Screen time (hours/day) | Increased use | |||
---|---|---|---|---|
≤2 hours/day | >2 hours/day | No | Yes | |
n | 1306 | 1215 | 1435 | 1086 |
Female (%) | 52.7 | 53.1 | 54.1 | 51.2 |
Urban (%) | 44.8 | 46.2 | 45.9 | 44.9 |
Low family income (%) | 33.5 | 28.3 | 29.1 | 33.5 |
Age (SD), years | 18.47 (0.99) | 18.39 (0.93) | 18.39 (0.94) | 18.48 (0.98) |
BMI (SD), kg/m2 | 20.46 (2.63) | 20.39 (2.65) | 20.37 (2.64) | 20.50 (2.63) |
Poor sleep quality (%) | 9.1 | 9.2 | 9.7 | 8.5 |
Smoking (%) | 22.1 | 29.2 | 27.2 | 23.3 |
Alcohol intake (%) | 55.7 | 48.2 | 63.3 | 56.4 |
Exercise after school (%) | 59.6 | 51.1 | 52.4 | 59.6 |
High PA (%) | 33.8 | 30.6 | 31.1 | 33.7 |
BMI, body mass index; PA, physical activity.