Examination of individual differences in outcomes from a randomized controlled clinical trial comparing formal and informal individual auditory training programs

Sherri L. Smith, Gabrielle Saunders, Theresa H. Chisolm, Melissa Frederick, Beth A. Bailey

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Purpose: The purpose of this study was to determine if patient characteristics or clinical variables could predict who benefits from individual auditory training. Method: A retrospective series of analyses were performed using a data set from a large, multisite, randomized controlled clinical trial that compared the treatment effects of at-home auditory training programs in bilateral hearing aid users. The treatment arms were (a) use of the 20-day computerized Listening and Communication Enhancement program, (b) use of the 10-day digital versatile disc Listening and Communication Enhancement program, (c) use of a placebo “books-on-tape” training, and (d) educational counseling (active control). Multiple linear regression models using data from 263 participants were conducted to determine if patient and clinical variables predicted short-term improvement on word-recognition-in-noise abilities, self-reported hearing handicap, and self-reported hearing problems. Results: Baseline performance significantly predicted performance on each variable, explaining 11%–17% of the variance in improvement. The treatment arm failed to emerge as a significant predictor with other clinical variables explaining less than 9% of the variance. Conclusion: These results suggest that hearing aid users who have poorer aided word-recognition-in-noise scores and greater residual activity limitations and participation restrictions will show the largest improvement in these areas.

Original languageEnglish (US)
Pages (from-to)876-886
Number of pages11
JournalJournal of Speech, Language, and Hearing Research
Volume59
Issue number4
DOIs
StatePublished - Aug 1 2016

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing

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