Table 4:

Data From Articles Describing a Single Vehicle Type.

	Car, (n, %)	Truck/bus, (n)	Light utility /SUV, (n)
Age group:
Children (0-14)a	4, 26.7%	1	0
Youth (15-24)b	6, 40.0%	0	0
Adults (25-64)c	10, 66.7%	2	0
Elderly (≥ 65)d	7, 46.7%	0	0
Unknowne	2, 13.3%	0	1

Abbreviations: %, percentage of articles; n, number of articles; SUV, sports utility vehicle.

^a Car (25,64,65,80), Truck (78).

^b (25,44,64,65,71,80).

^c Car (25,37,44,58,63-65,67,68,80), Truck (47,66).

^d (25,44,59,60,64,65,80).

^e Car (26,69), SUV (52).