Table 4.
The comparison of "middle age"class and other classes except for "middle age"
| Middle age (n = 43) | except middle age(n = 277) | Analysis | ||||
| N (%) | N (%) | χ2 | df | P | ||
| Methods | ||||||
| Drug over dose | 11 (26) | 145 (52) | 10.7 | 1 | < 0.01 | |
| Laceration | 13 (30) | 39 (14) | 7.1 | 1 | 0.01 | |
| High lethality | 34 (79) | 191 (69) | 1.8 | 1 | 0.21 | |
| Education | 5.9 | 2 | 0.052 | |||
| Compulsory education | 7 (16) | 71 (26) | ||||
| High school education and over | 27 (63) | 180 (65) | ||||
| Axis I | ||||||
| Mood disorders | 16 (37) | 62 (22) | 4.4 | 1 | 0.054 | |
| Adjustment disorders | 3 (7) | 54 (19) | 4.0 | 1 | 0.053 | |
| Previous deliberate self harm | 6 (14) | 115 (42) | 12.1 | 2 | < 0.01 | |
| Current psychiatric treatment | 23 (53) | 185 (67) | 8.8 | 3 | < 0.05 | |