Table 1.
Characteristics of the professional drivers (N=537) at the cross-sectional study.
| Characteristics | N (%) | Median (quartiles) |
|---|---|---|
| Driving occupation | ||
| Industry | 293 (54.6) | |
| Public utilities | 244 (45.4) | |
| Age (years) | 41 (35–47) | |
| BMI (kg2) | 25.8 (23.9–28.4) | |
| Smoking | ||
| Never | 246 (45.8) | |
| Ex-smokers | 112 (20.9) | |
| Current smokers | 179 (33.3) | |
| Drinking | 345 (64.3) | |
| Married | 387 (72.1) | |
| Education (years) | ||
| ≤6 | 35 (6.5) | |
| 7–12 | 355 (66.1) | |
| >12 | 147 (27.4) | |
| Physical activity | ||
| Never | 237 (44.1) | |
| <1 per week | 64 (11.9) | |
| 1–3 per week | 210 (39.1) | |
| Every day | 26 (4.8) | |
| Car driving (km/year) | ||
| <8000 | 145 (27.0) | |
| 8000–24 000 | 347 (64.6) | |
| >24 000 | 45 (8.4) | |
| Seniority in current job (years) | 12 (5–20) | |
| Seniority in driving occupations (years) | 16 (8–23) | |
| Physical workload | ||
| Mild | 185 (34.5) | |
| Moderate | 144 (26.8) | |
| Hard | 106 (19.7) | |
| Very hard | 102 (19.0) | |
| Psychosocial work environment | ||
| Good | 151 (28.1) | |
| Reasonable | 134 (24.9) | |
| A little poor | 164 (30.5) | |
| Poor | 88 (16.4) |