Abstract
BACKGROUND: Adolescence is a key developmental period associated with an increased risk of experiencing cannabis-related problems. Identifying modifiable risk factors prior to the onset of cannabis use could help inform preventative interventions.
METHOD: Analysis nested within a UK prospective birth cohort study, the Avon Longitudinal Study of Parents and Children. Participants ( n = 6,049) provided data on cannabis use and symptoms of cannabis problems using the Cannabis Abuse Screening Test at two or more time points between the ages of 15-24 years. Risk factors included internalizing and externalizing disorders assessed at age 10 years, and cognitive function assessed at age 8 years via short-term memory, emotion recognition, divided attention, and listening comprehension.
RESULTS: Participants were mostly female (59.1%) and white (95.73%). Five patterns of adolescent cannabis use problems were identified using longitudinal latent class analysis: stable-no problems ( n = 5,157, 85%), early-onset high ( n = 104, 2%), late-onset high ( n = 153, 3%), early onset low ( n = 348, 6%), and late-onset low ( n = 287, 5%). In adjusted models, externalizing disorders were associated with early-onset high [RR, 95% CI: 2.82 (1.72, 4.63)], late-onset high [RR, 95% CI: 1.62 (1.02, 2.57)], and early-onset low [RR, 95% CI: 1.82 (1.30, 2.55)] compared to the stable-no problems class. Internalizing disorders were associated with late-onset low only [RR, 95% CI: .50 (.26, .96)], and short-term memory with late-onset high only [RR, 95% CI: 1.09 (1.01, 1.18) compared to the stable-no problems class.
CONCLUSIONS: Childhood externalizing disorders were consistently associated with increased risk of problematic patterns of cannabis use over adolescence, particularly early-onset and high levels of problems.
| Original language | English |
|---|---|
| Article number | e129 |
| Pages (from-to) | 1-9 |
| Journal | Psychological Medicine |
| Volume | 55 |
| Early online date | 30 Apr 2025 |
| DOIs | |
| Publication status | Published - 30 Apr 2025 |
Bibliographical note
Publisher Copyright:© The Author(s), 2025. Published by Cambridge University Press.
Data Availability Statement
The supplementary material for this article can be found at http://doi.org/10.1017/S0033291725001175.Acknowledgements
We are extremely grateful to all the families who took part in this study, the midwives for their help in recruiting them, and the whole ALSPAC team, which includes interviewers, computer and laboratory technicians, clerical workers, research scientists, volunteers, managers, receptionists, and nurses.Funding
H.J. is supported by the NIHR Biomedical Research Centre at University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol. The views expressed are those of the authors and not necessarily those of the NIHR or the Department of Health and Social Care. T.P.F. is supported by a UKRI Future Leaders Fellowship (MR/Y017560/1). This work was supported in part by grant MR/N0137941/1 for the GW4 BIOMED MRC DTP, awarded to the Universities of Bath, Bristol, Cardiff, and Exeter from the Medical Research Council (MRC)/UKRI.
| Funders | Funder number |
|---|---|
| National Institute for Health Research | |
| UK Research & Innovation | MR/Y017560/1 |
| Medical Research Council | MR/N0137941/1 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Humans
- Female
- Adolescent
- Male
- Longitudinal Studies
- Child
- Marijuana Abuse/epidemiology
- Young Adult
- United Kingdom/epidemiology
- Risk Factors
- Prospective Studies
- Cognition
- Mental Health
- CAST
- Birth Cohort
- ALSPAC
- Longitudinal data
- Latent class analysis
- Epidemiology
- Cannabis use
ASJC Scopus subject areas
- Applied Psychology
- Psychiatry and Mental health
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