Accelerated Failure Time Model to Explore the Perception Response Times of Drivers in Simulated Car-Following Scenarios

Table 1

Definition of independent variables.

Variables	Descriptions
Individual factors
Gender	Female: 1; male: 0
Age group	Mature (25–40): 1; young (<25): 0
Level of WMC (OSPAN score)	Top quartile (63–75): 3; second quartile (57–62): 2; third quartile (41–56): 1; bottom quartile (13–40): 0
Situational factors
Level of cognitive load	Cognitive load: 1; baseline load: 0
Initial time headway (second)	Continuous variables: mean = 1.527; std. = 0.520; range = (0.517, 2.952)
Lead vehicle deceleration rate	0.6 g: 1; 0.3 g: 0