表 1. Incidence of depression.
Incidence of depression
抑郁症状检出率
| Demographic characteristic | n | Depression/ case (%) |
χ 2 | P |
| CNY: Chinese yuan. | ||||
| Sex | 0.809 | 0.368 | ||
| Male | 1603 | 403 (25.14) | ||
| Female | 1417 | 364 (25.69) | ||
| Grade | 9.837 | 0.020 | ||
| Fifth grade | 427 | 105 (24.59) | ||
| Sixth grade | 399 | 93 (23.31) | ||
| Seventh grade | 1155 | 299 (25.89) | ||
| Eighth grade | 1039 | 270 (25.99) | ||
| Region | 23.676 | <0.001 | ||
| Urban | 1689 | 412 (24.39) | ||
| Rural | 1331 | 355 (26.67) | ||
| Monthly household income/CNY | 19.397 | 0.001 | ||
| <2000 | 61 | 15 (24.59) | ||
| 2000-4999 | 366 | 93 (25.41) | ||
| 5000-9999 | 667 | 158 (23.69) | ||
| 10000-19999 | 1721 | 453 (26.32) | ||
| ≥20000 | 205 | 48 (23.41) | ||