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

Last Updated Date:

June 7, 2010