Journal
JOURNAL OF ABNORMAL CHILD PSYCHOLOGY
Volume 43, Issue 3, Pages 577-587Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10802-014-9923-4
Keywords
Autism spectrum disorder; Comorbidity; Internalizing psychopathology; Externalizing psychopathology; Confirmatory factor analysis
Categories
Funding
- Netherlands Organization for Scientific Research NWO (Medical Research Council program) [GB-MW 940-38-011, 60-60600-98-018, 60-60600-97118, 261-98-710, GB-MaGW 480-01-006, GB-MaGW 480-07-001, GB-MaGW 457-03-018, GB-MaGW 452-04-314, GB-MaGW 452-06004, 175.010.2003.005]
- Sophia Foundation for Medical Research [301, 393]
- Dutch Ministry of Justice (WODC)
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Problems associated with Autism Spectrum Disorder (ASD) occur frequently in the general population and often co-occur with problems in other domains of psychopathology. In the research presented here these co-occurrence patterns were investigated by integrating a dimensional approach to ASDs into the more general dimensional framework of internalizing and externalizing psychopathology. Factor Analysis was used to develop hierarchical and bi-factor models covering multiple domains of psychopathology in three measurement waves of a longitudinal general population sample (N = 2,230, ages 10-17, 50.8 % female). In all adequately fitting models, autism related problems were part of a specific domain of psychopathology that could be distinguished from the internalizing and externalizing domains. Optimal model fit was found for a bi-factor model with one non-specific factor and four specific factors related to internalizing, externalizing, autism spectrum problems and problems related to attention and orientation. Autism-related problems constitute a specific domain of psychopathology that can be distinguished from the internalizing and externalizing domains. In addition, the co-occurrence patterns in the data indicate the presence of a strong general factor.
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