Prevalence and Incidence of Stuttering
Prevalance of Stuttering:
about 1% of adults ... see also overview of Stuttering.
Prevalance Rate:
approx 1 in 100 or 1.00% or 2.7 million people in USA [Source statistic for calcuation: "about 1% of adults" -- see also general information about data sources]
Stuttering Prevalence: Book Excerpts
More Statistics about Stuttering:
Hospitalization statistics
All statistics for Stuttering
Prevalence/Incidence of Stuttering: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Stuttering.
Stuttering:
Stuttering - epidemiology
(The 5-Minute Pediatric Consult)
- At least 1% of all studied populations affected
- Males stutter 3 times as often as females.
- Stuttering is found in every culture and language. The language spoken in the home does not increase or decrease the amount of stuttering.
- Stuttering begins between 2 and 7 years of age with 98% of cases presenting by age 10.
- Girls start stuttering several months earlier on average than boys; but they also speak, in general, earlier than boys do.
» READ BOOK EXCERPT ONLINE »
Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Stuttering usually refers to the estimated population
of people who are managing Stuttering at any given time.
The term 'incidence' of Stuttering refers to the annual diagnosis rate,
or the number of new cases of Stuttering diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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