Table 2 Descriptive statistics and univariate analysis.
From: Electronic device use and depressive symptoms in college students mediated by sleep onset time
Variable | Frequency | Percentage (%) | p-value |
|---|---|---|---|
Depression score | 19.2 ± 2.5 | ||
Electronic device use duration | 6.7 ± 2.8 | < 0.001 | |
Sleep onset time | |||
Before 21:00 | 29 | 2.5 | < 0.001 |
21:00–22:00 | 102 | 8.79 | |
22:00–23:00 | 303 | 26.12 | |
23:00–00:00 | 459 | 39.57 | |
After 00:00 | 267 | 23.02 | |
Weekly exercise frequency | |||
0 | 109 | 9.4 | < 0.001 |
1 | 195 | 16.8 | |
2 | 288 | 24.8 | |
3 | 251 | 21.6 | |
4 | 64 | 5.5 | |
5 | 131 | 11.3 | |
6 | 24 | 2.1 | |
7 | 98 | 8.4 | |
Gender | |||
Male | 469 | 40.3 | 0.155 |
Female | 691 | 59.7 | |
Age | 20.2 ± 2.2 | < 0.05 | |
Place of residence | |||
Urban | 653 | 56.29 | 0.091 |
Rural | 507 | 43.71 | |
Smoking status | |||
Yes | 69 | 5.95 | 0.303 |
No | 1091 | 94.05 | |
Alcohol consumption | |||
Yes | 451 | 38.8 | 0.503 |
No | 709 | 61.12 | |
Self-rated health status | |||
Very good | 345 | 29.74 | < 0.001 |
Good | 426 | 36.72 | |
Average | 261 | 31.12 | |
Poor | 20 | 1.72 | |
Very poor | 8 | 0.69 | |
Chronic disease status | |||
Yes | 193 | 16.64 | < 0.001 |
No | 967 | 83.36 | |
