Occurrence of mental health challenges and their association with autistic traits, cognitive level and adaptive functioning in autistic preschool children

Résumé fourni par la source

BACKGROUND: Mental health challenges are common in autistic individuals but there is limited research, particularly among preschool children. AIMS: To ascertain the nature and occurrence of mental health challenges in autistic preschool children, as well as their association with autistic traits and cognitive and adaptive functioning. METHOD: We conducted a secondary analysis of data collected from children attending Autism Specific Early Learning and Care Centres across six states in Australia. The primary outcome of mental health challenges was assessed using the Child Behaviour Checklist (CBCL). The severity of autism and autistic traits, such as social communication differences and repetitive behaviours, alongside cognitive and adaptive functioning, were used as exposure variables. Multivariable linear regression analyses examined the associations among mental health challenges, autistic traits, cognitive level and adaptive functioning, and adjusted for key sociodemographic covariates. RESULTS: Among 760 children, about 76% scored above the clinical range of CBCL total problem scores. Mental health difficulties were significantly associated with greater severity of autistic traits, social communication differences and repetitive behaviours, and lower verbal developmental functioning and adaptive functioning. Additionally, sociodemographic determinants, such as children who were older, female or with an autistic sibling, were associated with higher risk of mental health difficulties, whereas culturally and linguistically diverse status, higher parental education and family income were protective against mental health challenges. CONCLUSIONS: Our findings provide useful insights into the high prevalence of mental health difficulties among autistic preschool children, highlighting the significant association with autistic traits, cognitive and adaptive functioning levels and sociodemographic risk factors.

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