • Martel-Sauvageau, Vincent5
  • 1 Department of Ophtalmology and Otolaryngology, Head and Neck Surgery, CHU de Québec, Université Laval, Quebec City, Quebec, Canada. , (Canada)
  • 2 Direction des Services Multidisciplinaires, Speech Language Pathology Department, CHU de Québec, Université Laval, Quebec City, Quebec, Canada. , (Canada)
  • 3 Department of Rehabilitation, Faculty of Medicine, Université Laval, Quebec City, Quebec, Canada; Centre interdisciplinaire de recherche en réadaptation et intégration sociale (CIRRIS), Quebec City, Quebec, Canada. , (Canada)
  • 4 Department of Rehabilitation, Faculty of Medicine, Université Laval, Quebec City, Quebec, Canada; Centre de recherche CERVO, Quebec City, Quebec, Canada. , (Canada)
  • 5 Department of Rehabilitation, Faculty of Medicine, Université Laval, Quebec City, Quebec, Canada; Centre interdisciplinaire de recherche en réadaptation et intégration sociale (CIRRIS), Quebec City, Quebec, Canada. Electronic address: [email protected] , (Canada)
Type
Published Article
Journal
Journal of voice : official journal of the Voice Foundation
Publication Date
Sep 01, 2020
Volume
34
Issue
5
Identifiers
DOI: 10.1016/j.jvoice.2019.04.010
PMID: 31122809
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The Voice Handicap Index (VHI) is a widely recognized, self-administered questionnaire, designed to evaluate patients' perception of voice-related disability. It takes into consideration the physical, functional and emotional impacts of dysphonia. The VHI has been translated and validated in many languages, including European French. The purpose of our study is to translate, adapt and validate a new version of the VHI in Quebec French. The original VHI was translated into Quebec French (QF) by forward and backward translations by four professional translators, including a speech-language pathologist. The content validity of the resulting VHI-QF was examined in focus groups with six patients and seven speech-language pathologists. Another sample of 154 patients with voice disorders and 150 healthy controls allowed evaluation of the new questionnaire's convergent and discriminant validity, and internal consistency. Satisfaction toward the questionnaire was also evaluated for all patients, as well Test-retest reliability and responsiveness for a sub-sample. The VHI-QF showed a moderate correlation with dysphonia severity level, indicating adequate convergent validity. Both total and subscale scores also exhibited adequate ability to discriminate between patients and controls (discriminant validity), high internal consistency, and good test-retest reliability. The analysis of pre- and post-treatment VHI-QF scores revealed adequate responsiveness to voice treatment. Patients were overall satisfied with the questionnaire. The VHI-QF is a valid, reliable and clinically useful self-reported tool to evaluate the severity and change of voice disorders in Quebec French population. Therefore this questionnaire can be used in clinical and research contexts. Copyright © 2019 The Voice Foundation. All rights reserved.

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