Table 2.
Participant Demographic and Driving Characteristics
| Variable | Gender | |||
|---|---|---|---|---|
| Male | Female | Overall | p Value | |
| Age (years) | 71.87 (5.38) | 70.38 (4.39) | 71.05 (4.91) | <.0001 |
| Education (years) | 14.92 (2.64) | 14.85 (2.61) | 14.88 (2.62) | .70 |
| Driving experience (years) | 51.72 (6.62) | 47.55 (7.13) | 49.42 (7.21) | <.0001 |
| Subjective driving ability | 3.81 (0.63) | 3.77 (0.64) | 3.78 (0.64) | .38 |
| Frequency | ||||
| Mileage (annual) | 7,558.73 (3,240.45) | 6,070.37 (3,286.33) | 6,736.92 (3,346.76) | <.0001 |
| Weekly driving (days) | 4.38 (1.60) | 4.02 (1.60) | 4.18 (1.61) | <.01 |
| Weekly trips | 2.21 (1.98) | 1.71 (1.58) | 1.92 (1.77) | <.01 |
| Space | ||||
| Driving space | 10.33 (2.80) | 9.25 (2.96) | 9.74 (2.94) | <.0001 |
| Maximum weekly trip distance (miles) | 10.42 (12.84) | 8.54 (10.29) | 9.28 (11.39) | .10 |
| Difficulty | ||||
| Driving difficulty | 4.78 (0.27) | 4.59 (0.45) | 4.68 (0.39) | <.0001 |
| Situational avoidance | 0.79 (0.97) | 1.37 (1.48) | 1.11 (1.31) | <.0001 |
Notes: Independent samples t test conducted for group differences. Welch’s t test used for situational avoidance.