Peer-reviewed article
A life-course approach to the relationship between adverse childhood experiences and mental health in a longitudinal UK birth cohort (ALSPAC).
Tran HGN, Morgan J, Major-Smith D ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This study used data from a long-running UK birth cohort to examine how adverse childhood experiences (ACEs) affect mental health into adulthood. Researchers tracked children from birth and measured exposure to interpersonal trauma at different ages alongside depression and anxiety diagnoses at ages 17 and 24. ACEs during late childhood and early adolescence (ages 11-17) had the strongest link to mental health problems in early adulthood, roughly doubling the risk of depression and anxiety. Exposure in middle childhood (ages 5-11) showed weaker but still significant associations with depression.
Key points
- ACEs during late childhood/early adolescence (11-17 years) approximately doubled the odds of depression and anxiety diagnoses at age 24
- ACEs in middle childhood (5-11 years) were associated with approximately 50 per cent increase in odds of depression
- Results at age 17 showed similar patterns, with late childhood/early adolescence as the critical period
- Individual ACE analysis showed more inconsistent patterns, possibly because these events are rare and often co-occur
- The study cannot distinguish whether late childhood is a 'critical period' for vulnerability or whether more recent trauma has stronger effects
Limitations
The study cannot definitively establish whether late childhood/early adolescence represents a sensitive developmental period or whether effects are simply stronger because exposure was more recent. The analysis of individual ACEs was limited by their relative rarity in the population and their tendency to cluster together over time.
Abstract
Adverse childhood experiences (ACEs) negatively impact children's psychological development and subsequent mental health. However, life-course trajectories of ACEs on common mental health outcomes in adulthood have not been explored in depth. We analysed longitudinal data from the Avon Longitudinal Study of Parents and Children (ALSPAC) in the UK to determine the best-fitting life-course models between ACEs and mental health outcomes (depression and anxiety) at 17 and 24 years, using a Structured Life Course Modelling Approach. Six ACEs related to interpersonal trauma were integrated into life-course hypotheses, including: critical periods (at ages 0-5, 5-11 and 11-17), ACE accumulation, ever-experiencing ACEs and persistent ACE exposure. ACEs during late childhood/early adolescence (11-17 years) had the strongest association with depression and anxiety at age 24, with any ACEs at this time-point approximately doubling the odds of diagnoses. A weaker association with ACEs in middle childhood (5-11 years) on depression was also observed (approx. 50 per cent increase in odds). Results at age 17 were similar, with a consistent relationship between ACE exposure in late childhood/early adolescence on depression and anxiety, potentially combined with weaker exposure effects in middle childhood and/or accumulation effects. Life-course trajectories for analyses of the individual ACEs were more inconsistent, potentially due to the relative rarity of these events and their correlation over time, but often also indicated strongest relationships during late childhood/early adolescence. In sum, traumatic ACEs during late childhood/early adolescence may have the strongest effect on subsequent mental health in early adulthood, although we cannot distinguish 'critical period' and 'recency' effects.
Findings the Hub has extracted
Each claim below is labelled by its type of design and links back to this report.
- Intervention
- Life-course analysis of the timing and patterns of ACE exposure (interpersonal trauma) during different childhood periods (0-5, 5-11, 11-17 years) and their relationship to mental health outcomes
- Population
- Children in the Avon Longitudinal Study of Parents and Children (ALSPAC), a UK birth cohort, assessed for ACEs and mental health outcomes (depression and anxiety) at ages 17 and 24
Key finding
ACEs during late childhood/early adolescence (11-17 years) approximately doubled the odds of depression and anxiety diagnoses at age 24