| Socio-demographic characteristic | Occupational groups | |||||
| Trucker clients (N = 306) | Other transport workers (N = 344) | Unskilled/ semi-skilled men (N = 2572) | Remaining clients (N = 1599) | Total (N = 4821) | P value | |
| Current age | 0.25 | |||||
| Up to 24 | 23.4% | 26.4% | 32.4% | 35.6% | 32.4% | |
| 25 - 34 | 48.0% | 45.6% | 38.5% | 38.0% | 39.5% | |
| 35 or above | 28.5% | 28.1% | 29.1% | 26.4% | 28.1% | |
| Mean (SD) | 30.3 (7.6) | 29.9 (7.4) | 30.0 (8.4) | 29.5 (8.6) | 29.8 (8.3) | |
| Literacy | 0.001 | |||||
| Illiterate | 11.9% | 23.3% | 26.4% | 19.4% | 22.9% | |
| Literate | 88.1% | 76.7% | 73.6% | 80.7% | 77.1% | |
| Sexual partnership | 0.003 | |||||
| Currently married-living with partner | 62.1% | 56.3% | 44.2% | 42.1% | 45.5% | |
| Currently married-living along | 5.2% | 9.6% | 10.1% | 4.9% | 8.0% | |
| Not currently married-living with partner | 7.0% | 6.0% | 9.7% | 11.2% | 9.7% | |
| Not currently married-living alone | 25.6% | 28.1% | 36.0% | 41.9% | 36.7% | |