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

Main Article Content

Suchawadee Patanaponsukum
Supaporn Chinchai
Nuntigar Sonsuwan

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
Section
Research Articles

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