| BLBC | SLBC | DC | NLBC | F or χ2 | P value |
---|---|---|---|---|---|---|
Emotional symptoms (0–10)a | 3.6 (2.2) | 3.4 (2.2) | 4.0 (2.4) | 3.1 (2.2) | 21.11 |  < 0.001 |
Conduct problems (0–10)b | 2.5 (1.6) | 2.5 (1.7) | 2.8 (1.8) | 2.3 (1.6) | 10.90 |  < 0.001 |
Hyperactivity (0–10)c | 3.9 (2.2) | 4.0 (2.2) | 4.5 (2.3) | 3.6 (2.2) | 19.57 |  < 0.001 |
Peer problems (0–10)d | 2.7 (1.7) | 2.7 (1.7) | 2.9 (1.8) | 2.5 (1.7) | 7.20 |  < 0.001 |
Total difficulties score (0–40)e | 12.7 (5.5) | 12.5 (5.6) | 14.2 (6.0) | 11.5 (5.5) | 27.64 |  < 0.001 |
Pro-social (0–10)f | 7.0 (2.0) | 7.0 (2.1) | 6.8 (2.1) | 7.1 (2.0) | 4.68 | 0.003 |
Internalizing problems (0–20)g | 6.2 (3.2) | 6.1 (3.2) | 6.9 (3.4) | 5.6 (3.1) | 21.47 |  < 0.001 |
Externalizing problems (0–20)h | 6.4 (3.3) | 6.4 (3.3) | 7.3 (3.5) | 5.9 (3.4) | 20.17 |  < 0.001 |
Non-suicidal self-injuryi | 15.05 | 0.002 | ||||
 Yes | 158 (15.4) | 181 (13.7) | 86 (18.1) | 132 (11.4) |  |  |
 No | 868 (84.6) | 1141 (86.3) | 389 (81.9) | 1028 (88.6) |  |  |
Suicidal ideationj | 26.17 | 0.002 | ||||
 I do not have any thoughts of killing myself | 761 (74.2) | 959 (72.7) | 319 (67.2) | 900 (77.7) |  |  |
 I have thoughts of killing myself, but I would not carry them out | 242 (23.6) | 319 (24.2) | 142 (29.9) | 237 (20.4) |  |  |
 I would like to kill myself | 18 (1.8) | 29 (2.2) | 7 (1.5) | 17 (1.5) |  |  |
 I would kill myself if I had the chance | 5 (0.5) | 12 (0.9) | 7 (1.5) | 5 (0.4) |  |  |