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Adult Normative Data for the OMNI-Vocal Effort Scale (VES)
Mariah E Morton-Jones1,2, Lauren Timmons Sund3, M Eugenia Castro3,4
1UAB Voice Center, Department of Otolaryngology-Head and Neck Surgery, University of Alabama, Birmingham, Alabama, U.S.A.
The Laryngoscope
|April 30, 2024
Summary
Healthy adults perceive conversational voice production as easy. This study establishes initial normative data for the OMNI-Vocal Effort Scale (VES) in this population.
Area of Science:
- Speech and Hearing Sciences
- Voice Disorders Research
- Clinical Acoustics
Background:
- Establishing normative data for perceptual voice measures is crucial for clinical application.
- The OMNI-Vocal Effort Scale (VES) quantifies perceived vocal effort during speech production.
- Understanding baseline vocal effort in healthy individuals informs the assessment of voice disorders.
Purpose of the Study:
- To establish normative values for the OMNI-Vocal Effort Scale (VES) in healthy adults.
- To investigate potential differences in perceived vocal effort based on age and sex.
- To provide a baseline for using the OMNI-VES in voice disorder populations.
Main Methods:
- Prospective study involving 251 healthy adults aged 18 years and older.
- Administration of the nine-item OMNI-VES survey by specialized speech-language pathologists.
- Inclusion of auditory perceptual voice evaluation and demographic/health history data.
Main Results:
- 92.4% of participants reported perceived vocal effort in the "extremely easy" to "easy" range (0-3) during conversational speech.
- Preliminary normative data for vocal effort in healthy adults were collected.
- Multivariant analysis was performed on collected data.
Conclusions:
- The OMNI-VES shows potential as a tool for assessing changes in perceived vocal effort related to voice disorder treatment.
- Further normative data are required across diverse populations, including different sexes and older adults.
- Future research should explore the scale's utility with various dysphonic populations and analyze numeric value differences.
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