Educational level and the risk of mental disorders, substance use disorders and self-harm in different age-groups: A cohort study covering 1,6 million subjects in the Stockholm region

Baojing Li, Peter Allebeck, Bo Burstöm, Anna Karin Danielsson, Louisa Degenhardt, Terje A. Eikemo, Alize Ferrari, Ann Kristin Knudsen, Andreas Lundin, Hélio Manhica, John Newton, Harvey Whiteford, Pär Flodin, Hugo Sjöqvist, Emilie E. Agardh*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    Objective: To investigate the associations between low education and risk of mental disorders, substance use disorders and self-harm in different age-groups. Methods: All subjects in Stockholm born between 1931 and 1990 were linked to their own or their parent's highest education in 2000 and followed-up for these disorders in health care registers 2001–2016. Subjects were stratified into four age-groups: 10–18, 19–27, 28–50, and 51–70 years. Hazard Ratios with 95% Confidence Intervals (CIs) were estimated with Cox proportional hazard models. Results: Low education increased the risk of substance use disorders and self-harm in all age-groups. Males aged 10–18 with low education had increased risks of ADHD and conduct disorders, and females a decreased risk of anorexia, bulimia and autism. Those aged 19–27 years had increased risks of anxiety and depression, and those aged 28–50 had increased risks of all mental disorders except anorexia and bulimia in males with Hazard Ratios ranging from 1.2 (95% CIs 1.0–1.3) for bipolar disorder to 5.4 (95% CIs 5.1–5.7) for drug use disorder. Females aged 51–70 years had increased risks of schizophrenia and autism. Conclusion: Low education is associated with risk of most mental disorders, substance use disorders and self-harm in all age-groups, but especially among those aged 28–50 years.

    Original languageEnglish
    Article numbere1964
    JournalInternational Journal of Methods in Psychiatric Research
    Volume32
    Issue number4
    DOIs
    Publication statusPublished - Dec 2023

    Bibliographical note

    Publisher Copyright:
    © 2023 The Authors. International Journal of Methods in Psychiatric Research published by John Wiley & Sons Ltd.

    Keywords

    • educational level
    • mental disorders
    • self-harm
    • substance use disorders

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