. Author manuscript; available in PMC: 2014 Mar 1.

Published in final edited form as: Accid Anal Prev. 2012 Nov 24;51:27–32. doi: 10.1016/j.aap.2012.10.011

Table 3.

Regression analyses of covariate associations with kinematic risky driving/6month period.

	1 Class Model		2 Latent Class Model
	1 Class Model		Higher risk		Lower risk

Variable	Est (SE)^a	P value	Est (SE)^a	P value	Est (SE)^a	P value
Gender	0.23 (0.38)	0.55	−1.16 (0.96)	0.23	1.84 (1.06)	0.08
Self reported risky driving	0.71 (0.37)	0.05	0.58 (0.53)	0.27	0.20 (0.62)	0.74
Perceptions on risky driving	−0.44 (0.24)	0.07	−0.53 (0.39)	0.17	−0.09 (0.57)	0.88
Driving privileges	0.50 (0.26)	0.06	0.51 (0.51)	0.31	−0.03 (0.62)	0.96
Friends’ risky driving	0.66 (0.20)	<0.01	0.45 (0.41)	0.27	−0.02 (0.62)	0.97
Friends’ risky behavior	0.66 (0.18)	<0.01	0.34 (0.34)	0.32	0.47 (0.43)	0.28
Sensation Seeking, short form	0.43 (0.67)	0.52	0.34 (1.91)	0.86	1.33 (1.45)	0.36
Thrill and adventure seeking	−0.71 (0.87)	0.42	−0.90 (2.07)	0.66	0.80 (1.79)	0.65

Est and SE stand for parameter estimates and standard errors. Results for intercepts and adjusting factors (gender, log miles, and quarters) are not shown.