Histogram
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 |
Participant's age (category) 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 |
Participant's 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 |
Participant's 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 |
More than one race | 15 | 15.4 | ± 16.9 | 9.0 | 0.0 | 45.0 | 7 | 22 |