Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1989 Feb;146(2):194-9.
doi: 10.1176/ajp.146.2.194.

The UCLA-University of Utah epidemiologic survey of autism: prevalence

E R Ritvo  1 , B J Freeman, C Pingree, A Mason-Brothers, L Jorde, W R Jenson, W M McMahon, P B Petersen, A Mo, A Ritvo
Affiliations

The UCLA-University of Utah epidemiologic survey of autism: prevalence

E R Ritvo et al. Am J Psychiatry. 1989 Feb.

Abstract

The authors conducted an epidemiologic survey in Utah using a four-level ascertainment system, blind current diagnostic assessments, and DSM-III criteria. Of 483 individuals ascertained, 241 were diagnosed as having autism. The best estimate for the prevalence rate was 4 per 10,000 population. Autism was not associated with parental education, occupation, racial origin, or religion. Sixty-six percent of the autistic subjects scored below 70 on standardized IQ tests, and females scored proportionately lower than males. Twenty (9.7%) of 207 families had more than one autistic sibling, which supports the authors' previous finding that there may be a familial subtype of autism.

PubMed Disclaimer

Similar articles

See all similar articles

Cited by

See all "Cited by" articles

Publication types

LinkOut - more resources