The structure of autism spectrum disorder symptoms in the general population at 18 months
SourceJournal of Autism and Developmental Disorders, 43, 1, (2013), pp. 45-56
Article / Letter to editor
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PI Group Memory and Emotion
Epidemiology, Biostatistics & HTA
F.C. Donders Centre for Cognitive Neuroimaging
Journal of Autism and Developmental Disorders
SubjectDCN PAC - Perception action and control NCEBP 9 - Mental health; NCEBP 2: Evaluation of complex medical interventions
It is unclear whether symptoms of autism spectrum disorder (ASD) in young children in the population fit the three-factor structure of ASD as described in the DSM-IV, and cluster together in individual subjects. This study analysed questionnaire data on ASD symptoms filled in by mothers of 11,332 18-month-old children that was collected in the context of the Norwegian Mother and Child Cohort Study conducted by the Norwegian Institute of Public Health. Confirmatory Factor Analyses showed that the three-factor model had a significantly better fit then the two- and one-factor model of ASD symptoms. Latent class analysis revealed four homogeneous groups of children (classes) with different scores for Social Interaction and Communication at one hand and Stereotypies/Rigidity at the other hand.
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