. Author manuscript; available in PMC: 2017 Oct 1.

Published in final edited form as: Accid Anal Prev. 2016 Jul 26;95(Pt A):284–291. doi: 10.1016/j.aap.2016.07.008

Table 5.

Least square means (LSM) and slope estimates (seconds) of TTC estimation error for two-way Actual TTC interactions between velocity and UFOV

	1.5 sec	95% CI	3 sec	95% CI	5 sec	95% CI
LSMs
45 mph	0.78 (0.10)	0.57, 0.99	1.19 (0.10)	0.99, 1.40	2.16 (0.11)	1.95, 2.36
55 mph	0.61 (0.10)	0.41, 0.82	0.94 (0.11)	0.73, 1.15	1.62 (0.11)	1.41, 1.83
65 mph	0.53 (0.10)	0.33, 0.74	0.82 (0.11)	0.61, 1.02	1.08 (0.11)	0.87, 1.29
Slopes UFOV	0.0012, (0.0004)	0.0004, 0.0019	0.0015, (0.0004)	0.0008, 0.0023	0.0026, (0.0004)	0.0018, 0.0034