Age of Autism Spectrum Disorder Diagnosis and Comorbidity in Children and Adolescents with Autism Spectrum Disorder.

Aim: Research is required to study the relationship between age of autism spectrum disorder (ASD) diagnosis and the presence of comorbidities.

Method: The Gastrointestinal Symptom Inventory, Autism Spectrum Disorder-Comorbid for Children, Behavior Problem Inventory-Short Form and Social Communication Questionnaire were completed by parents of 129 children and adolescents with a diagnosis of ASD.

Results: Results revealed significant relationships between the age of ASD diagnosis, the presence of comorbidities and intellectual disability.

Quality of life, gastrointestinal symptoms, sleep problems, social support, and social functioning in adults with autism spectrum disorder.

Background: The purpose of this study was to investigate the relationship between sleep problems, gastrointestinal symptoms, social functioning, autism traits, and social support on quality of life (QoL) in 107 adults with autism spectrum disorder (ASD).

Method: Questionnaires included the Autism Spectrum Quotient-10 (Adult), Multidimensional Scale of Perceived Social Support, Social Functioning Questionnaire, Pittsburgh Sleep Quality Index, Gastrointestinal Symptom Inventory, and World Health Organization Quality of Life-BREF.

Results: GI symptoms were a common comorbidity with 86 % of participants presenting with them.

Complex Comorbid Presentations are Associated with Harmful Behavior Problems among Children and Adolescents with Cerebral Palsy.

: Frequency and relationship between gastrointestinal symptoms, sleep problems, internalizing and externalizing symptoms, behavior problems and autism spectrum disorder (ASD) symptoms, and predictors of behavior problems were examined in children and adolescents with Cerebral Palsy (CP). : Parents of 104 children and adolescents with CP completed the Gastrointestinal Symptom Inventory, Children's Sleep Habits Questionnaire, Child Behavior Checklist, Social Communication Questionnaire and the Behavior Problem Inventory-Short Form. : High frequency of behavior problems (88.