Int J Epidemiol. 2009 Oct; 38(5): 1224–1234.
Published online 2009 Sep 7. doi: 10.1093/ije/dyp261
PMCID: PMC2800781
PMID: 19737791
Diagnostic change and the increased prevalence of autism
Marissa King and Peter Bearman*
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Institute for Social and Economic Research and Policy, Columbia University, New York, NY, USA.
* Corresponding author. Institute for Social and Economic Research and Policy, Columbia University, 420 W. 118th Street, IAB Building, 814, New York, NY 10027, USA. E-mail: ude.aibmuloc@71bsp
Accepted 2008 Sep 4.
Copyright Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2009; all rights reserved.
Abstract
Background Increased autism prevalence rates have generated considerable concern. However, the contribution of changes in diagnostic practices to increased prevalence rates has not been thoroughly examined. Debates over the role of diagnostic substitution also continue. California has been an important test case in these controversies. The objective of [...]