Stability of the autism diagnostic interview - Revised from pre-school to elementary school age in children with autism spectrum disorders

J. Moss, I. Magiati, T. Charman, P. Howlin

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

This study examined the stability of scores on the ADI-R from pre-school to elementary school age in children with autism spectrum disorders (ASD). Participants were 35 children who, at T1, all had a clinical diagnosis of ASD. On initial assessment (mean age 3.5 years; SD 0.6 years), all met ADI-R algorithm criteria for autism. ADI-R assessments were repeated at follow up (FU; mean age 10.5 years; SD 0.8 years). Changes in ADI-R total, domain and ADI-R algorithm item scores were assessed. Twenty-eight children continued to score above the ADI-R cut-off for autism at FU, although significant decreases in ADI-R domain and item scores were also found. In conclusion while classification of children according to ADI-R criteria generally remained stable between pre-school and elementary school age, many children demonstrated significant improvements in symptom severity.
Original languageEnglish
Pages (from-to)1081-1091
Number of pages11
JournalJournal of Autism and Developmental Disorders
Volume38
Issue number6
DOIs
Publication statusPublished - 2008
Externally publishedYes

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