|
| Regression coefficient | Standard error | t value | p value |
| Intercept | −5.511 × 10−15 | 1.939 × 10−2 | 0 | 1 |
| Length of train lines | 0.22887 | 3.795 × 10−2 | 6.027 | 1.94 × 10−9 |
| Number of connecting operation stations | 6.740 × 10−2 | 3.372 × 10−2 | 1.998 | 0.045790 |
| Length of through service sections | 6.379 × 10−2 | 4.145 × 10−2 | 1.539 | 0.123939 |
| Number of transported passengers per hour during peak hours | 8.846 × 10−2 | 2.793 × 10−2 | 3.167 | 0.001559 |
| Number of trains according to type | −0.1383 | 2.790 × 10−2 | −4.956 | 7.72 × 10−7 |
| Number of connecting operation stations | −0.1562 | 5.367 × 10−2 | −2.909 | 0.003658 |
| Length of lines with connecting operation | 0.1894 | 5.469 × 10−2 | 3.463 | 0.000544 |