Table 4.
Variables | Frequency (n) | Percent |
---|---|---|
Years spent truck driving | ||
<10 years | 211 | 52.8 |
≥10 years | 189 | 47.2 |
| ||
Average daily driving hours | ||
<10 hours | 100 | 25 |
10–15 hours | 253 | 63.2 |
>15 hours | 47 | 11.8 |
| ||
Rest breaks between driving | ||
Present | 339 | 84.8 |
Absent | 61 | 15.2 |
| ||
Frequent involvement in lifting/carrying heavy objects | ||
Yes | 308 | 77 |
No | 92 | 23 |
| ||
Perceived sitting posture while driving | ||
Proper | 222 | 55.5 |
Improper | 178 | 44.5 |
| ||
Truck with suspension seat | ||
Yes | 184 | 46 |
No | 216 | 54 |
| ||
Truck with adjustable back support | ||
Yes | 296 | 74 |
No | 104 | 26 |