Accurate Autism Screening at the 18-Month Well-Child Visit Requires Different Strategies than at 24 Months

Raymond Sturner, Barbara Howard, Paul Bergmann, Tanya Morrel, Rebecca Landa, Kejuana Walton, Danielle Marks

Research output: Research - peer-reviewArticle

Abstract

Accuracy of autism screening using M-CHAT plus the follow-up interview (M-CHAT/F) for children screened positive at 18-months was compared to screening at 24-months. Formal ASD testing was criterion for a community sample of M-CHAT positive children (n = 98), positive predictive value (PPV) was 0.40 for the M-CHAT and 0.58 for the M-CHAT/F. MCHAT/F PPV was 0.69 among children 20+ months compared to 0.36 for <20 months. Multivariate analyses incorporating data from the Ages and Stages Questionnaire, MacArthur-Bates Communicative Development Inventory, M-CHAT and M-CHAT/F results, and M-CHAT items suggest language variables carry greatest relative importance in contributing to an age-based algorithm with potential to improve PPV for toddlers <20 months to the same level as observed in older toddlers.

LanguageEnglish (US)
Pages1-15
Number of pages15
JournalJournal of Autism and Developmental Disorders
DOIs
StateAccepted/In press - Jul 31 2017

Fingerprint

Autistic Disorder
Interviews
Language
Multivariate Analysis
Equipment and Supplies
Surveys and Questionnaires

Keywords

  • Autism screening
  • Developmental screening
  • M-CHAT
  • Toddler development

ASJC Scopus subject areas

  • Developmental and Educational Psychology

Cite this

Accurate Autism Screening at the 18-Month Well-Child Visit Requires Different Strategies than at 24 Months. / Sturner, Raymond; Howard, Barbara; Bergmann, Paul; Morrel, Tanya; Landa, Rebecca; Walton, Kejuana; Marks, Danielle.

In: Journal of Autism and Developmental Disorders, 31.07.2017, p. 1-15.

Research output: Research - peer-reviewArticle

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