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Typical Pubertal Timing in an Australian Population of Girls and Boys with Autism Spectrum Disorder
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May, Tamara; Pang, Ken C.; O'Connell, Michele A.; Williams, Katrina – Journal of Autism and Developmental Disorders, 2017
Secondary data analyses from the Longitudinal Study of Australian Children Kindergarten cohort were performed to understand any alterations in pubertal timing in Autism Spectrum Disorder (ASD) in a population sample. Timing of parent-reported pubertal events (ages 8-9, 10-11, 12-13 years), and self-report (14-15 years; N = 3454 no ASD, N = 94 with…
Descriptors: Foreign Countries, Puberty, Longitudinal Studies, Regression (Statistics)
Comparing Parental Well-Being and Its Determinants across Three Different Genetic Disorders Causing Intellectual Disability
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Mori, Yuka; Downs, Jenny; Wong, Kingsley; Heyworth, Jane; Leonard, Helen – Journal of Autism and Developmental Disorders, 2018
Using the Short Form 12 Health Survey this cross-sectional study examined parental well-being in caregivers of children with one of three genetic disorders associated with intellectual disability; Down syndrome, Rett syndrome and the CDKL5 disorder. Data were sourced from the Western Australian Down Syndrome (n = 291), Australian Rett Syndrome (n…
Descriptors: Intellectual Disability, Well Being, Genetic Disorders, Multivariate Analysis
Continuity and Change in, and Child Predictors of, Caregiver Reported Anxiety Symptoms in Young People with Autism Spectrum Disorder: A Follow-Up Study
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Teh, Elizabeth J.; Chan, Diana Mei-En; Tan, Germaine Ke Jia; Magiati, Iliana – Journal of Autism and Developmental Disorders, 2017
Little is known about continuity, change and predictors of anxiety in ASD. This follow-up study investigated changes in caregiver-reported anxiety in 54 non-referred youth with ASD after 10-19 months. Earlier child predictors of later anxiety were also examined. Anxiety scores were generally stable. Time 1 ASD repetitive behavior symptoms, but not…
Descriptors: Autism, Pervasive Developmental Disorders, Predictor Variables, Anxiety
Evaluating Sex and Age Differences in ADI-R and ADOS Scores in a Large European Multi-Site Sample of Individuals with Autism Spectrum Disorder
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Tillmann, J.; Ashwood, K.; Absoud, M.; Bölte, S.; Bonnet-Brilhault, F.; Buitelaar, J. K.; Calderoni, S.; Calvo, R.; Canal-Bedia, R.; Canitano, R.; De Bildt, A.; Gomot, M.; Hoekstra, P. J.; Kaale, A.; McConachie, H.; Murphy, D. G.; Narzisi, A.; Oosterling, I.; Pejovic-Milovancevic, M.; Persico, A. M.; Puig, O.; Roeyers, H.; Rommelse, N.; Sacco, R.; Scandurra, V.; Stanfield, A. C.; Zander, E.; Charman, T. – Journal of Autism and Developmental Disorders, 2018
Research on sex-related differences in Autism Spectrum Disorder (ASD) has been impeded by small samples. We pooled 28 datasets from 18 sites across nine European countries to examine sex differences in the ASD phenotype on the ADI-R (376 females, 1763 males) and ADOS (233 females, 1187 males). On the ADI-R, early childhood restricted and…
Descriptors: Gender Differences, Age Differences, Diagnostic Tests, Observation
Brief Report: A Comparison of the Preference for Viewing Social and Non-Social Movies in Typical and Autistic Adolescents
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Dubey, Indu; Ropar, Danielle; de C. Hamilton, Antonia F. – Journal of Autism and Developmental Disorders, 2017
The recently proposed Social Motivation theory (Chevallier et al., Trends in cognitive sciences 16(4):231-239, 2012) suggests that social difficulties in Autism Spectrum Condition (ASC) might be caused by a difference in the motivation to engage with other people. Here we compared adolescents with (N = 31) and without (N = 37) ASC on the…
Descriptors: Autism, Pervasive Developmental Disorders, Adolescents, Comparative Analysis
Parental Age and Risk of Autism Spectrum Disorders in a Finnish National Birth Cohort
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Lampi, Katja M.; Hinkka-Yli-Salomäki, Susanna; Lehti, Venla; Helenius, Hans; Gissler, Mika; Brown, Alan S.; Sourander, Andre – Journal of Autism and Developmental Disorders, 2013
Aim of the study was to examine the associations between parental age and autism spectrum disorders (ASD). Data were based on the FIPS-A (Finnish Prenatal Study of Autism and Autism Spectrum Disorders), a case-control study with a total of 4,713 cases with childhood autism (n = 1,132), Asperger's syndrome (n = 1,785) or other pervasive…
Descriptors: Foreign Countries, Cohort Analysis, Risk, Autism
Parent-Endorsed Sex Differences in Toddlers with and without ASD: Utilizing the M-CHAT
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Øien, Roald A.; Hart, Logan; Schjølberg, Synnve; Wall, Carla A.; Kim, Elizabeth S.; Nordahl-Hansen, Anders; Eisemann, Martin R.; Chawarska, Katarzyna; Volkmar, Fred R.; Shic, Frederick – Journal of Autism and Developmental Disorders, 2017
Sex differences in typical development can provide context for understanding ASD. Baron-Cohen ("Trends Cogn Sci" 6(6):248-254, 2002) suggested ASD could be considered an extreme expression of normal male, compared to female, phenotypic profiles. In this paper, sex-specific M-CHAT scores from N = 53,728 18-month-old toddlers, including n…
Descriptors: Gender Differences, Parent Attitudes, Toddlers, Genetics
Investigation of Individual Factors Associated with Anxiety in Youth with Autism Spectrum Disorders
