Table 2 The mental health status of high school students
| Â | Normal | Mild abnormal | Moderate abnormal | Severe abnormal | Total abnormal |
|---|---|---|---|---|---|
Students in grades 7–9 (n = 832) | 503 (60.5) | 245 (29.4) | 71 (8.5) | 13 (1.6) | 329 (39.5) |
Students in grades 10–12(n = 805) | 434 (53.9) | 307 (38.1) | 62 (7.7) | 2 (0.2) | 371 (46.1) |
χ2 | 20.281 | ||||
P | 0.000 | ||||