Skip to main content

Table 1 Suicide in young adults aged 18–34 years: distribution and bivariate associations with study factors (84 cases, 250 controls) 2003–2008, New South Wales (Australia)

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

  Males Females
  Cases Controls   Cases Controls   
  % n/N* % n/N* OR (95%CI) P value % n/N* % n/N* OR (95%CI) P value
ICD mental disorder
Substance use disorder
No 54.9 39/71 82.4 84/102 1.00   69.2 9/13 90.5 134/148 1.00  
Yes 45.1 32/71 17.6 18/102 3.47 (1.71-7.03) <0.001 30.8 4/13 9.5 14/148 4.26 (1.12-16.24) 0.034
Affective disorder .       .      
No 60.6 43/71 88.2 90/102 1.00   61.5 8/13 89.2 132/148 1.00  
Yes 39.4 28/71 11.8 12/102 4.26 (1.95-9.27) <0.001 38.5 5/13 10.8 16/148 4.97 (1.45-17.05) 0.011
Anxiety disorder .       .      
No 84.5 60/71 97.1 99/102 1.00   69.2 9/13 95.9 142/148 1.00  
Yes 15.5 11/71 2.9 3/102 5.45 (1.38-21.47) 0.015 30.8 4/13 4.1 6/148 18.68 (3.13-111.34) 0.001
Family history of mental illness
Substance use .       .      
No 60.6 43/71 82.4 84/102 1.00   84.6 11/13 81.1 120/148 1.00  
Yes 39.4 28/71 17.6 18/102 3.21 (1.51-6.82) 0.003 15.4 2/13 18.9 28/148 0.74 (0.15-3.59) 0.706
Depression .       .      
No 52.1 37/71 68.6 70/102 1.00   46.2 6/13 67.6 100/148 1.00  
Yes 47.9 34/71 31.4 32/102 2.11 (1.10-4.04) 0.024 53.8 7/13 32.4 48/148 2.21 (0.70-7.04) 0.179
Anxiety .       .      
No 76.1 54/71 86.3 88/102 1.00   84.6 11/13 85.8 127/148 1.00  
Yes 23.9 17/71 13.7 14/102 2.12 (0.94-4.79) 0.071 15.4 2/13 14.2 21/148 1.05 (0.21-5.25) 0.950
Any mental illness .       .      
No 32.4 23/71 52.9 54/102 1.00   38.5 5/13 58.1 86/148 1.00  
Yes 67.6 48/71 47.1 48/102 2.43 (1.26-4.69) 0.008 61.5 8/13 41.9 62/148 2.09 (0.64-6.83) 0.221
Socio-demographic factors
Socio-economic status+             
High 16.9 12/71 29.0 29/100 1.00   15.4 2/13 25.3 37/146 1.00  
Middle 29.6 21/71 36.0 36/100 1.74 (0.72-4.22) 0.222 15.4 2/13 28.1 41/146 1.07 (0.14-8.09) 0.951
Low 53.5 38/71 35.0 35/100 3.77 (1.58-9.00) 0.003 69.2 9/13 46.6 68/146 4.75 (0.93-24.34) 0.062
Marital status .       .      
Married, de facto 16.9 12/71 34.3 35/102 1.00   7.7 1/13 47.3 70/148 1.00  
Divorced, separated 19.7 14/71 3.9 4/102 9.07 (2.45-33.62) 0.001 23.1 3/13 2.7 4/148 35.89 (3.11-414.73) 0.004
Never married 63.4 45/71 61.8 63/102 4.97 (1.98-12.47) 0.001 69.2 9/13 50.0 74/148 22.68 (2.44-210.95) 0.006
  1. OR = 1.00 (Referent group).
  2. *‘n’ refers to number of cases/controls in each exposure category. ‘N’ refers to total number of cases/controls.
  3. + Socio-economic status based on composite measure of household income and educational achievement.