Reliability and Stability of Various Hearing-Aid Outcome Measures in a Group of Elderly Hearing-Aid Wearers Twenty elderly persons with hearing impairment were fit with binaural in-the-ear hearing aids and followed for a 6-month period post-fit. Several hearing-aid outcome measures were obtained at 0, 7, 15, 30, 60, 90, and 180 days post-fit. Outcome measures included (a) objective measures of benefit obtained with nonsense-syllable materials in ... Research Article
Research Article  |   October 01, 1996
Reliability and Stability of Various Hearing-Aid Outcome Measures in a Group of Elderly Hearing-Aid Wearers
 
Author Affiliations & Notes
  • Larry E. Humes
    Department of Speech and Hearing Sciences Indiana University Bloomington
  • Dan Halling
    Department of Speech and Hearing Sciences Indiana University Bloomington
  • Maureen Coughlin
    Department of Speech and Hearing Sciences Indiana University Bloomington
  • Contact author: Larry E. Humes, PhD, Department of Speech and Hearing Sciences, Indiana University, Bloomington, IN 47405
    Contact author: Larry E. Humes, PhD, Department of Speech and Hearing Sciences, Indiana University, Bloomington, IN 47405×
Article Information
Hearing Disorders / Hearing Aids, Cochlear Implants & Assistive Technology / Special Populations / Older Adults & Aging / Hearing / Research Articles
Research Article   |   October 01, 1996
Reliability and Stability of Various Hearing-Aid Outcome Measures in a Group of Elderly Hearing-Aid Wearers
Journal of Speech, Language, and Hearing Research, October 1996, Vol. 39, 923-935. doi:10.1044/jshr.3905.923
History: Received January 2, 1996 , Accepted April 29, 1996
 
Journal of Speech, Language, and Hearing Research, October 1996, Vol. 39, 923-935. doi:10.1044/jshr.3905.923
History: Received January 2, 1996; Accepted April 29, 1996

Twenty elderly persons with hearing impairment were fit with binaural in-the-ear hearing aids and followed for a 6-month period post-fit. Several hearing-aid outcome measures were obtained at 0, 7, 15, 30, 60, 90, and 180 days post-fit. Outcome measures included (a) objective measures of benefit obtained with nonsense-syllable materials in quiet (CUNY Nonsense Syllable Test, NST) and sentences in multitalker babble (Hearing in Noise Test, HINT); (b) two subjective measures of benefit, one derived from pre-fit/post-fit comparisons on a general scale of hearing handicap (Hearing Handicap Inventory for the Elderly, HHIE) and the other based on a subjective scale of post-fit hearing-aid benefit (Hearing Aid Performance Inventory, HAPI); (c) a questionnaire on hearing-aid satisfaction; (d) an objective measure of hearing-aid use; and (e) a subjective measure of hearing-aid use. Reliability and stability of each measure were examined through repeated-measures analyses of variance, a series of test-retest correlations, and, where possible, scatterplots of the scores against their corresponding 95% critical differences. Many of the measures were found to be both reliable and stable indicators of hearing-aid outcome.

Acknowledgments
This research was supported, in part, by a grant to the first author from the National Institute on Aging. We also thank 3M Corporation for defraying half the cost of the hearing aids provided to the subjects. Finally, this project could not have been completed without the assistance of several research assistants (Kathy Schmitt, Wendy Lugar, Leah Lorenzano, Dana Wilson, and Sean Kinden) and the enthusiastic cooperation of the 20 subjects in this study. Thanks also to the reviewers for suggestions that resulted in substantial improvements in the manuscript.
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