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Unperceived hearing loss among Canadians aged 40 to 79
Pamela L Ramage-Morin1, Rex Banks2, Dany Pineault2
1Health Analysis Division, Statistics Canada, Ottawa, Ontario.
Health Reports
|August 28, 2019
Summary
Many older adults have undiagnosed hearing loss, with 77% of those with measured high-frequency hearing loss not realizing they have it. This unperceived hearing loss impacts quality of life, highlighting the need for regular screenings.
Area of Science:
- Audiology
- Public Health
- Gerontology
Background:
- Hearing loss is common in older adults.
- Many individuals with objectively measured hearing loss do not self-report a hearing impairment.
- This discrepancy suggests a significant portion of hearing loss may go unnoticed.
Purpose of the Study:
- To determine the prevalence of unperceived hearing loss in Canadian adults aged 40-79.
- To identify factors associated with unperceived hearing loss.
Main Methods:
- Utilized data from the 2012-2015 Canadian Health Measures Survey.
- Included 3,964 respondents aged 40-79 with audiometric data for both ears.
- Defined unperceived hearing loss as audiometrically measured impairment without self-report, hearing aid use, or prior diagnosis.
Main Results:
- An estimated 77% (6.3 million) of older adults with measured high-frequency hearing loss had unperceived impairment.
- Individuals with no history of noisy work environments were more likely to have unperceived hearing loss.
- Those who experienced tinnitus were less likely to have unperceived hearing loss.
Conclusions:
- Unperceived hearing loss is common, particularly in mild or unilateral cases.
- Factors like lack of expectation and occupational noise exposure influence perception.
- Regular hearing screenings are recommended for early detection and intervention to improve quality of life.
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