Table 2.
The comparison of mental health problems and behaviors among 4 groups.
| Total | G1 | G2 | G3 | G4 | F/χ2 | p | |
|---|---|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | N (%) | |||
| Depression (PHQ-9 score: ≥ 5) | 31,564 (38.1) [37.6–38.6] | 218 (44.3) | 364 (40.6) | 21,148 (39.1) | 9,834 (35.9) | 87.553 | <0.001 |
| Anxiety (GAD-7 score: ≥ 5) | 26,391 (31.8) [31.2–32.4] | 186 (37.8) | 319 (35.6) | 17,866 (33.0) | 8,020 (29.3) | 129.972 | <0.001 |
| PTSD (PCL-5 score: ≥ 33) | 28,112 (33.9) [33.4–34.4] | 198 (40.2) | 340 (37.9) | 18,856 (34.8) | 8,718 (31.8) | 88.442 | <0.001 |
| Insomnia (ISI score: ≥ 8) | 28,178 (34.0) [75.7–76.3] | 193 (39.2) | 325 (36.3) | 18,496 (34.2) | 9,164 (33.5) | 12.185 | 0.007 |
| Lifetime Suicide Ideation | 21,292 (25.7) | 142 (28.9) | 270 (30.1) | 14,453 (26.7) | 6,427 (23.5) | 111.47 | <0.001 |
| Substance abuse | 2,302 (2.8) | 17 (3.5) | 24 (2.7) | 1,437 (2.7) | 824 (3.0) | 9.331 | 0.025 |
| Drinking | 8,579 (10.4) | 58 (11.8) | 101 (11.3) | 4,497 (8.3) | 3,923 (14.3) | 711.906 | <0.001 |
| Smoking | 3,007 (3.6) | 39 (7.9) | 71 (7.9) | 2,818 (5.2) | 2,477 (9.0) | 444.428 | <0.001 |
| School bullying | 19,190 (23.2) | 145 (29.5) | 256 (28.6) | 13,384 (24.7) | 5,405 (19.7) | 280.540 | <0.001 |
| Cyber bullying perpetration | 6,742 (8.1) | 55 (11.2) | 119 (13.3) | 4,275 (7.9) | 2,293 (8.4) | 43.972 | <0.001 |
| Cyber bullying victimization | 14,637 (17.7) | 101 (20.5) | 207 (23.1) | 9,720 (18.0) | 4,609 (16.8) | 37.198 | <0.001 |
G1, Participants who did not receive the COVID-19 vaccine; G2, Participants who received one dose of vaccine; G3, Participants who received two doses of vaccine; G4, Participants who received three or more doses of vaccine.