American Journal of Audiology Vol.20 90-99 December 2011. doi:10.1044/1059-0889(2011/10-0003)
© American Speech-Language-Hearing Association
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Is Measured Hearing Aid Benefit Affected by Seeing Baseline Outcome Questionnaire Responses?

ShienPei Silvermana, Megan Catesb and Gabrielle Saundersa

a National Center for Rehabilitative Auditory Research, Portland VA Medical Center, Portland, OR
b University of Arkansas for Medical Sciences/University of Arkansas at Little Rock

Correspondence to Gabrielle Saunders: gabrielle.saunders{at}va.gov

Purpose: To determine whether hearing aid outcome measured by the Hearing Handicap Inventory (HHI) for the Elderly/Adults (Newman, Weinstein, Jacobson, & Hug, 1990; Ventry & Weinstein, 1982) is differentially affected by informed vs. blind administration of the postfitting questionnaire.

Method: Participants completed the HHI at their hearing aid evaluation and again at their hearing aid follow-up visit. At follow-up, half received a clean HHI form (blind administration), whereas the remainder responded on their original form (informed administration) and could thus base their follow-up responses on those they gave at the hearing aid evaluation.

Results: The data show that for the population examined here, informed administration of the follow-up HHI did not yield a different outcome to blind administration of the follow-up HHI. This was not influenced by past hearing aid use, age of the participant, or the duration of time between baseline questionnaire completion and follow-up completion.

Conclusion: These data suggest that completion of follow-up questionnaires in either informed or blind format will have little impact on HHI responses, most likely because of the many other factors that combined to influence hearing aid outcome.

Key Words: outcomes, hearing aids, audiologic rehabilitation


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