Psychiatric conditions in autistic adolescents: longitudinal stability from childhood and associated risk factors
Open accessAbstract
Autistic people experience high rates of co-occurring psychiatric diagnoses. Current prevalence estimates vary considerably due to an over-reliance on clinical cohorts and the longitudinal stability of diagnoses from childhood into adolescence is poorly understood. This study aims to provide prevalence rates of co-occurring DSM-5 psychiatric diagnosis for autistic adolescence and investigate, for the first time, the stability of diagnoses from childhood. Using a longitudinal stratified sample of autistic youth ( N = 77; 13–17 years; 60% male), selected from a larger community-derived sample of those with pre-existing autism diagnoses ( N = 277) weighted prevalence estimates of emotional (anxiety, depression), behavioural (oppositional and conduct disorders) and ADHD diagnoses were calculated based on semi-structured psychiatric interview. Prediction of adolescent psychiatric diagnosis based on childhood diagnostic status, sex, childhood IQ (both assessed at age 4–10 years) was tested. Emotional and behavioural disorders in adolescence were particularly prevalent, and significantly predicted by childhood disorder status. Attention-deficit/hyperactivity-disorder (ADHD) was prevalent but not predicted by childhood ADHD diagnosis. Neither sex nor childhood IQ predicted diagnostic outcomes. Autistic youth have high levels of co-occurring psychiatric conditions, which are broadly persistent across childhood and adolescence. Emotional disorders are particularly prevalent and remain persistent from childhood to adolescence. Greater diagnostic variability was found for ADHD with more adolescents moving across diagnostic thresholds.
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- Authors
- Hollocks, M. J., Leno, V. C., Chandler, S., White, P., Yorke, I., Charman, T., Pickles, A., Baird, G., & Simonoff, E.
- Affiliations
- King's College London (GB)
- Guy's and St Thomas' NHS Foundation Trust (GB)
- Corresponding author
- Hollocks, Matthew J.
- ORCID
- Venue
- European Child & Adolescent Psychiatry
- Published
- 2022-08-17
- Volume
- 32
- Issue
- 11
- Pages
- 2197-2208
- ISSN
- 1018-8827 (ISSN-L)
- 1435-165X
- PMC
- PMC10576662
- OpenAlex
- W4292092505
- Cited by
- 56
- References
- 37
- Citations by year
- 2026: 14 · 2025: 21 · 2024: 15 · 2023: 4 · 2022: 2
- FWCI
- 5.42
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- European Child & Adolescent Psychiatry (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research Portal (King's College London) (submittedVersion, cc-by)
- Funders
- Programme Grants for Applied Research (RP-PG-1211-20016)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
- Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
- Keywords
- autism spectrum disorder, autistic adolescents, psychiatric comorbidity, transition to adolescence, anxiety, depression, attention deficit hyperactivity disorder, conduct disorder, oppositional disorder, emotional disorders, behavioural disorders, prevalence, child IQ, sex differences
- MeSH terms
- Adolescent, Attention Deficit Disorder with Hyperactivity, Autistic Disorder, Child, Child, Preschool, Female, Humans, Male, Risk Factors, Comorbidity, Conduct Disorder
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