Table 1 The respondent characteristics
Variable | Category | N | Percentage |
|---|---|---|---|
Gender | male | 730 | 62.3% |
| 听 | female | 442 | 37.7% |
Age (year) | 听 | 听 | 听 |
| 听 | 18鈥�20 | 960 | 81.9% |
| 听 | 21鈥�23 | 197 | 16.8% |
| 听 | &驳迟;鈥�23 | 15 | 1.3% |
Academic year | 听 | 听 | 听 |
| 听 | freshman year | 539 | 46.0% |
| 听 | sophomore year | 508 | 43.3% |
| 听 | junior year | 115 | 9.8% |
| 听 | senior year | 7 | 0.6% |
| 听 | others | 3 | 0.3% |
Physical activity in the last month | 听 | 听 | 听 |
| 听 | no | 22 | 1.9% |
| 听 | yes | 1150 | 98.1% |
Short video usage in the last month | 听 | 听 | 听 |
| 听 | no | 0 | 0.0% |
| 听 | yes | 1172 | 100.0% |
Short video usage during nighttime | 听 | 听 | 听 |
| 听 | no | 6 | 0.5% |
| 听 | yes | 1166 | 99.5% |
Short video usage during daytime | 听 | 听 | 听 |
| 听 | no | 3 | 0.3% |
| 听 | yes | 1169 | 99.7% |
Short video usage during study time | 听 | 听 | 听 |
| 听 | no | 75 | 6.4% |
| 听 | yes | 1097 | 93.6% |
Short video usage during leisure time | 听 | 听 | 听 |
| 听 | no | 47 | 4.0% |
| 听 | yes | 1125 | 96.0% |
| 听 | 听 | Mean | SD |
Physical activity (score) | 听 | 10.68 | 8.63 |
Overall short video usage (score) | 听 | 28.32 | 15.62 |
Short video usage during nighttime (score) | 听 | 19.26 | 13.05 |
Short video usage during daytime (score) | 听 | 23.53 | 14.80 |
Short video usage during study time (score) | 听 | 16.89 | 15.17 |
Short video usage during leisure time (score) | 听 | 22.25 | 14.64 |
Short video addiction (score) | 听 | 21.12 | 7.03 |
PHQ-9 (score) | 听 | 5.96 | 4.07 |