Table 2.
Univariate analysis of SSBs consumption, duration of physical exercise, and depressive symptoms among Tibetan university students in high-altitude areas.
| Classification | N | No depressive symptoms | Mild depression symptoms | Moderate depression symptoms | Major depressive symptoms | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N (%) | χ 2 | p- value | N (%) | χ 2 | p- value | N (%) | χ 2 | p- value | N (%) | χ 2 | p- value | |||
| Boys | ||||||||||||||
| SSBs | ≤1 times/week | 1,541 | 983 (63.8) | 71.803 | <0.001 | 273 (17.7) | 1.23 | 0.541 | 277 (18.0) | 60.618 | <0.001 | 8 (0.5) | 23.534 | <0.001 |
| 2–4 times/week | 562 | 314 (55.9) | 97 (17.3) | 139 (24.7) | 12 (2.1) | |||||||||
| ≥5 times/week | 642 | 284 (44.2) | 125 (19.5) | 213 (33.2) | 20 (3.1) | |||||||||
| Duration of physical exercise | <30 min/d | 1820 | 999 (54.9) | 23.537 | <0.001 | 332 (18.2) | 0.273 | 0.872 | 452 (24.8) | 20.802 | <0.001 | 37 (2.0) | 12.992 | 0.001 |
| 30–60 min/d | 671 | 404 (60.2) | 120 (17.9) | 146 (21.8) | 1 (0.1) | |||||||||
| >60 min/d | 254 | 178 (70.1) | 43 (16.9) | 31 (12.2) | 2 (0.8) | |||||||||
| Girls | ||||||||||||||
| SSBs | ≤1 times/week | 2017 | 1,257 (62.3) | 129.11 | <0.001 | 404 (20.0) | 8.728 | 0.013 | 333 (16.5) | 117.442 | <0.001 | 23 (1.1) | 4.278 | 0.118 |
| 2–4 times/week | 912 | 487 (53.4) | 219 (24.0) | 190 (20.8) | 16 (1.8) | |||||||||
| ≥5 times/week | 585 | 211 (36.1) | 143 (24.4) | 218 (37.3) | 13 (2.2) | |||||||||
| Duration of physical exercise | <30 min/d | 2,833 | 1,472 (52) | 90.425 | <0.001 | 669 (23.6) | 39.653 | <0.001 | 651 (23.0) | 35.281 | <0.001 | 41 (1.4) | 23.784 | <0.001 |
| 30–60 min/d | 489 | 328 (67.1) | 86 (17.6) | 74 (15.1) | 1 (0.2) | |||||||||
| >60 min/d | 192 | 155 (80.7) | 11 (5.7) | 16 (8.3) | 10 (5.2) | |||||||||
| Total | ||||||||||||||
| SSBs | ≤1 times/week | 3,558 | 2,240 (63.0) | 193.476 | <0.001 | 677 (19.0) | 6.49 | 0.039 | 610 (17.1) | 172.757 | <0.001 | 31 (0.9) | 23.284 | <0.001 |
| 2–4 times/week | 1,474 | 801 (54.3) | 316 (21.4) | 329 (22.3) | 28 (1.9) | |||||||||
| ≥5 times/week | 1,227 | 495 (40.3) | 268 (21.8) | 431 (35.1) | 33 (2.7) | |||||||||
| Duration of physical exercise | <30 min/d | 4,653 | 2,471 (53.1) | 102.262 | <0.001 | 1,001 (21.5) | 27.427 | <0.001 | 1,103 (23.7) | 48.385 | <0.001 | 78 (1.7) | 19.442 | <0.001 |
| 30–60 min/d | 1,160 | 732 (63.1) | 206 (17.8) | 220 (19.0) | 2 (0.2) | |||||||||
| >60 min/d | 446 | 333 (74.7) | 54 (12.1) | 47 (10.5) | 12 (2.7) | |||||||||
N, Numbers; SSBs, Sugar-sweetened beverages.