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Autism
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Screening for autism spectrum disorders in primary care settings

Diana L. Robins

Georgia State University, USA, drobins{at}gsu.edu

The need for autism-specific screening during pediatric well-child visits has been established. However, additional support for specific screening instruments is needed. The current study used the Modified Checklist for Autism in Toddlers (M—CHAT) and the M—CHAT Follow-Up Interview to screen 4797 children during toddler checkups. Of the 4797 cases, 466 screened positive on the M—CHAT; of the 362 who completed the follow-up interview, 61 continued to show risk for autism spectrum disorders (ASDs). A total of 41 children have been evaluated; 21 children have been diagnosed with ASD, 17 were classified with non-ASD delays, and three were typically developing. The PPV of M—CHAT plus interview was .57. It is notable that only four of the 21 cases of ASD were flagged by their pediatrician. These findings suggest that the M—CHAT is effective in identifying ASD in primary care settings. Future research will follow this sample longitudinally.

Key Words: autism • M—CHAT • screening • toddlers

Autism, Vol. 12, No. 5, 537-556 (2008)
DOI: 10.1177/1362361308094502
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