Table 1

Median mileage, age, and cabin volumes of cars rented from local and national rental companies

Car characteristicsCar reservation and pickup: type of car requested by confederate
Non-smokerNo preference stated: unknown designationSmoker
LocalNationalLocalNationalLocalNational
Mileage (1000 miles)* 22.611.325.614.254.411.6
Age (years)* 2.31.32.31.54.91.3
Cabin volume (ft3)97.597.099.096.094.0101.0
  • * Smoker cars of local car companies were significantly older and had significantly higher mileage than cars from any other group (p<0.01).