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Gepubliceerd in: Journal of Autism and Developmental Disorders 7/2013

01-07-2013

Narrowly Versus Broadly Defined Autism Spectrum Disorders: Differences in Pre- and Perinatal Risk Factors

Auteurs: Janne C. Visser, Nanda Rommelse, Lianne Vink, Margo Schrieken, Iris J. Oosterling, Rutger J. van der Gaag, Jan K. Buitelaar

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 7/2013

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Abstract

This study examined the differential contribution of pre- and perinatal risks in narrowly versus broadly defined autism spectrum disorder (ASD) and across core symptom domains, IQ and co-morbid problems. Children with a DSM-IV diagnosis of autistic disorder (AD) (n = 121) or pervasive developmental disorder not otherwise specified (PDD-NOS) (n = 75) were compared to a typical control sample (n = 311). Diagnoses were based on extensive assessments between 12 and 49 months of age (M = 33.3, SD = 6.4) and re-evaluated at 43–98 months (M = 68.1, SD = 10.7) in 70 % of the cases. Compared with controls, cases with ASD were more likely to be firstborn and show a suboptimal condition after birth. Case mothers reported more infections and more stress during pregnancy. Although the ASD subgroups showed mostly overlapping risks, cases with PDD-NOS differed from those with AD by higher exposure to smoking during pregnancy (SDP) and by a negative association of smoking with IQ, regardless of confounders. SDP appears to contribute more to broadly defined (PDD-NOS) than to narrowly defined ASD (AD). Findings suggest differences in etiological contributors between ASD phenotypes.
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Metagegevens
Titel
Narrowly Versus Broadly Defined Autism Spectrum Disorders: Differences in Pre- and Perinatal Risk Factors
Auteurs
Janne C. Visser
Nanda Rommelse
Lianne Vink
Margo Schrieken
Iris J. Oosterling
Rutger J. van der Gaag
Jan K. Buitelaar
Publicatiedatum
01-07-2013
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 7/2013
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-012-1678-6

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