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Table 4 Gender stratified hazard ratios (HR) with 95% confidence intervals (CI) of adolescent first-time severe self-harm by parental education and household income

From: Socioeconomic position and self-harm among adolescents: a population-based cohort study in Stockholm, Sweden

  Boys Girls
Model 1
HR (95% CI)
Model 2
HR (95% CI)
Model 3
HR (95% CI)
Model 1
HR (95% CI)
Model 2
HR (95% CI)
Model 3
HR (95% CI)
Parental education
 Primary 1.02 (0.56–1.86) 0.84 (0.46–1.56) 0.82 (0.43–1.56) 1.41 (1.07–1.85) 1.20 (0.90–1.60) 1.18 (0.87–1.59)
 Secondary 1.37 (0.96–1.95) 1.34 (0.94–1.91) 1.28 (0.89–1.84) 1.09 (0.90–1.32) 1.03 (0.84–1.25) 1.02 (0.83–1.24)
 Tertiary 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF)
Household income
 1st quintile 0.82 (0.47–1.45) 0.76 (0.41–1.40) 0.91 (0.49–1.68) 1.18 (0.88–1.58) 1.02 (0.75–1.38) 1.01 (0.74–1.38)
 2nd quintile 1.08 (0.64–1.82) 0.90 (0.52–1.54) 0.90 (0.52–1.55) 1.09 (0.82–1.45) 0.98 (0.73–1.30) 0.95 (0.71–1.28)
 3rd quintile 1.00 (0.60–1.66) 1.01 (0.61–1.69) 0.94 (0.56–1.58) 1.00 (0.74–1.35) 0.97 (0.72–1.31) 0.96 (0.71–1.30)
 4th quintile 0.84 (0.48–1.47) 0.80 (0.46–1.40) 0.72 (0.41–1.27) 0.97 (0.72–1.33) 0.92 (0.68–1.26) 0.91 (0.67–1.25)
 5th quintile 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF) 1.00 (REF)
  1. Model 1: crude
  2. Model 2: adjusted for parental country of birth and history of mental disorder of biological parent
  3. Model 3: adjusted for parental country of birth, history of mental disorder of biological parent, receipt of welfare and number of parents in the household