Teacher-rated childhood emotional, behavioural and social problems and alcohol-related, drug-related and intentional self-harm-related hospitalisation and mortality in adulthood (18–40 years): a population-based cohort study - Report - MDSpire
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Teacher-Assessed Emotional, Behavioural and Social Difficulties in Childhood and Alcohol-Related, Drug-Related and Intentional Self-Harm Hospitalisations and Deaths in Adulthood (Ages 18–40): A Population-Based Cohort Study

  • By

  • Minjae Choi

  • Sylvana M Côté

  • Caroline E Temcheff

  • Marc Dorais

  • Frank Vitaro

  • Richard E Tremblay

  • Marie-Claude Geoffroy

  • October 13, 2026

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Clinical Report: Childhood Socioemotional Difficulties and Adult Diseases of Despair

Overview

In a population-based cohort of 5,290 people, teacher-assessed emotional, behavioural and social difficulties at ages 6–12 were associated with hospitalisation or death from diseases of despair between ages 18 and 40. Associations were concentrated largely in alcohol- and drug-related diseases; disruptive behaviours and ADHD symptoms were associated with higher hazards, while prosociality was associated with a lower hazard.

Background

Alcohol-related disease, drug-related disease and intentional self-harm contribute to adult morbidity and premature mortality and may co-occur under the broader framework of diseases of despair. Childhood emotional, behavioural and social skills have been linked in earlier research to later substance use and suicidality, although much of that evidence used self-reported outcomes or shorter follow-up. The study addressed a gap in prospective evidence by examining teacher-rated childhood difficulties against linked hospitalisation and mortality records through mid-adulthood.

Data Highlights

Measure or outcomeFinding
Cohort5,290 individuals enrolled at age 6; health records linked for outcomes from ages 18 to 40
Any disease-of-despair hospitalisation or death249 individuals (4.7%)
Drug-related disease183 individuals (3.5%)
Alcohol-related disease110 individuals (2.1%)
Intentional self-harm37 individuals (0.7%)
Total emotional, behavioural and social problemsPer 1-SD increment: adjusted HR 1.49 (95% CI 1.32–1.68)
Disruptive behavioursPer 1-SD increment: adjusted HR 1.39 (95% CI 1.27–1.53)
ADHD symptomsPer 1-SD increment: adjusted HR 1.44 (95% CI 1.28–1.62)
ProsocialityPer 1-SD increment: adjusted HR 0.81 (95% CI 0.71–0.93)
Sex interaction for disruptive behavioursAssociations were stronger among females; P for interaction=0.040

Key Findings

  • The Québec Longitudinal Study of Kindergarten Children provided population-based cohort data for 5,290 individuals, with teacher assessments of emotional, behavioural and social problems at ages 6–12 and linked health outcomes through age 40.
  • Overall childhood emotional, behavioural and social problems were associated with a higher hazard of adult diseases of despair: adjusted HR 1.49 per 1-SD increment (95% CI 1.32–1.68).
  • Disruptive behaviours and ADHD symptoms were associated with higher hazards (adjusted HR 1.39 and 1.44 per 1-SD increment, respectively); prosociality was associated with a lower hazard (adjusted HR 0.81).
  • Associations were concentrated largely in alcohol- and drug-related diseases. By mid-adulthood, 4.7% of the cohort had experienced hospitalisation or death from a disease of despair; outcome frequencies were 3.5% for drug-related disease, 2.1% for alcohol-related disease and 0.7% for intentional self-harm.
  • Disruptive-behaviour associations were stronger among females (P for interaction=0.040); the study abstract reports that associations generally appeared stronger among females.
  • The study authors state that intervention studies are needed to assess whether altering these capacities lowers later risk; the cohort findings establish associations, not intervention effects.

Clinical Implications

The study authors note that childhood emotional, behavioural and social difficulties could help identify people facing greater long-term vulnerability to diseases of despair. They also state that intervention studies are needed to determine whether changing these capacities lowers subsequent risk.

Conclusion

Teacher-assessed childhood socioemotional difficulties were associated with adult hospitalisation or death from diseases of despair, particularly alcohol- and drug-related outcomes. The reported associations do not establish that changing childhood difficulties would alter later risk.

Related Resources & Content

  1. Study authors, Journal not specified in supplied material, Year not specified -- Teacher-Assessed Emotional, Behavioural and Social Difficulties in Childhood and Alcohol-Related, Drug-Related and Intentional Self-Harm Hospitalisations and Deaths in Adulthood (Ages 18–40): A Population-Based Cohort Study
  2. American Journal of Epidemiology, 2025 -- Attendance at Religious Services Linked to Reduced Risk of Diseases Associated with Despair: Insights from Regression, Sibling Fixed Effects, and Instrumental Variable Analyses
  3. Journal of General Internal Medicine, 2026 -- Implementation of a Hospital-Based Screening and Treatment Program for Unhealthy Alcohol Use
  4. npj Digital Medicine, 2026 -- Forecasting Variability in the Effectiveness of Digital Alcohol Interventions Using Multimodal Data Approaches
  5. BMC Psychiatry, 2025 -- A qualitative study of patient’s experiences of receiving alcohol interventions according to the 15-method in psychiatric care
  6. Preventing Suicide | Suicide Prevention | CDC
  7. Recommendation: Unhealthy Alcohol Use in Adolescents and Adults: Screening and Behavioral Counseling Interventions | United States Preventive Services Taskforce
  8. The Impact of the Good Behavior Game, a Universal Classroom-Based Preventive Intervention in First and Second Grades, on High-Risk Sexual Behaviors and Drug Abuse and Dependence Disorders into Young Adulthood

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