Validity and reliability of the pediatric voice handicap index: Thai version

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Published: Apr 2, 2019
Keywords:
Pediatric voice handicap index dysphonia Thai-pVHI

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Suchawadee Patanaponsukum
Department of Occupational Therapy, Chiang Mai University, Chiang Mai Province, Thailand
Supaporn Chinchai
Department of Occupational Therapy, Chiang Mai University, Chiang Mai Province, Thailand
Nuntigar Sonsuwan
Department of Otolaryngology, Chiang Mai University, Chiang Mai Province, Thailand

Abstract

Background: Pediatric Voice Handicap Index (pVHI) is one of the most widely used self-assessment tools for pediatric voice disorders which is completed by the children’s parents. pVHI has been translated into several languages, but not in Thai.


Objectives: This study was conducted in order to translate pVHI into Thai and to assess the validity and reliability of the Thai version of pVHI.


Materials and methods: The original pVHI has been translated into Thai using the World Health Organization’s (WHO) backward standard translation approach. Thai-pVHI was administered to 30 parents whose children had voice disorders. Two qualified speech-language pathologists and two translation experts verified the content validity. Internal consistency was determined using Cronbach’s alpha coefficient, and the test-retest reliability of Thai-pVHI was calculated using intraclass correlation coefficient.


Results: The result showed that Thai-pVHI had excellent internal consistency on both total subscales (α=0.855) and functional subscale (α=0.851), strong internal consistency on the physical subscale (α =0.747) and the emotional subscale (α=0.716). Moreover, Thai-pVHI also had excellent test-retest reliability on its subscales: total (ICC=0.917), functional (ICC=0.973), physical (ICC=0.896), and emotional (ICC=0.914).


Conclusion: Thai-pVHI met the acceptance criteria for psychometric evidence relative to internal consistency and test-retest reliability. This suggests that this instrument might be used as a Thai parental proxy for measuring the severity of children’s voice disorders, impact on a child’s quality of daily life, and efficacy of treatments in pre- and post-interventions.

Article Details

How to Cite
Patanaponsukum, S., Chinchai, S., & Sonsuwan, N. (2019). Validity and reliability of the pediatric voice handicap index: Thai version. Journal of Associated Medical Sciences, 52(2), 120–124. Retrieved from https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/165081
Issue
Vol. 52 No. 2 (2019): May-August
Section
Research Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Personal views expressed by the contributors in their articles are not necessarily those of the Journal of Associated Medical Sciences, Faculty of Associated Medical Sciences, Chiang Mai University.

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