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Iran J Psychiatry. 2012 Fall;7(4):157-63.

Broader Autism Phenotype in Iranian Parents of Children with Autism Spectrum Disorders vs. Normal Children.

Author information

1
Tehran University of Medical Science, Psychiatry & Psychology Research Center, Tehran, Iran.

Abstract

OBJECTIVE:

The aim of the present study was to compare the broader autism phenotype in Iranian parents of children with autism spectrum disorders and parents of typically developing children.

METHOD:

Parents of children with ASD and parents of typically developing children were asked to complete the Persian version of the Autism Spectrum Quotient (AQ). In the ASD group, families included 204 parents (96 fathers and 108 mothers) of children diagnosed as having autism (Autistic Disorder, or AD) (n=124), Asperger Syndrome (AS) or High Functioning Autism (HFA) (n=48) and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS) (n=32) by psychiatrists based on the Diagnostic and Statistical Manual of Mental Disorders-4thedition (DSM-IV-TR) criteria. In the control group, 210 (108 fathers and 102 mothers) parents of typically developing children. Parents of typically developing children were selected from four primary schools. Based on family reports, their children did not have any psychiatric problems. Total AQ score and each of the 5 subscales were analyzed using two-way ANOVAs with sex and group as factors.

RESULTS:

The mean age of ASD fathers was 40.6 years (SD=5.96; range 31-54), and of ASD mothers was 34.7 years (SD=4.55; range 28-45). The mean age of control fathers was 37 years (SD=4.6; range 29-45) and of control mothers was 34.11 years (SD=4.86; range 28-45). Group differences were found in age (p ‹ 0/001). On total AQ, a main effect for group and sex was found. ASD parents scored higher than controls (F(1,410)=77.876, P ‹ 0/001) and males scored higher than females (F(1,410)=23.324, P ‹ 0/001). Also, Group by Sex interaction was significant (F(1,410)=4.986, P ‹ 0/05). Results of MANOVA analysis displayed significant differences between ASD's subgroups on total AQ and subscales scores (F (15, 1121)=13.924, p < 0.0005; Wilk's Lambda= 0.624, partial =0.145). Pairwise comparisons between ASD's subgroups and Normal group showed that mean scores for the Asperger group are significantly more than other groups in total AQ, attention switching and communication subscales (p < 0.05). The frequencies of BAP (X^2=52.721 (DF=1), P ‹ 0/001), MAP (X^2=17.133 (DF=1), P ‹ 0/001) and NAP (X^2=12.722 (DF=1), P ‹ 0/001) in ASD parents were significantly more than control parents. The frequencies of Broader Autism Phenotype (BAP) (X^2=3.842 (DF=1), P›0/05) and Medium Autism phenotype (MAP) (X^2=0.060 (DF=1), P›0/05) did not significantly differ in ASD fathers and mothers, but the proportion of fathers in Narrow Autism Phenotype(NAP) range was more than mothers (X2=14.344, P ‹ 0/001).

CONCLUSION:

Results of the present study revealed that parents of children with ASD scored significantly higher than control parents on total AQ and its subscales and the rates of BAP, MAP and NAP were higher in ASD parents than in controls. In addition, in ASD's subgroups, the parents of Asperger children scored significantly more than other subgroups (Autism and PDD-nos) and the normal group on total AQ and some subscales.

KEYWORDS:

Autistic disorder; Child; Iran; Parents

PMID:
23408558
PMCID:
PMC3570573
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