Research Article

Effectiveness of Variable Message Signs on Driving Behavior Based on a Driving Simulation Experiment

Table 3

Parameter estimates of logistic regression models for route choice.

ModeVariableLevel S.E.WaldDfSig.Exp( )

The first part (VMS-I)AgeContinuous−0.0790.02016.21210.0000.924
GenderMale versus female0.9680.3706.83610.0092.633
Location4.34720.114
400 m versus 0 m−0.8730.4393.95310.0470.418
200 m versus 0 m−0.2000.4300.21610.6420.819
SVContinuous−0.0330.0136.06510.0140.968
Constant4.6821.34112.19710.000107.99

The second part (VMS-II)AgeContinuous−0.1120.0427.27210.0070.894
VocationYes versus no2.0660.8206.35110.0127.896
Format4.13220.127
Text-only versus Text and graphic−0.8850.4423.99810.0460.413
Graphic versus Text and graphic−0.2790.4250.43110.5110.756
SVContinuous−0.0570.01612.14710.0000.944
Constant6.5971.77513.81610.000733.140