Autism Spectrum Disorder Association with Socioeconomic and Demographic Factors: A Case-Control Study.

Introduction: Autism spectrum disorder (ASD) is an early-onset neurodevelopmental disorder whose prevalence is constantly increasing.

Objective: The aim of the study was to investigate the association between ASD and socioeconomic and demographic factors of parents of children/adolescents in Northern Minas Gerais, Brazil.

Methods: A case-control study was carried out, consisting of 1,134 children/adolescents, 248 with ASD and 886 without ASD.

Association between autism spectrum disorder and peripartum events: a case-control study.

Objective: To assess the association between peripartum events and autism spectrum disorder (ASD) development in children and adolescents.

Methods: The current research is a case-control study in northern Minas Gerais state, Brazil. The inclusion criteria in the case group included individuals whose medical records reported an autistic disorder diagnosis, individuals had this diagnosis further confirmed by Northern Minas Autistic Support Association and specialized clinics, and their mothers had to answer positively to the question: "Was your child diagnosed with autism spectrum disorder?" in the data collection instrument.

[Autism spectrum disorder and parents' age: a case-control study in Brazil].

Autism spectrum disorder (ASD) has become a public health problem with major family, social, and economic impacts. This study aimed to estimate the association between ASD and parents' age at the time of their child's birth. A case-control study was performed, consisting of 243 individuals with ASD (cases) and 886 neurotypical controls.