Research Article

The Importance of Exercise and General Mental Health on Prediction of Property-Damage-Only Accidents among Taxi Drivers in Tehran: A Study Using ANFIS-PSO and Regression Models

Table 3

Regression parameters.

Modelβ CoefficientStandard Errort valueSignificanceVariance Inflation Factor (VIF)

Multiple Regression
Constant0.07430.08020.930.355
Exercise-0.00440.00198-2.220.0271.01
General health0.023270.005684.100.0001.01
Equation→ Number of PDO = 0.0743 -0.0044 Exercise + 0.02327 General health
RMSE= 0.564, 8.51%, =7.80%
Standard Poisson Regression Model
Constant-1.9150.278-6.880.000
Exercise-0.021770.009522.280.0231.01
General health0.06640.01614.120.0001.01
Equation→ ln(Number of PDO) = -1.915 -0.02177 Exercise + 0.0664 General health
RMSE= 0.88, 11.07%, =10.20%