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Table 2 Relation of suicide to mental disorders and socio-economic status in young adults aged 18–34 years, odds ratio (OR) from multivariate models (2003–2008, New South Wales, Australia)

From: Suicide in young adults: psychiatric and socio-economic factors from a case–control study

  OR (95%CI) (a) P value OR (95%CI) (b) P value OR (95%CI) (c) P value
Males      
Substance use disorder      
No 1.00   1.00   1.00  
Yes 3.58 (1.60-7.99) 0.002 3.26 (1.45-7.36) 0.004 2.62 (1.11-6.15) 0.027
Affective disorder       
No 1.00   1.00   1.00  
Yes 3.08 (1.31-7.26) 0.010 3.63 (1.48-8.91) 0.005 2.80 (1.10-7.14) 0.030
Anxiety disorder       
No 1.00   1.00   1.00  
Yes 5.91 (1.38-25.26) 0.017 5.25 (1.18-23.45) 0.030 4.13 (0.85-20.22) 0.080
Socio-economic status       
High 1.00     1.00  
Mid 1.58 (0.61-4.09) 0.350    1.62 (0.58-4.53) 0.357
Low 3.08 (1.21-7.82) 0.018    2.92 (1.04-8.16) 0.042
Linear trend 1.77 (1.12-2.81) 0.015    1.72 (1.03-2.85) 0.037
Females       
Substance use disorder      
No 1.00   1.00   1.00  
Yes 2.24 (0.51-9.95) 0.287 2.57 (1.39-4.78) 0.003 1.12 (0.17-7.58) 0.905
Affective disorder       
No 1.00   1.00   1.00  
Yes 4.41 (0.95-20.56) 0.059 5.14 (2.56-10.30) <0.001 1.28 (0.15-11.08) 0.825
Anxiety disorder       
No 1.00   1.00   1.00  
Yes 33.67 (4.29-264.17) 0.001 67.93 (14.03-328.79) <0.001 43.55 (2.56-741.34) 0.009
Socio-economic status+       
High 1.00     1.00  
Mid 1.52 (0.17-13.61) 0.706    0.88 (0.08-10.00) 0.918
Low 4.78 (0.73-31.35) 0.103    5.18 (0.68-39.59) 0.113
Linear trend 2.29 (1.10-5.87) 0.082    2.59 (0.92-7.33) 0.073
  1. OR = 1.00 (Referent group).
  2. (a) Adjusted for marital status + family history.
  3. (b) Adjusted for marital status + family history + socio-economic status.
  4. (c) Adjusted for marital status + family history + socio-economic status + mental disorders.
  5. + Socio-economic status based on composite measure of household income and educational achievement.