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Table 6. Validation Process: Prediction of Person Miles Using American Community Survey Data (ACS)

Dataset Table:

Variable Regression parameter Value for Census Tract 36001001400 (from 2012-2016 ACS) (A)*(B) 1
(A) (B) (C) 2
Intercept 8.20 NA  8.20 3
Median household income (thousands) 0.13 44.6350 5.70 4
1 vehicle available 3.17 0.4737 1.50 5
2 or more vehicles available 21.06 0.1669 3.51 6
1 worker household 2.49 0.5986 1.49 7
2 or more worker household 12.50 0.2142 2.68 8
Life Cycle (1+C<18) 6.60 0.0354 0.23 9
Life Cycle (1P hh < 65) 2.49 0.6375 1.59 10
Life Cycle (2+P hh, 0-65+) 11.00 0.2472 2.72 11
Life Cycle (2+P hh, 1+65+) 10.21 0.0531 0.54 12
Person miles traveled 28.16 13
14

Notes:

Column B is a proportion from 0 to 1 for all except median household income