Table 1 The differences in demographic variables among different groups of physical activities.
Variables | Total (n = 154) | Insufficient physical activity (n = 100) | Sufficient physical activity (n = 54) | Difference Test | |
|---|---|---|---|---|---|
Age / years | 19.500 ± 1.080 | 19.59 ± 1.074 | 19.33 ± 1.082 | t = 1.412, P = 0.080 | |
Gender | Male | 59(38.36%) | 29(29.0%) | 30(55.56%) | X2 = 8.416, P = 0.004 |
Female | 95(61.64%) | 71(71.0%) | 24(44.44%) | ||
Height / meters | 1.709 ± 0.063 | 1.713 ± 0.044 | 1.702 ± 0.088 | t = 1.005, P = 0.317 | |
Weight / kg | 60.241 ± 8.153 | 60.529 ± 6.984 | 59.707 ± 10.018 | t = 0.595, P = 0.552 | |
BMI / (kg/m2) | 20.275 ± 2.989 | 20.114 ± 3.028 | 20.573 ± 2.920 | t=−0.909, P = 0.365 | |
Smoking / Yes (%) | 24.0% | 24.0% | 24.0% | X2 = 0.008, P = 0.928 | |
Drinking / Yes (%) | 3.9% | 4.0% | 4.0% | X2 = 0.002, P = 0.992 | |
Residence registration / Urban (%) | 72.7% | 73.0% | 72.0% | X2 = 0.011, P = 0.918 | |
Only child / Yes (%) | 55.2% | 55.0% | 56.0% | X2=−0.004, P = 0.947 | |
Single-parent family / Yes (%) | 7.8% | 9.0% | 6.0% | X2 = 0.578, P = 0.447 | |
BDI score | 16.455 ± 3.047 | 17.245 ± 3.112 | 15.245 ± 2.512 | t = 4.142, P<0.001 | |
