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Table 2 Hazard ratios for mortality (36-60 years) by psychiatric disorder at 36 years, obtained from Cox's proportional hazards models and based on 3283 men and women and 204 deaths

From: Psychiatric disorder in early adulthood and risk of premature mortality in the 1946 British Birth Cohort

  Hazard ratios (fully adjusted) (95%CI) Test for trend P value
  Male Female All (sex adjusted)  
Psychiatric disorder - index of definition**   
   1 1.0 1.0 1.0 0.001
   2 1.70 (1.02, 2.83) 2.16 (1.15, 4.02) 1.77 (1.20, 2.61)  
   3 - 7 1.80 (1.01, 3.22) 2.03 (1.09, 3.75) 1.84 (1.22, 2.78)  
Psychiatric disorder - index of definition** (Excluding schizophrenia cases*)  
1 1.0 1.0 1.0 0.002
2 1.74 (1.04, 2.91) 2.20 (1.17, 4.13) 1.81 (1.22, 2.67)  
3 - 7 1.78 (0.99, 3.20) 1.98 (1.06, 3.69) 1.81 (1.19, 2.75)  
Psychiatric disorder - index of definition** (censoring external causes)  
1 1.0 1.0 1.0 0.002
2 1.75 (1.01, 3.03) 2.62 (1.37, 5.02) 1.91 (1.27, 2.90)  
3 - 7 1.67 (0.88, 3.16) 2.26 (1.17, 4.36) 1.84 (1.18, 2.86)  
Psychiatric disorder - index of definition** (censoring external causes and excluding schizophrenia cases *)  
1 1.0 1.0 1.0 0.003
2 1.80 (1.04, 3.12) 2.69 (1.39, 5.18) 1.96 (1.29, 2.98)  
3 - 7 1.64 (0.86, 3.13) 2.20 (1.13, 4.31) 1.80 (1.15, 2.82)  
  1. *22 cases of schizophrenia (of whom 3 had died) were excluded from model 2 and 4.
  2. ** Index of definition: 1 = no symptoms; 2 = 1-4 symptoms; 3-7 = 5 or more symptoms