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.
| Mode | Variable | Level | | S.E. | Wald | Df | Sig. | Exp() |
| The first part (VMS-I) | Age | Continuous | −0.079 | 0.020 | 16.212 | 1 | 0.000 | 0.924 | Gender | Male versus female | 0.968 | 0.370 | 6.836 | 1 | 0.009 | 2.633 | Location | — | — | — | 4.347 | 2 | 0.114 | — | | 400 m versus 0 m | −0.873 | 0.439 | 3.953 | 1 | 0.047 | 0.418 | | 200 m versus 0 m | −0.200 | 0.430 | 0.216 | 1 | 0.642 | 0.819 | SV | Continuous | −0.033 | 0.013 | 6.065 | 1 | 0.014 | 0.968 | Constant | 4.682 | 1.341 | 12.197 | 1 | 0.000 | 107.99 |
| The second part (VMS-II) | Age | Continuous | −0.112 | 0.042 | 7.272 | 1 | 0.007 | 0.894 | Vocation | Yes versus no | 2.066 | 0.820 | 6.351 | 1 | 0.012 | 7.896 | Format | — | — | — | 4.132 | 2 | 0.127 | — | | Text-only versus Text and graphic | −0.885 | 0.442 | 3.998 | 1 | 0.046 | 0.413 | | Graphic versus Text and graphic | −0.279 | 0.425 | 0.431 | 1 | 0.511 | 0.756 | SV | Continuous | −0.057 | 0.016 | 12.147 | 1 | 0.000 | 0.944 | Constant | 6.597 | 1.775 | 13.816 | 1 | 0.000 | 733.140 |
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