Table 1 Demographic data on truck drivers and their assistants .

	Occupation
	Drivers	Assistants
	(n = 162)	(n = 219)
Age (years, n = 381)
⩽25	9 (5.6)	66 (30.2)
26–30	26 (16.1)	91 (41.7)
31–35	38 (23.6)	40 (18.4)
⩾36	88 (54.7)	21 (9.7)
No response	1	1
Education (n = 381)
None	8 (4.9)	4 (1.8)
Primary	84 (51.8)	94 (42.9)
Secondary	62 (38.3)	107 (48.6)
Post‐secondary	8 (4.9)	14 (6.4)
Marital status
Never married	7 (4.3)	65 (29.7)
Married/cohabiting	149 (92)	152 (69.4)
Separated/divorced/widowed	6 (3.7)	2 (0.9)
Religion
Protestant	54 (33.3)	94 (43)
Catholic	60 (37)	68 (31)
Muslim	44 (27.2)	50 (22.8)
None, other or no response	4 (2.5)	7 (3.2)

Values are n (%).