Research Article

A Rural Road Accident Probability Model Based on Single-Vehicle Hazard Properties including Hazard Color and Mobility: A Driving Simulator Study

Table 3

LPM model of accident likelihood in relation to hazard properties.

Dependent variableIndependent variablesEstimated parametersStandard errort value value

AccidentSpeed0.00190.000613.390.000
Size−0.05450.01022−5.340.000
Day−0.24670.04978−6.410.000
Mobile−0.11050.18054−3.080.002
PEN−0.00840.00241−3.750.001
Green−0.027630.4286−6.350.000
Green × day0.26310.087903.160.003
Yellow−0.22580.04750−5.910.000
Yellow × day0.11740.040813.010.003
Mobile × size0.03220.007733.890.000
Size × day0.01860.004182.530.012
Intercept0.33970.070194.990.000
Statistics0.5830
21.27
Observations1068
ROC0.7041

4.70 × 10–10

Ratio of correct prediction; conditional mean of error term.