Table 2.
Sample baseline characteristics
| Variables | n | Mean (SD) or % |
|---|---|---|
| Age | 130 | 49.24 (11.19) |
| Sex (Male) | 134 | 86.76 |
| Married/Living with a partner | 134 | 61.94 |
| Education | 123 | |
| HS diploma or GED | 57.72 | |
| Vocational/technical certificate | 20.33 | |
| Associates degree | 12.20 | |
| Bachelor's degree | 7.32 | |
| Graduate degree | 2.44 | |
| Weekly work hours | 130 | |
| 0–54.99 | 23.85 | |
| 55–64.99 | 34.62 | |
| ≥65 | 41.54 | |
| Tenure as truck driver (yrs) | 134 | 13.30 (10.42) |
| Tenure current company (yrs) | 134 | |
| <1 | 28.36 | |
| 1–2.49 | 16.42 | |
| 2.5–4.99 | 13.43 | |
| ≥5 | 41.79 |
SD, standard deviation.