Table 2.
Driver demographic information.
| # Drivers | N | Male | Female | All |
|---|---|---|---|---|
| 91 | 5 | 96 | ||
| Age | Mean (sd) | 44.6 (11.9) | 41.2 (12.8) | 44.4 (11.9) |
| Median (range) | 44 (21–73) | 46 (26–53) | 44 (21–73) | |
| Height (in.) | Mean (sd) | 69.4 (2.5) | 66.1 (2.9) | 69.2 (2.6) |
| Median (range) | 69.3 (65–75) | 65.1 (63–71) | 69.1 (63–75) | |
| Weight (lb.) | Mean (sd) | 218.6 (44.7) | 190.5 (71.6) | 217.1 (46.3) |
| Median (range) | 215.8 (120–384) | 171.4 (128–314) | 214.2 (120–384) | |
| BMI | Mean (sd) | 31.9 (6.2) | 30.2 (8.8) | 31.8 (6.3) |
| Median (range) | 31.2 (18–48) | 29.4 (21–44) | 30.7 (18–48) | |
| Years of commercial vehicle driving | Mean (sd) | 9.3 (10.6) | 9.3 (11.4) | 9.3 (10.6) |
| Median (range) | 5.6 (0.1–54) | 4.4 (0.8–28) | 5.4 (0.1–54) |