Table 4.
Variable | Wald χ 2 | OR | 95% CI | p value |
---|---|---|---|---|
Gender | ||||
Male | Ref | |||
Female | 5.99 | 1.62 | 1.10-2.37 | 0.014 |
Age | 1.76 | 1.11 | 0.95-1.28 | 0.185 |
Monthly family income (RMB) | ||||
<4000 | Ref | |||
4000-7000 | 45.94 | 0.05 | 0.02-0.11 | <0.001 |
>7000 | 106.26 | 0.01 | 0.01-0.15 | <0.001 |
Father’s educational status | ||||
Primary School | Ref | |||
Middle School | 0.42 | 0.82 | 0.44-1.51 | 0.521 |
High School | 2.32 | 0.61 | 0.32-1.16 | 0.134 |
University | 2.77 | 0.47 | 0.19-1.15 | 0.102 |
Weekly exercise time (hours) | ||||
<1 | Ref | |||
1-3 | 9.07 | 0.53 | 0.35-0.80 | 0.030 |
>3 | 16.27 | 0.25 | 0.13-0.49 | <0.001 |