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Table 4. Independent and Dependent Model Variables from 2017 National Household Travel Survey

Dataset Table:

Dependent Variable Independent Variables 1
Name Type 2
Person miles traveled, Household income Continuous 3
Person trips, Household vehicles available (1 available) Y/N 4
Vehicle miles traveled, or Household vehicles available (2+ available) Y/N 5
Vehicle trips Workers in household (1 worker) Y/N 6
Workers in household (2+ workers) Y/N 7
Life cycle (1+C<18) Y/N 8
Life cycle (1P hh<65) Y/N 9
Life cycle (2+P hh, 0 65+) Y/N 10
Life cycle (2+P hh, 1+65+) Y/N 11


Households are the unit of observation. Household vehicles available (0 available); workers in household (0 workers); life cycle (0 C<18); and life cycle (1P hh 65+) are the omitted indicator variables.