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Understanding Self-reported Hearing Disability in Adults With Normal Hearing.

Aryn M Kamerer1, Sara E Harris, Judy G Kopun

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Summary
This summary is machine-generated.

Many people with normal audiometric thresholds report hearing disability. Impulse noise exposure, speech intelligibility, and FM detection accurately predict self-reported hearing disability in adults with clinically normal hearing.

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Area of Science:

  • Audiology
  • Hearing Science
  • Speech and Hearing Sciences

Background:

  • Many individuals with clinically normal hearing, defined by audiometric thresholds within normal limits, report experiencing hearing disability (HD) in daily life.
  • This discrepancy highlights a gap in understanding the factors contributing to perceived hearing difficulties beyond standard audiological assessments.

Purpose of the Study:

  • To investigate the predictive power of demographic and auditory variables for self-reported HD in individuals with audiologically normal hearing.
  • To identify specific measures that can explain and predict hearing disability despite normal audiometric thresholds.

Main Methods:

  • One hundred eleven adults (ages 19-74) with normal hearing underwent assessment.
  • Measures included the Speech, Spatial, and Qualities of Hearing Scale (SSQ12) for self-reported HD, patient history (age, sex, noise exposure, tinnitus), and various hearing tests (extended high-frequency audiometry, otoacoustic emissions, auditory brainstem response, cognitive assessment, FM detection).
  • Multivariate regression analysis was used to predict SSQ12 scores.

Main Results:

  • A history of impulse noise exposure, speech-intelligibility index, and FM detection threshold were significant predictors of SSQ12 scores, accounting for 40% of the variance.
  • These factors accurately predicted self-reported HD with 89% sensitivity and 86% specificity.

Conclusions:

  • Self-reported hearing disability in individuals with normal audiometric thresholds can be predicted by factors beyond standard hearing tests.
  • History of impulse noise exposure, speech intelligibility, and FM detection are key indicators of perceived hearing difficulties in this population.