Table 1. Characteristics of the sample among Chinese college students.
| Total | Male(n = 1973) | Female(n = 2774) | p value | |
|---|---|---|---|---|
| Age | 19.24±1.41 | 19.26±1.40 | 19.22±1.41 | 0.000 |
| BMI | 20.35±2.54 | 21.18±2.91 | 19.76±2.04 | 0.000 |
| Residential background | 0.262 | |||
| Rural | 2680(56.5) | 1095(55.5) | 1585(57.1) | |
| Urban | 2067(43.5) | 878(44.5) | 1189(42.9) | |
| Perceived family economy | 0.089 | |||
| Low | 1490(31.4) | 651(33.0) | 839(30.2) | |
| Medium | 3032(63.9) | 1237(62.7) | 1795(64.7) | |
| High | 225(4.7) | 85(4.3) | 140(5.0) | |
| Perceived study burden | 0.000 | |||
| Low | 2238(47.1) | 874(44.3) | 1364(49.2) | |
| Medium | 2458(51.8) | 1063(53.9) | 1395(50.3) | |
| High | 51(1.1) | 36(1.8) | 15(0.5) | |
| ST | 0.387 | |||
| ≤2h/day | 3758(79.2) | 1550(78.6) | 2208(79.6) | |
| >2h/day | 989(20.8) | 423(21.4) | 566(20.4) | |
| PA | 0.000 | |||
| Low | 4381(92.3) | 1688(85.6) | 2693(97.1) | |
| High | 366(7.7) | 285(14.4) | 81(2.9) | |
| PA rank | 0.000 | |||
| Low | 3266(68.8) | 1123(56.9) | 2143(77.3) | |
| Medium | 966(20.3) | 466(23.6) | 500(18.0) | |
| High | 515(10.8) | 384(19.5) | 131(4.7) | |
| Anxiety | 772(16.3) | 344(17.4) | 428(15.4) | 0.065 |
| Depression | 754(15.9) | 320(16.2) | 434(15.6) | 0.594 |
| Psychopathological symptoms | 823(17.3) | 373(18.9) | 450(16.2) | 0.016 |
| Poor sleep | 464(9.8) | 181(9.2) | 283(10.2) | 0.240 |
Values are presented as mean±SD or number(percentage) when appropriate.
BMI: body mass index. ST: screen time. PA: physical activity.