Univariate model | Multivariate model | |||
P value | OR, 95% CI | P value | OR, 95% CI | |
Father’s education level | ||||
No higher than junior high school | Ref | Ref | – | – |
Higher than junior high school | 0.653 | 0.96 (0.81 to 1.14) | – | – |
Mother’s education level | ||||
No higher than junior high school | Ref | Ref | – | – |
Higher than junior high school | 0.581 | 0.95 (0.80 to 1.12) | – | – |
Father’s work status | ||||
Unemployed | Ref | Ref | – | – |
Employed | 0.521 | 0.88 (0.59 to 1.31) | – | – |
Mother’s work status | ||||
Unemployed | Ref | Ref | Ref | Ref |
Employed | 0.027 | 1.32 (1.03to 1.68) | 0.019 | 1.37 (1.05 to 1.79) |
Household annual income (RMB) | ||||
<RMB100 000 | Ref | Ref | Ref | Ref |
≥RMB100 000 | 0.001 | 0.62 (0.47to 0.83) | 0.041 | 0.73 (0.55to 0.99) |
Private vehicle | ||||
0 | Ref | Ref | Ref | Ref |
≥1 | <0.001 | 0.54 (0.45to 0.64) | <0.001 | 0.56 (0.46to 0.68) |
Distance from home to school (metre) | ||||
<1500 | Ref | Ref | Ref | Ref |
≥1500 | <0.001 | 0.13 (0.11to 0.16) | <0.001 | 0.13 (0.11 to 0.16) |
Adjusted by distance from household to school (1500m)
Results in bold indicate statistical significance at p-value ≤0.05.
ATS, active travel to school.