| Regression coefficient | exp (regression coefficient) | Standard error | z value | p value |
Intercept | −3.9398350 | 1.945142 × 10−2 | 0.2772774 | −14.209 | <2 × 10−16 |
Length of train lines | 8.0389 × 10−3 | 1.00807135 | 2.4639 × 10−3 | 3.263 | 1.10 × 10−3 |
Number of through service train lines | 0.1462204 | 1.15745131 | 5.74517 × 10−2 | 2.545 | 1.092 × 10−2 |
Length of through service sections | 1.8572 × 10−3 | 1.00185888 | 8.337 × 10−4 | 2.228 | 2.590 × 10−2 |
Transportation capacity for each train during peak hours | 1.2679 × 10−3 | 1.00126873 | 2.336 × 10−4 | 5.427 | 5.72 × 10−8 |
Number of stairs and escalators in terminal stations | 7.02043 × 10−2 | 1.07272733 | 4.67139 × 10−2 | 1.503 | 0.13288 |
Average number of tracks | −0.1895380 | 0.82734129 | 4.80941 × 10−2 | −3.941 | 8.11 × 10−5 |
Number of connecting operation stations | 2.97481 × 10−2 | 1.03019500 | 9.7559 × 10−3 | 3.049 | 2.29 × 10−3 |