Hearing impairment

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Scope

What is the prevalence of hearing impairment in the general population?

Definition

Rate (age, sex ratio) Context (population size studied, location, date data taken, end-point measured) Definition of end-point Reference
Denmark (2000, 1st graders): 30% problems hearing below 30dB
Finland (1998 ages 2-75): 11.5% mild hearing impairment, 2.8% moderate, 0.4% severe to profound
France (2001): 4% 15-19 yrs, 2% 20-24 yrs, 5% 25-34, 7% 35-44, 5% 45-59, 7% 60-69, 17% 70+
Sweden (2008, 16-84): 14.1% of pop
Germany (2001): 1% of 14 - 19 year-olds are hard of hearing. 54% in the 70+ age group have problems hearing. Approx. 56 % of the hard of hearing show slight symptoms of hearing impairment, 7.2 % are seriously hard of hearing while some 1.6 % are almost deaf.
Italy (2007): 12% are hearing impaired
Spain (2005): 46 - 55 years, 50 % reported some hearing loss. 18 - 36 years, 32 % were affected. A survey among 1,000 respondents, including 100 hearing aid users, aged 18 - 65yrs, found that 40 % of the population of Valencia experience a deterioration of their hearing. The average for all of Spain is estimated at 35%. One schoolchild in 10 has been diagnosed with hearing loss. Of those, 60% were found to have hearing damage in one ear, while 40% were affected in both ears.
UK (2002): 19% of men and 13% of women above 16yrs reported that they suffered from hearing loss.
Prevalence of hearing impairments from different countries [1]
2.6 per 1000 schoolchildren
Hereditary factors were present in 46% and no etiology could be established in 34% of the cases.
n=63 463, Västerbotten (Sweden), all children born 1964-1983, hearing impairment Greater than or equal to 30 dB HL mean hearing loss for the frequencies 0.5, 1.0 and 2.0 kHz in the better-hearing ear. [2]
20-80yrs
7.7% est to benefit from hearing aid
Prevalence of hearing-aid users, 2.4%
Reported tinnitus, 13.2%
M4 BE≥25 dB HL, 16.9%
M4 BE≥35 dB HL, 7.7%
M4 BE≥45 dB HL, 3.3%
M4 BE≥65 dB HL, 0.2%
n=590, Östergötland (Sweden), frequencies 0.5, 1, 2 and 4 kHz (M4) equal to or exceeding 25-65 dB HL for the better ear (BE) [3]
All ages
Austria (2007) 0.0791
Croatia (2006) 0.0795
Czech Republic (2007) 0.3993
Denmark (2006) 0.0403
Finland (2007) 0.0611
Iceland (2006) 0.0099
Latvia (2008) 0.2109
Lithuania (2008) 0.0219
Luxembourg (2007) 0.1146
Norway (2007) 0.0481
Poland (2007) 0.3056
Slovakia (2007) 0.5255
Slovenia (2007) 0.0669
Switzerland (2007) 0.0446
UK (2007) 0.0207
Countries using ICD-10 classification system, in-patients per 1000 for diagnosis H90 ICD-10 H90 = conductive or sensorineural hearing loss [4]

Result

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See also

Related files

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References

  1. http://www.hear-it.org/page.dsp?page=762
  2. Incidence, prevalence and etiology of hearing impairment in children in the county of Vasterbotten, Sweden; Scand Audiol 1990 v.19(4):193-200
  3. Prevalence of hearing impairment in a population in Sweden; International Journal of Audiology 2003 v.42(1):18-28
  4. WHO European Hospital Morbidity Database