Table 1 Descriptive statistics for depressive symptoms in the study sample
Depressive symptoms | Never | Once or twice | Many times | Chi-square test | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | boys | girls | boys | girls | boys | girls | Â | ||||||
| Â | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | Â |
1. Didn't feel like eating | 713 | (56.9) | 656 | (54.9) | 483 | (38.5) | 497 | (41.6) | 58 | (4.6) | 42 | (3.5) | 3.714 |
2. Felt very sad | 457 | (36.4) | 344 | (28.8) | 676 | (53.9) | 689 | (57.7) | 121 | (9.6) | 161 | (13.5) | 20.280*** |
3. Cried for no reason | 1056 | (84.3) | 876 | (73.4) | 166 | (13.2) | 262 | (22.0) | 31 | (2.5) | 55 | (4.6) | 43.555*** |
4. Found it hard to carry out tasks | 546 | (43.6) | 570 | (47.8) | 556 | (44.4) | 531 | (44.5) | 151 | (12.1) | 92 | (7.7) | 13.953** |
5. Felt frightened | 968 | (77.2) | 832 | (69.6) | 250 | (19.9) | 309 | (25.9) | 36 | (2.9) | 54 | (4.5) | 18.692*** |
6. Didn't sleep well | 774 | (61.8) | 726 | (60.8) | 376 | (30.0) | 391 | (32.7) | 103 | (8.2) | 78 | (6.5) | 3.910 |
7. Lacked motivation | 596 | (47.5) | 526 | (44.0) | 529 | (42.2) | 556 | (46.5) | 129 | (10.3) | 113 | (9.5) | 4.678 |
| Â | Whole sample | Boy | Girl | T-test | |||||||||
depressive symptoms score(7~21points) | n = 2441 mean = 10.56 SD = 2.66 | n = 1251 mean = 10.42 SD = 2.58 | n = 1190 mean = 10.71 SD = 2.73 | -2.65** | |||||||||