Table 4. The characteristics of students who committed suicide for each class classified based on Latent Class Analysis.
| Variables | Class 1 (n = 333) | Class 2 (n = 25) | Class 3 (n = 28) | Class 4 (n = 142) | χ2 | |
|---|---|---|---|---|---|---|
| Gender | 5.891 | |||||
| Boys | 167 (50.2) | 15 (60.0) | 20 (71.4) | 69 (48.6) | ||
| Girls | 166 (49.8) | 10 (40.0) | 8 (28.6) | 73 (51.4) | ||
| Type of school | 20.410** | |||||
| Elementary school | 15 (4.5) | 1 (4.0) | 4 (14.3) | 2 (1.4) | ||
| Middle school | 99 (29.7) | 11 (44.0) | 15 (53.6) | 49 (34.5) | ||
| High school | 219 (65.8) | 13 (52.0) | 9 (32.1) | 91 (64.1) | ||
| Family type | 6.463 | |||||
| Parents | 253 (77.8) | 16 (69.6) | 19 (70.4) | 99 (73.9) | ||
| Single parent | 57 (17.5) | 7 (30.4) | 7 (25.9) | 32 (23.9) | ||
| Others | 15 (4.6) | 0 (0.0) | 1 (3.7) | 3 (2.2) | ||
| SES | 20.418** | |||||
| High | 29 (10.7) | 0 (0.0) | 5 (22.7) | 9 (8.1) | ||
| Middle | 187 (68.8) | 12 (57.1) | 7 (31.8) | 80 (71.4) | ||
| Low | 56 (20.5) | 9 (42.9) | 10 (45.5) | 23 (20.5) | ||
| Emotional behavior problems | 103.615*** | |||||
| Yes | 75 (25.7) | 19 (82.6) | 19 (73.1) | 94 (71.8) | ||
| No | 217 (74.3) | 4 (17.4) | 7 (26.9) | 37 (28.2) | ||
| Physical illness | 7.928* | |||||
| Yes | 48 (15.3) | 7 (30.4) | 7 (28.0) | 30 (23.8) | ||
| No | 265 (84.7) | 16 (69.6) | 18 (72.0) | 96 (76.2) | ||
| Mental illness | 94.332*** | |||||
| Yes | 31 (10.8) | 12 (57.1) | 8 (33.3) | 65 (53.3) | ||
| No | 257 (89.2) | 9 (42.9) | 16 (66.7) | 57 (46.7) | ||
| Trigger events | 14.817** | |||||
| Yes | 117 (43.5) | 14 (77.8) | 17 (73.9) | 48 (46.6) | ||
| No | 152 (56.5) | 4 (22.2) | 6 (26.1) | 55 (53.4) | ||
| Self-harm experience | 30.618*** | |||||
| Yes | 25 (9.0) | 6 (27.3) | 6 (28.6) | 35 (29.7) | ||
| No | 254 (91.0) | 16 (72.7) | 15 (71.4) | 83 (70.3) | ||
| Suicide attempt | 24.072*** | |||||
| Yes | 12 (4.6) | 5 (22.7) | 3 (14.3) | 22 (19.6) | ||
| No | 248 (95.4) | 17 (77.3) | 18 (85.7) | 90 (80.4) | ||
| Record of attendance | 65.181*** | |||||
| Good | 278 (84.2) | 14 (56.0) | 16 (57.1) | 68 (49.6) | ||
| Poor | 52 (15.8) | 11 (44.0) | 12 (42.9) | 69 (50.4) | ||
| Conduct problems | 44.568*** | |||||
| Yes | 26 (8.0) | 8 (33.3) | 13 (46.4) | 27 (20.0) | ||
| No | 300 (92.0) | 16 (66.7) | 15 (53.6) | 108 (80.0) | ||
| Depressive symptoms | 59.561*** | |||||
| Yes | 52 (17.8) | 13 (56.5) | 11 (42.3) | 68 (51.9) | ||
| No | 240 (82.2) | 10 (43.5) | 15 (57.7) | 63 (48.1) | ||
| Anxiety | 58.165*** | |||||
| Yes | 15 (5.1) | 8 (34.8) | 5 (19.2) | 41 (31.3) | ||
| No | 277 (94.9) | 15 (65.2) | 21 (80.8) | 90 (68.7) | ||
| Impulsiveness | 62.241*** | |||||
| Yes | 11 (3.8) | 8 (34.8) | 11 (42.3) | 28 (21.4) | ||
| No | 281 (96.2) | 15 (65.2) | 15 (57.7) | 103 (78.6) | ||
| Social problems | 64.952*** | |||||
| Yes | 5 (1.7) | 6 (26.1) | 8 (30.8) | 31 (23.7) | ||
| No | 287 (98.3) | 17 (73.9) | 18 (69.2) | 100 (76.3) | ||
The total number of each variable varies due to missing values; however, the total numbers of members of each class are as follows: Class 1 = 333, Class 2 = 25, Class 3 = 28, Class 4 = 142.
SES = Socio-economic status.
*P < 0.05, **P < 0.01, ***P < 0.001.