Modelling the Effect of Mobile Phone Use on Driving Behaviour Considering Different Use Modes

Table 4

Probit model for reaction time.

Parameters	Coefficient	t value
Intercept	-0.047	-0.159
Distraction type
Base	---	---
Speaker	0.443	2.557
Hands-free	0.415	2.394
Handheld	0.408	2.358
Mobile phone use characteristics
Mobile phone use while driving -> No	-0.341	-1.821
Environment
Urban roads	0.373	2.813
Driving related characteristics
Maximum speed >=2	-0.401	-2.207
Accident involvement during the past 3 years	0.663	3.367
Socioeconomic characteristics
Age 25-34	-0.517	-2.497
Gender: woman	0.655	3.926
Statistics
mu_1	1.999	16.339
Sigma	0.670	4.734
Observations	390
doF	12
Initial log-likelihood	-365.111
Log-likelihood	-330.992
AIC	685.986