Table 1 Demographic information and self-harm risks of people with or without self-harm
|  | Case (n = 147) | Control (n = 284) | X 2/t * | p-values |
|---|---|---|---|---|
Age, mean ± S.D. | 35.6 ± 13.9 | 38.3 ± 15.3 | 1.81 | 0.07 |
Gender (%) | Â | Â | Â | Â |
  Female | 106 (72.1) | 184 (64.8) | 2.36 | 0.13 |
  Male | 41 (27.9) | 100 (35.2) |  |  |
Marital status (%) | Â | Â | 27.83 | <0.001 |
  Single | 56 (38.1) | 152 (53.5) |  |  |
  Married/cohabitated | 61 (41.5) | 115 (40.5) |  |  |
  Divorced/separated/widowed | 30 (20.4) | 17 (6.0) |  |  |
Education years, mean ± S.D. | 11.1 ± 3.1 | 13.7 ± 3.5 | 7.41 | <0.001 |
Religious belief (%) | Â | Â | 1.11 | 0.78 |
  None | 61 (41.5) | 121 (42.6) |  |  |
  Christianity/Catholic | 15 (10.2) | 39 (13.7) |  |  |
  Buddhism/Daoism | 70 (43.0) | 122 (43.0) |  |  |
  Other | 1 (0.7) | 2 (0.7) |  |  |
Self-harm methods (%) | Â | - | Â | Â |
  Prescribed medication | 96 (65.3) |  |  |  |
  Non-prescribed medication | 12 (8.2) |  |  |  |
  Self-cutting | 37 (25.2) |  |  |  |
  With alcohol consumption | 26 (17.7) |  |  |  |
  Charcoal burning | 11 (7.5) |  |  |  |
  Chemical substance poisons | 5 (3.4) |  |  |  |
  Drowning/suffocation | 2 (1.4) |  |  |  |
The CSPS scores/items | 4.54 ± 1.94 | 1.60 ± 1.11 | −20.10 | <0.001 |
High-risk group^ | 72 (49.0) | 7 (2.5) | 197.99 | <0.001 |
  1: Sex | 41 (27.9) | 100 (35.2) | 2.36 | 0.13 |
  2: Age | 45 (30.6) | 102 (35.9) | 1.21 | 0.27 |
  3: Depression/service use | 96 (65.3) | 19 (6.7) | 170.24 | <0.001 |
  4: Prior self-harm/suicide | 110 (74.8) | 28 (9.9) | 187.85 | <0.001 |
  5: Ethanol or drug use | 50 (34.0) | 4 (1.4) | 93.96 | <0.001 |
  6: Rational thinking loss | 5 (3.4) | 1 (0.4) | 6.56 | 0.01 |
  7: Separated/widowed/divorced | 100 (68.0) | 169 (59.5) | 3.00 | 0.08 |
  8: Organized act | 15 (10.2) | 0 (0) | 30.03 | <0.001 |
  9: No social supports | 31 (21.1) | 4 (1.4) | 50.28 | <0.001 |
  10: Stated future intent | 30 (20.4) | 2 (0.7) | 54.71 | <0.001 |