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Moderate alcohol consumption and hearing loss: a protective effect.

M M Popelka1, K J Cruickshanks, T L Wiley

  • 1Department of Ophthalmology and Visual Sciences, University of Wisconsin, Madison 53705-2397, USA.

Journal of the American Geriatrics Society
|October 19, 2000
PubMed
Summary

Moderate alcohol consumption may protect against hearing loss in older adults. This study found a link between moderate drinking and reduced odds of hearing impairment, suggesting hearing loss isn't always part of aging.

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Area of Science:

  • Epidemiology
  • Audiology
  • Gerontology

Background:

  • Hearing loss is a common condition in older adults, often considered an inevitable part of aging.
  • The potential influence of lifestyle factors, such as alcohol consumption, on age-related hearing decline requires further investigation.

Purpose of the Study:

  • To investigate the association between moderate alcohol consumption and the prevalence of hearing loss in a large population-based cohort of older adults.
  • To determine if alcohol consumption is inversely related to various types of hearing impairment, including low and high frequency hearing loss.

Main Methods:

  • A cross-sectional population-based cohort study utilizing data from the Epidemiology of Hearing Loss Study (EHLS) and the Beaver Dam Eye Study (BDES).
  • Participants (n=3571 for EHLS, n=3722 for BDES) aged 43-84 underwent pure tone audiometry to measure hearing thresholds.

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  • Alcohol consumption, medical history, and lifestyle factors were assessed via a structured interview questionnaire.

    • Main Results:

    • Moderate alcohol consumption (defined as >140 grams/week) was inversely associated with overall hearing loss (PTA > 25 dB HL; OR=0.71) and moderate hearing loss (PTA > 40 dB HL; OR=0.49).
    • Alcohol consumption showed an inverse association with both low frequency (OR=0.61) and high frequency hearing loss (OR=0.60).
    • Heavy drinking (≥4 drinks/day) was associated with an increased odds of high frequency hearing loss (OR=1.35), while cardiovascular factors did not significantly alter the protective effect of moderate alcohol consumption.

    Conclusions:

    • The study provides evidence for a modest protective association between moderate alcohol consumption and hearing loss in older adults.
    • These findings suggest that hearing loss may not be an unavoidable consequence of aging and could be influenced by modifiable lifestyle factors.
    • Further research is warranted to confirm these associations and elucidate the underlying mechanisms.