Name

yrsdvr

Label

How many years have you been driving

Type
numeric
Visit vs How many years have you been driving
N Mean StdDev Median Min Max Unknown Total
Visit 5 598 26.8 ± 16.6 28.0 -2.0 70.0 137 735
Age at time of visit vs How many years have you been driving
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 539 27.1 ± 16.7 28.0 -2.0 70.0 119 658
5-14 yrs old 2 0.0 ± 0.0 0.0 0.0 0.0 62 64
15-24 yrs old 80 3.1 ± 2.2 2.5 0.0 7.0 32 112
25-34 yrs old 60 12.1 ± 4.1 13.0 -2.0 25.0 2 62
35-44 years 91 21.3 ± 6.9 23.0 -2.0 34.0 7 98
45-54 years 140 30.3 ± 6.4 31.0 -2.0 38.0 8 148
55-64 years 80 38.6 ± 9.7 40.0 -2.0 49.0 4 84
65-74 years 56 47.9 ± 8.6 50.0 20.0 64.0 1 57
75-84 years 28 55.6 ± 8.5 60.0 30.0 70.0 3 31
85 years or older 2 55.0 ± 21.2 55.0 40.0 70.0 - 2
Sex vs How many years have you been driving
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 598 26.8 ± 16.6 28.0 -2.0 70.0 137 735
Female 325 24.6 ± 15.5 27.0 -2.0 64.0 81 406
Male 273 29.4 ± 17.4 30.0 -2.0 70.0 56 329
Race vs How many years have you been driving
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 598 26.8 ± 16.6 28.0 -2.0 70.0 137 735
White 271 29.6 ± 16.8 30.0 -2.0 70.0 33 304
Black 312 24.8 ± 15.8 26.0 -2.0 70.0 97 409
Other 15 15.4 ± 16.9 9.0 0.0 45.0 7 22