Gender

Visit vs How many car accidents occurred because you felt sleepy or fell asleep behind the wheel of a car
N Mean StdDev Median Min Max Unknown Total
Visit 5 594 0.1 ± 0.6 0.0 0.0 10.0 141 735
Participant's age (category) vs How many car accidents occurred because you felt sleepy or fell asleep behind the wheel of a car
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 536 0.1 ± 0.6 0.0 0.0 10.0 122 658
5-14 yrs old 2 0.0 ± 0.0 0.0 0.0 0.0 62 64
15-24 yrs old 79 0.01 ± 0.1 0.0 0.0 1.0 33 112
25-34 yrs old 60 0.1 ± 0.5 0.0 0.0 3.0 2 62
35-44 years 90 0.1 ± 0.5 0.0 0.0 3.0 8 98
45-54 years 140 0.2 ± 1.0 0.0 0.0 10.0 8 148
55-64 years 80 0.1 ± 0.4 0.0 0.0 2.0 4 84
65-74 years 55 0.1 ± 0.5 0.0 0.0 3.0 2 57
75-84 years 28 0.07 ± 0.3 0.0 0.0 1.0 3 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Participant's sex vs How many car accidents occurred because you felt sleepy or fell asleep behind the wheel of a car
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 594 0.1 ± 0.6 0.0 0.0 10.0 141 735
Female 323 0.03 ± 0.2 0.0 0.0 1.0 83 406
Male 271 0.2 ± 0.8 0.0 0.0 10.0 58 329
Participant's race vs How many car accidents occurred because you felt sleepy or fell asleep behind the wheel of a car
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 594 0.1 ± 0.6 0.0 0.0 10.0 141 735
White 270 0.2 ± 0.8 0.0 0.0 10.0 34 304
Black 309 0.09 ± 0.3 0.0 0.0 2.0 100 409
More than one race 15 0.07 ± 0.3 0.0 0.0 1.0 7 22