Table 3.

Model results for rear-end accident probability during a sudden braking event.

Parameter	Estimate	SE	z	p > |z|	OR
Intercept	0.85	0.22	3.86	<0.001	2.34
Simple speech-based texting (No phone *)	0.61	0.45	1.36	0.174	1.84
Complex speech-based texting (No phone *)	0.45	0.46	0.98	0.327	1.57
Simple handheld texting (No phone *)	0.88	0.44	2	0.045	2.41
Complex handheld texting (No phone *)	1.02	0.45	2.28	0.023	2.77
Initial time headway	−1.13	0.22	−5.25	<0.001	0.32
LV deceleration rate 3 m/s2 (LV deceleration rate 8 m/s2 *)	−4.84	1.02	−4.74	<0.001	0.01
LV deceleration rate 5 m/s2 (LV deceleration rate 8 m/s2 *)	−2.05	0.33	−6.25	<0.001	0.13
Goodness of fit	Wald chi2(8) = 74.49, Prob > chi2 = 0.0000 < 0.001

Note: SE: standard error; OR: odds ratio; * reference category.