Article Text

Download PDFPDF
2.64% of South Korean children aged 7 to 12 have autism spectrum disorders

Statistics from



What are the prevalence and clinical characteristics of autism spectrum disorders (ASDs) in school-age children in South Korea?


23 337 elementary school-age children born between 1993 and 1999 (age range 7–12 years). Of the participants, 23 234 children were enrolled in regular schools, and 103 were in the Disability Registry or went to special education schools. This represented 42.2% of the 55 266 children in this age group in the Ilsan district in South Korea. Children in the Disability Registry, in special education schools or in regular schools who had a history of psychiatric/psychological service use were considered the high-probability group; the remainder of the children in regular schools were considered the low-probability group.


Ilsan elementary schools and the Ilsan Disability Registry, Goyang City, South Korea; from 2005 to 2009.


Case identification consisted of screening, sampling and diagnostic assessment. All children in the Disability Registry or in special education schools went straight to diagnostic assessment. Screening for children in regular schools used multi-informant completed Autism Spectrum Screening Questionnaires (ASSQ). Children were considered screen-positive if they had …

View Full Text


  • Sources of funding Autism Speaks, the Children's Brain Research Foundation, National Institute for Mental Health.


  • Competing interests None.

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.