Developing and Testing a Smartphone Application to Enhance Adherence to Voice Therapy: A Pilot Study

Vrushali Angadi (), Ming-Yuan Chih and Joseph Stemple
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Vrushali Angadi: Department of Communication Sciences and Disorders, University of Kentucky College of Health Sciences, Lexington, KY 40536, USA
Ming-Yuan Chih: Department of Health and Clinical Sciences, University of Kentucky College of Health Sciences, Lexington, KY 40536, USA
Joseph Stemple: Department of Communication Sciences and Disorders, University of Kentucky College of Health Sciences, Lexington, KY 40536, USA

IJERPH, 2023, vol. 20, issue 3, 1-11

Abstract: The present study aimed to develop a smartphone application (app) that addressed identified barriers to success in voice therapy; accessibility, and poor adherence to home practice. The study objectives were (1) to investigate if app use enhanced adherence to the home practice of voice therapy and (2) to test app usability. Maximizing the effectiveness of voice therapy is vital as voice disorders are detrimental to personal and professional quality of life. A single-blinded randomized clinical trial was completed for the first objective. Participants included normophonic individuals randomly assigned to the app group or the traditional group. The primary outcome measure was adherence measured as the number of missed home practice tasks. The second objective was completed through usability testing and a focus group discussion. The app group ( n = 12) missed approximately 50% less home practice tasks as compared to the traditional group ( n = 13) and these results were statistically significant ( p = 0.04). Dropout rates were comparable between the two groups. Usability results were positive for good usability with high perceived usefulness and perceived ease of use. App use resulted in improved adherence to home practice tasks. App usability results were positive, and participants provided specific areas of improvement which are achievable. Areas for improvement include app engagement and willingness to pay.

Keywords: voice therapy; voice disorders; adherence; mHealth; vocal function exercises (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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