Table 1

Advertisements and type of vehicle by year from the magazines surveyed (2001–2005)
Year
 SUVa
 Other 4WD & AWDb
 Other vehicles

%c
 N
 %c
 N
 %c
 N
2001
 19.1
 13
 19.1
 13
 61.8
 42
2002
 11.5
 7
 21.3
 13
 67.2
 41
2003
 29.5
 31
 12.4
 13
 58.1
 61
2004
 27.6
 45
 14.7
 24
 57.7
 94
2005
 16.2
 19
 8.5
 10
 75.2
 88
Total
 22.4
 115
 14.2
 73
 63.4
 326

a Vehicles were classified as SUVs if they were specifically defined in the advertisement as being a SUV, recreational vehicle (RV), or all-terrain passenger vehicle, or if they were defined as a SUV on vehicle manufacturers' websites.

b The category "Other 4WD and AWD" included all relevant vehicles where the advertisements mention they are either 4WD or AWD capable (and excluded all SUVs as defined above).

c Percentages in this table reflect the composition within years (ie, across the row).

Wilson et al. Environmental Health 2008 7:14   doi:10.1186/1476-069X-7-14