期刊
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
卷 45, 期 6, 页码 1766-1773出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-014-2336-y
关键词
Autism spectrum disorders; Intellectual disability; Prevalence; Time trend; Stockholm; Sweden
In a record-linkage study in Stockholm, Sweden, the year 2011 prevalence of diagnosed autism spectrum disorders (ASD) was found to be 0.40, 1.74, 2.46, and 1.76 % among 0-5, 6-12, 13-17, and 18-27 year olds, respectively. The corresponding proportion of cases with a recorded diagnosis of intellectual disability was 17.4, 22.1, 26.1 and 29.4 %. Between 2001 and 2011, ASD prevalence increased almost 3.5 fold among children aged 2-17 years. The increase was mainly accounted for by an eightfold increase of ASD without intellectual disability (from 0.14 to 1.10 %), while the prevalence of ASD with intellectual disability increased only slightly (from 0.28 to 0.34 %). The increase in ASD prevalence is likely contributed to by extrinsic factors such as increased awareness and diagnostics.
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