The reliability of the Dutch version of the vestibular activities avoidance instrument in persons with and without dizziness

Luc Vereeck*, Pamela M. Dunlap, Robby Vanspauwen, Erwin Hendriks, Susan L. Whitney

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

BACKGROUND: Avoidance of activities that trigger dizziness in persons with vestibular disorders may inhibit dynamic vestibular compensation mechanisms. OBJECTIVE: To determine the reliability of the Vestibular Activities Avoidance Instrument (VAAI) 81 and 9 item tool and to compare the VAAI scores in Dutch-speaking healthy adults and in patients with vestibular disorders. METHODS: A prospective cohort study was conducted including 151 healthy participants and 106 participants with dizziness. All participants completed the 81-item VAAI. Within 7 days, the VAAI was completed a second time by 102 healthy adults and 43 persons with dizziness. RESULTS: The average 81-item VAAI scores [54.8(47.1) vs. 228.1(78.3)] and 9-item VAAI scores [2.4(5.9) vs. 28.1(12)] were significantly different between healthy adults and participants with dizziness (p < 0.001). In participants with dizziness the ICC for the 81-item VAAI was 0.95 (95% CI: 0.91, 0.97) and for the 9-item VAAI was 0.92 (95% CI: 0.85, 0.95). Cronbach's alpha for the 81-item VAAI was 0.97 and 0.85 for the 9-item VAAI. The minimal detectable change was 47.8 for the 81-item VAAI and 8.9 for the 9-item VAAI. CONCLUSIONS: Persons with dizziness have a greater tendency to avoid movements. Both test-retest reliability and internal consistency of the Dutch version of the VAAI were excellent.

Original languageEnglish
Pages (from-to)423-431
Number of pages9
JournalJournal of Vestibular Research: Equilibrium and Orientation
Volume32
Issue number5
DOIs
Publication statusPublished - 20 Oct 2022

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