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Text Description for Lifetime Prevalence of Voice Problems or Disorders by Occupation (Teachers Versus Non-Teachers) and Age

Lifetime prevalence of voice problems or disorders by age: teachers
Age Number in sample Number with voice problems or disorders in their lifetime Percent (%) prevalence across the lifetime Standard error of the % lifetime prevalence Lower 95% confidence interval (CI) Upper 95% confidence interval (CI)
20–29 83 34 41.0 5.4 30.4 51.6
30–39 255 133 52.2 3.1 46.0 58.3
40–49 455 282 62.0 2.3 57.5 66.4
50–59 378 226 59.8 2.5 54.8 64.7
60–66 72 36 50.0 5.9 38.5 61.5
20–66 1,243 711 57.2 1.4 54.5 60.0
Lifetime prevalence of voice problems or disorders by age: non-teachers
Age Number in sample Number with voice problems or disorders in their lifetime Percent (%) prevalence across the lifetime Standard error of the % lifetime prevalence Lower 95% confidence interval (CI) Upper 95% confidence interval (CI)
20–29 189 45 23.8 3.1 17.7 29.9
30–39 302 94 31.0 2.7 25.8 36.2
40–49 404 125 30.9 2.3 26.4 35.4
50–59 256 80 31.3 2.9 25.6 36.9
60–66 137 33 24.0 3.7 16.8 31.2
20–66 1,288 377 29.3 1.3 26.7 31.7

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