Factors Affecting Crash Involvement of Commercial Vehicle Drivers: Evaluation of Commercial Vehicle Drivers’ Characteristics in South Korea

Table 5

Log-likelihood ratio test result for the fixed and random parameter logit models.

	Local bus		Express bus		Taxi		Truck
	Fixed	Random	Fixed	Random	Fixed	Random	Fixed	Random
Degrees of freedom	9	17	9	17	9	17	9	17
Log-likelihood at convergence	−32,778	−32,743	−13,616	−13,608	−94,393	−93,665	−63,042	−62,856
	69.356		15.812		1,457.9		370.83
value	<0.001		0.045		<0.001		<0.001