Skip to main content

Table 1 Sociodemographic and clinical characteristics of cases of suicide attempters

From: Psychiatric assessment of suicide attempters in Japan: a pilot study at a critical emergency unit in an urban area

   Male(N = 126) Female(N = 194) Analysis
   N (%) N (%) χ df P-value
Age       
  < 20 4 (3) 14 (7)    n.s.
  20–29 31 (25) 75 (39)    n.s.
  30–39 29 (23) 46 (24)    n.s.
  40–49 20 (16) 24 (12)    n.s.
  50–59 23 (18) 15 (8) 8.1 1 < 0.01
  60–64 6 (5) 5 (3)    n.s.
  65 13 (10) 15 (8)    n.s.
  Median 39.0 30.5    
  Mean§ 42.5 ± 16.0 35.6 ± 15.3 z = -4.1   < 0.001
Stay in hospital (days)       
  Mean§ 20.2 ± 44.5 16.0 ± 28.5    n.s.
Marital status       n.s.
  Single 56 (44) 75 (39)    
  Married 41 (33) 67 (35)    
  Divorced 16 (13) 22 (11)    
  Widowed 0 (0) 3 (2)    
  Common-law 5 (4) 16 (8)    
Current psychiatric treatment     9.4 2 < 0.01
  Outpatient 63 (50) 141 (73)    
  Hospitalization 2 (2) 2 (1)    
  No treatment 56 (44) 33 (17)    
Living status     13.9 1 < 0.001
  Alone 40 (32) 162 (84)    
  Together 83 (66) 28 (14)    
Education       n.s.
  Compulsory education * 27 (21) 51 (26)    
  High school education and over 79 (63) 128 (66)    
Previous deliberate self harm     11 2 < 0.01
  0 87 (69) 97 (50)    
  1 6 (5) 19 (10)    
  > 2 24 (19) 66 (34)    
Previous suicide attempt     11 2 < 0.01
  0 83 (66) 85 (44)    
  1 19 (15) 48 (25)    
  > 2 15 (12) 48 (25)    
Family history of suicide/attempt   15 (12) 29 (15)    n.s.
Methods       
  Drug over dose 45 (36) 111 (57) 14.1 1 < 0.001
  Laceration 30 (24) 22 (11) 8.7 1 < 0.01
  Jumping from high place 13 (10) 29 (15) 1.4 1 < 0.05
  Poisoning 8 (6) 16 (8)    n.s.
  Inhaling carbon monoxide 11 (9) 2 (1)    
  Burn 6 (5) 3 (2)    
  Traffic death 3 (2) 5 (3)    
  Hanging 4 (3) 3 (2)    
  Drowning 4 (3) 1 (1)    
  Other 2 (2) 2 (1)    
  Firearm 0 (0) 0 (0)    
  1. * Compulsory education lasts for 9 years; statutory schooling ages are between 6 and 14 years in Japan. §Mann-Whitney U test