Journal of Advanced Transportation / 2018 / Article / Tab 5

Research Article

Survival Model of Drivers’ Speed Reduction Time at Bicycle Crossroads: A Driving Simulator Study

Table 5

Estimates of the Weibull AFT model with clustered heterogeneity for SRT.

VariableEstimateSEz - Statisticp-valueExp (β)95% Conf. Interval

[m/s2]-0.1420.018-7.850.0000.867-0.176-0.107
Drivers’ age [years]0.0060.003-2.150.0311.0060.0010.012
Countermeasure
Baseline condition-------
Raised island0.0520.0610.850.3491.053-0.0670.171
Colored paved markings0.2110.0593.530.0001.2350.0940.328
Constant1.4320.12711.300.0001.1841.681
P3.1660.3072.6183.829

Log–likelihood at convergence (Pseudo)-104.04
Log–likelihood at zero-138.11
AIC222.07
BIC245.63
No of observations229
No of groups42

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