Text table 2
Population-based studies: Prevalence of hearing loss above 25 dB (averaged over 0.5, 1, 2, 4 kHz), by age group, Canada, United States, Great Britain and Austrialia, selected years

Text table 2
Population-based studies: Prevalence of hearing loss above 25 dB (averaged over 0.5, 1, 2, 4kHz), by age group, Canada, United States, Great Britain and Austrialia, selected years
Table summary
This table displays the results of Population-based studies: Prevalence of hearing loss above 25 dB (averaged over 0.5. The information is grouped by Country and data source  (appearing as row headers), Years, Sample size, Age group , Ear and Prevalence (%) (appearing as column headers).
Country and data source  Years Sample size Age group Ear Prevalence (%)
United States (Agrawal  et al., 2008)Note 30 1999 to 2004 5,742 20 to 69 worse
bilateral
unilateral
HFPTANote †		 16.1
7.8
7.9
31.0
Canada (Canadian Health Measures Survey) 2012/2013 2,651 20 to 69 worse
HFPTANote ‡		 15.8
31.0
Australia (Wilson et al., 1999)Note 32 1997 9,027 16 or older worse
better		 22.2
16.6
Great Britain (Davis et al., 1989)Note 31 1980 to 1986 (3 phases) 2,708 17 to 80 worse
better		 26.1
16.1
Canada (Canadian Health Measures Survey) 2012/2013 2,972 20 to 79 worse
bilateral
unilateral
HFPTANote ‡		 19.2
10.2
8.9
35.4
United States (Lin et al., 2011)Note 10 2005/2006 717 70 or older better
bilateral
unilateral		 63.1
90.9
4.4
Canada (Canadian Health Measures Survey) 2012/2013 321 70 to 79 worse
bilateral
unilateral		 65.0
49.5
15.5
Note †

high-frequency pure tone average over 3, 4 and 6 kHz

Return to note † referrer

Note ‡

high-frequency pure tone average over 3, 4, 6 and 8 kHz

Return to note ‡ referrer

Sources: 2012/2013 Canadian Health Measures Survey; 1999 to 2004 National Health and Nutrition Examination Survey; 2005/2006 National Health and Nutrition Examination Survey; References 31 and 32.
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