Table 1. Main statistics for the demographic, accident and injury covariates for the psychology service.

Varaibles	Percentage	Yearly service utilization mean (SD)
Gender
Female	52%	4.5 (8.4)
Male	48%	3.8 (6.6)
Age group (at accident)
< 30-year-old	35%	4.7 (9.7)
30-40-year-old	22%	4.1 (6.9)
40-50-year-old	21%	4.2 (6.5)
50-60-year-old	13%	3.2 (3.7)
> 60-year-old	9%	3.6 (6.3)
Role in transport accident
Driver	48%	3.8 (6.2)
Passenger	23%	4.1 (8.5)
(Motor/) Cyclist	16%	3.8 (4.8)
Pedestrian	12%	6.1 (12.9)
Witness	3%	4.2 (4.2)
Injuries
Brain head (N)	76%	3.1 (4.6)
Brain head (Y)	24%	7.4 (12.6)
Concussion (N)	81%	3.7 (5.9)
Concussion (Y)	19%	6.1 (12.3)
Internal (N)	71%	3.4 (5.0)
Internal (Y)	29%	6.0 (11.6)
Soft tissue (N)	47%	4.4 (9.1)
Soft tissue (Y)	53%	3.9 (5.8)
Dislocation (N)	81%	3.8 (6.5)
Dislocation (Y)	19%	5.6 (10.9)
Sprain strains (N)	76%	3.8 (7.2)
Sprain strains (Y)	24%	5.1 (8.8)
Limb fractures (N)	63%	3.9 (6.4)
Limb fractures (Y)	37%	4.5 (9.3)
Non-limb fractures (N)	62%	3.2 (4.0)
Non-limb fractures (Y)	38%	5.6 (11.1)
Contusion abrasion (N)	33%	4.6 (7.5)
Contusion abrasion (Y)	67%	3.9 (7.7)