Trends in Autism Prevalence: Diagnostic Substitution Revisited

被引：0

作者：

Helen Coo

Hélène Ouellette-Kuntz

Jennifer E. V. Lloyd

Liza Kasmara

Jeanette J. A. Holden

M. E. Suzanne Lewis

机构：

[1] Queen’s University,Department of Community Health and Epidemiology

[2] c/o Ongwanada Resource Centre,Department of Psychiatry

[3] Queen’s University,Edudata Canada, Faculty of Education

[4] Ongwanada,Department of Medical Genetics

[5] University of British Columbia,Department of Human Development, Teachers College

[6] Human Early Learning Partnership (HELP),Department of Physiology

[7] University of British Columbia,Department of Medical Genetics, BC Children’s and Women’s Health Center

[8] Columbia University,undefined

[9] Queen’s University,undefined

[10] Ongwanada,undefined

[11] Child & Family Research Institute,undefined

来源：

Journal of Autism and Developmental Disorders | 2008年 / 38卷

关键词：

Autism; Autistic disorder; Diagnostic substitution; Prevalence; Edudata Canada; British Columbia Ministry of Education;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

There has been little evidence to support the hypothesis that diagnostic substitution may contribute to increases in the administrative prevalence of autism. We examined trends in assignment of special education codes to British Columbia (BC) school children who had an autism code in at least 1 year between 1996 and 2004, inclusive. The proportion of children with an autism code increased from 12.3/10,000 in 1996 to 43.1/10,000 in 2004; 51.9% of this increase was attributable to children switching from another special education classification to autism (16.0/10,000). Taking into account the reverse situation (children with an autism code switching to another special education category (5.9/10.000)), diagnostic substitution accounted for at least one-third of the increase in autism prevalence over the study period.

引用

页码：1036 / 1046

页数：10

共 60 条

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