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Table 3 Interaction effects between graduation cohort and school performance at the time of leaving compulsory school on risk of disability benefits due to mental disorders during follow-up 2003–2011

From: Has the association between low school performance and the risk of disability benefit due to mental disorders become stronger over time?

  Model 1 Model 1a Model 2 Model 2a
HRb 95%CI HRb 95%CI HRb 95%CI HRb 95%CI
Graduation cohort * school performance (higher school performancea as a reference) 1.11 1.07–1.15 1.09 1.05–1.13 1.12 1.08–1.16 1.10 1.06–1.14
  1. a merit rating above the lowest quintile
  2. b hazard ratio
  3. Model 1poor school performance defined as the lowest quintile of merit rating (calculated on the basis of at least 8 school subjects) or ≥ 9 incomplete courses at the time of leaving compulsory school
  4. Model 1a adjusted for mental disorders before finishing ninth grade
  5. Model 2 individuals who had ≥9 incomplete courses excluded (n = 8589)
  6. Model 2a adjusted for mental disorders before finishing ninth grade
  7. *Interaction between two variables