Cross-cultural adaptation, reliability, and validity of the vestibular rehabilitation benefit questionnaire in the central Kurdish version

Bafrin Ghafoor  Majeed; Sherko Saeed Fatihullah  Zmnako; Hiwa Asaad  Abdulkareem

doi:10.56056/amj.2024.271

Authors

Bafrin Ghafoor Majeed Sulaimani Teaching Hospital, Ministry of Health, Sulaymaniyah, Kurdistan Region, Iraq.
Sherko Saeed Fatihullah Zmnako Assist. Prof. at University of Sulaimani, College of Medicine, Kurdistan Region, Iraq
Hiwa Asaad Abdulkareem Assist. Prof. at University of Sulaimani, College of Medicine, Kurdistan Region, Iraq

DOI:

https://doi.org/10.56056/amj.2024.271

Keywords:

Central Kurdish dialect, Cross-cultural adaptation, Vestibular disorder, Vestibular rehabilitation benefit questionnaire

Abstract

Background and objectives: The vestibular rehabilitation benefit questionnaire is a new patient-reported outcome measures with psychometric properties, to assess the efficacy of vestibular rehabilitation. The present study aims to cross-culturally adapt the questionnaire into the central Kurdish dialect and to examine its psychometric properties.

Methods: This is a cross-sectional study conducted in Sulaimani city- Kurdistan Region of Iraq from March to September 2022, on 127 patients diagnosed with vestibular disorders between 18 to 79 years old. The vestibular rehabilitation benefit questionnaire Kurdish version was created through a regulated process of cross-cultural adaptation. The Kurdish participants were responded to the questionnaire, vertigo symptom scale short form and dizziness handicap inventory to assess validity of the questionnaire. The reliability of the questionnaire was assessed by randomly selecting 40 participants to repeat the questionnaire responses over a 24-hour timeline.

Results: The results revealed that the ? for subscales of dizziness, anxiety, motion-provoked dizziness, quality of life and the scale of vestibular rehabilitation benefit questionnaire -total were 0.81, 0.82, 0.78, 0.77, and 0.92, respectively. The intra-class correlation coefficient was 0.96 for the questionnaire total scale; 0.97 and 0.93 for symptoms and quality of life subscales, respectively. Spearman rho correlation coefficient revealed a powerfully positive relationship between total the questionnaire and dizziness handicap inventory, and a strong positive relationship between total questionnaire and vertigo symptom scale short form.

Conclusion: The vestibular rehabilitation benefit questionnaire Kurdish version is a reliable and validated patient-reported outcome measures that can be utilized for the Kurdish-speaking population.

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