Driving Behavior Survey (DBS) scores and 95% confidence intervals for clinical and non-clinical samples. CAUT = DBS excessive safety/caution behaviors; DEF = DBS anxiety-based performance deficits; ANG = DBS hostile/aggressive driving behavior.
Veteran PTSD (N = 160): CAUT (M = 4.39, SD = 1.17); DEF (M = 2.23, SD = 1.02); ANG (M = 3.38, SD = 1.61).
Motor vehicle accident PTSD sample from Clapp et al. (2014; N = 40): CAUT (M = 4.41, SD = 1.54); DEF (M = 2.25, SD = 1.35); ANG (M = 2.97, SD = 1.31).
Unselected student sample from Clapp et al. (2011; N = 518): CAUT (M = 3.88, SD = 0.89); DEF (M = 2.00, SD = 0.70); ANG (M = 2.74, SD = 1.14).