Table 3.
Suicide Methods among the Three Groups Different on Psychiatric Diagnoses
| Suicide Methods | Freq. (%)
|
χ2 | P | (1) vs. (2)
|
(1) vs. (3)
|
(2) vs. (3)
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Schizophrenia group (1) (n=38) | Other group (2) (n=150) | Non group (3) (n=204) | χ2 | Pa | χ2 | Pa | χ2 | Pa | |||
| Violent Methods | 6 (15.8%) | 27 (18.0%) | 19 (9.3%) | 7.248b | 0.503 | 2.213 b | 0.693 | 2.178b | 0.432 | 3.647b | 0.481 |
| Wrist cutting | 0 (0.0%) | 2 (1.3%) | 0 (0.0%) | ||||||||
| Hanging | 4 (10.5%) | 20 (13.3%) | 16 (7.8 %) | ||||||||
| Jumping | 2 (5.3%) | 3 (2.0%) | 2 (1.0%) | ||||||||
| Electronic | 0 (0.0%) | 0 (0.0%) | 1 (0.5%) | ||||||||
| Railway | 0 (0.0%) | 2 (1.3%) | 0 (0.0%) | ||||||||
| Non-violent Methods | 27 (71.1%) | 113 (75.3%) | 180 (88.2%) | 15.908b | 0.062 | 7.472 b | 0.075 | 10.801b | 0.016 | 4.329b | 0.508 |
| Pesticides | 17 (44.7%) | 94 (62.7%) | 148 (72.6%) | ||||||||
| Other Poison | 2 (5.3%) | 6 (4.00%) | 17 (8.3%) | ||||||||
| Drowning | 5 (13.2%) | 8 (5.3%) | 9 (4.4%) | ||||||||
| Overdose | 3 (7.9%) | 4 (2.7%) | 5 (2.5%) | ||||||||
| Gas | 0 (0.0 %) | 0 (0.0%) | 1 (0.5%) | ||||||||
| Suffocation | 0 (0.0 %) | 1 (0.7%) | 0 (0.00%) | ||||||||
| Other Methods/Don’t know | 5 (13.2%) | 10 (6.7 %) | 5 (2.5 %) | 7.948 | 0.019 | 0.968 | 0.325 | 6.764 | 0.009 | 3.786 | 0.052 |
|
|
|||||||||||
| Total | 38 | 150 | 204 | 14.980 | 0.005 | 1.571 b | 0.456 | 9.557 b | 0.006 | 141.680 | <0.001 |
Note:
a
indicated that the adjusted significant level was 0.0125 when the Chi-square segmentation method was used.
b
It is indicated that Fisher’s exact test was used.