Research Article
Off-Ramp Vehicle Mandatory Lane-Changing Duration in Small Spacing Section of Tunnel-Interchange Section Based on Survival Analysis
Table 5
Estimation results of Cox model parameters.
| Covariate | β | SE | Wald | Sig. | Exp (β) | 95% confidence interval | Lower | Upper |
| X 21 | −1.738 | 0.274 | 40.133 | 0.000 | 0.176 | 0.103 | 0.301 | X 22 | −2.360 | 0.299 | 62.023 | 0.001 | 0.094 | 0.053 | 0.170 | X 23 | −2.096 | 0.311 | 69.683 | 0.294 | 0.125 | 0.041 | 0.137 | X 51 | 0.689 | 0.201 | 11.727 | 0.000 | 1.992 | 0.339 | 0.745 | X 52 | 1.556 | 0.231 | 45.394 | 0.030 | 4.739 | 0.134 | 0.332 | X 61 | 0.588 | 0.170 | 11.951 | 0.001 | 1.800 | 1.290 | 2.511 |
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