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. Author manuscript; available in PMC: 2008 Jan 10.
Published in final edited form as: J Safety Res. 2007 Sep 21;38(5):501–509. doi: 10.1016/j.jsr.2007.04.005

Table 1.

Descriptive Statistics (N = 101)

Variable Mean (SD)
Demographics
 Age (years) 80.02 (3.41)
 Age Received Driver License 19.08 (5.14)
 Gender 53% male
 Ethnicity 93% Caucasian
 Vision 70.61 (11.61)
Self-Report Driving
 Tickets 2.21 (2.69)
 Crashes 2.07 (1.46)
State Driving Records
 Crashes 0.33 (0.65)
 At-Fault Crashes 0.15 (0.38)
Virtual Environment: Risky Driving
 Bumping Curb (times) 0.24 (0.74)
 Hitting Closed Gates (times) 4.37 (6.40)
 Distance to Closed Gates (meters) 11.16 (5.82)
 Slowing at Open Gates (times) 6.72 (6.44)
 Time to Complete Course (minutes) 17.20 (3.92)
Questionnaires: Risky Driving
 DBQ Errors 0.51 (0.42)
 DBQ Lapses 0.93 (0.45)
 DBQ Violations 0.54 (0.34)
Sensation-Seeking
 Thrill and Adventure Seeking 2.53 (2.37)
 Experience Seeking 2.68 (1.77)
 Disinhibition 1.04 (1.27)
 Boredom Susceptibility 1.59 (1.41)
 Total Score 7.84 (4.44)
Temperament
 High Intensity Pleasure 2.90 (0.98)
 Inhibitory Control 4.52 (0.86)
 Activation Control 4.95 (0.80)
 Attentional Control 4.40 (1.01)