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Dubin, Ashley H.; Lieberman-Betz, Rebecca; Michele Lease, A. – Journal of Autism and Developmental Disorders, 2015
As youth with autism spectrum disorder (ASD) are more likely to experience anxiety than youth in the general population, investigation of associated factors is important for diagnosis and treatment. The present study extended prior research by examining factors associated with caregiver-reported anxiety in 2662 youth (mean age = 8.82 years) with…
Descriptors: Anxiety, Youth, Autism, Pervasive Developmental Disorders
Gender Differences in Vocational Rehabilitation Service Predictors of Successful Competitive Employment for Transition-Aged Individuals with Autism
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Sung, Connie; Sánchez, Jennifer; Kuo, Hung-Jen; Wang, Chia-Chiang; Leahy, Michael J. – Journal of Autism and Developmental Disorders, 2015
As males and females with autism spectrum disorder (ASD) experience different symptomology, their needs for vocational rehabilitation (VR) are unique as they transition into adulthood. This study examined the effects of gender differences in VR service predictors on employment outcomes for transition-aged individuals with ASD. A total of 1696…
Descriptors: Autism, Pervasive Developmental Disorders, Gender Differences, Vocational Rehabilitation
Factors Affecting Age at ASD Diagnosis in UK: No Evidence That Diagnosis Age Has Decreased between 2004 and 2014
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Brett, Denise; Warnell, Frances; McConachie, Helen; Parr, Jeremy R. – Journal of Autism and Developmental Disorders, 2016
Clinical initiatives have aimed to reduce the age at ASD diagnosis in the UK. This study investigated whether the median age at diagnosis in childhood has reduced in recent years, and identified the factors associated with earlier diagnosis in the UK. Data on 2,134 children with ASD came from two large family databases. Results showed that the age…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Clinical Diagnosis
Vocational Rehabilitation Service Patterns and Outcomes for Individuals with Autism of Different Ages
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Chen, June L.; Sung, Connie; Pi, Sukyeong – Journal of Autism and Developmental Disorders, 2015
Young adults with autism spectrum disorders (ASD) often experience employment difficulties. Using Rehabilitation Service Administration data (RSA-911), this study investigated the service patterns and factors related to the employment outcomes of individuals with ASD in different age groups. Hierarchical logistic regression analyses were conducted…
Descriptors: Autism, Pervasive Developmental Disorders, Vocational Rehabilitation, Employment Patterns
Age and Adaptive Functioning in Children and Adolescents with ASD: The Effects of Intellectual Functioning and ASD Symptom Severity
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Hill, Trenesha L.; Gray, Sarah A. O.; Kamps, Jodi L.; Enrique Varela, R. – Journal of Autism and Developmental Disorders, 2015
The present study examined the moderating effects of intellectual functioning and ASD symptom severity on the relation between age and adaptive functioning in 220 youth with autism spectrum disorder (ASD). Regression analysis indicated that intellectual functioning and ASD symptom severity moderated the relation between age and adaptive…
Descriptors: Severity (of Disability), Symptoms (Individual Disorders), Intellectual Development, Autism
The Effect of Gestational Age on Symptom Severity in Children with Autism Spectrum Disorder
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Movsas, Tammy Z.; Paneth, Nigel – Journal of Autism and Developmental Disorders, 2012
Between 2006 and 2010, two research-validated instruments, Social Communication Questionnaire (SCQ) and Social Responsiveness Scale (SRS) were filled out online by 4,188 mothers of Autism Spectrum Disorder (ASD) children, aged 4-21, as part of voluntary parental participation in a large web-based registry. Univariate and multivariate linear…
Descriptors: Autism, Regression (Statistics), Severity (of Disability), Age Differences
Children's Compliance with American Academy of Pediatrics' Well-Child Care Visit Guidelines and the Early Detection of Autism
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Daniels, Amy M.; Mandell, David S. – Journal of Autism and Developmental Disorders, 2013
This study estimated compliance with American Academy of Pediatrics (AAP) guidelines for well-child care and the association between compliance and age at diagnosis in a national sample of Medicaid-enrolled children with autism (N = 1,475). Mixed effects linear regression was used to assess the relationship between compliance and age at diagnosis.…
Descriptors: Children, Compliance (Psychology), Age Differences, Clinical Diagnosis
Reading Comprehension in Autism Spectrum Disorders: The Role of Oral Language and Social Functioning
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Ricketts, Jessie; Jones, Catherine R. G.; Happe, Francesca; Charman, Tony – Journal of Autism and Developmental Disorders, 2013
Reading comprehension is an area of difficulty for many individuals with autism spectrum disorders (ASD). According to the Simple View of Reading, word recognition and oral language are both important determinants of reading comprehension ability. We provide a novel test of this model in 100 adolescents with ASD of varying intellectual ability.…
Descriptors: Adolescents, Autism, Word Recognition, Social Cognition
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