Chapter XII. Appendix
Survey Year | Trips < 75 miles | Trips > 75 miles 1 trip |
Trips > 75 miles 2 trips |
Trips > 75 miles 3+ trips |
Trips > 75 miles Total: Excluded Trips |
---|---|---|---|---|---|
1990 | 32,206 (94%) | 771 (2%) | 983 (3%) | 291 (1%) | 2,045 (6%) |
2001 | 123,998 (96%) | 2,771 (2%) | 1,548 (1%) | 195 (.2%) | 4,514 (4%) |
2009 | 217,600 (97%) | 3,946 (2%) | 2,108 (1%) | 239 (.1%) | 6,293 (3%) |
1990 Teens |
1990 Young Adult |
1990 Adult |
2001 Teens |
2001 Young Adult |
2001 Adult |
2009 Teens |
2009 Young Adult |
2009 Adult |
|
---|---|---|---|---|---|---|---|---|---|
Not Employed | 16.3 | 17.5 | 17.3 | 19.9 | 19.5 | 23.6 | 17.3 | 21.3 | 20.6 |
Full Time | 25.6 | 30.5 | 28.0 | 32.0 | 33.8 | 36.7 | 20.7 | 31.7 | 33.0 |
Part Time | 25.6 | 30.5 | 28.0 | 27.8 | 27.9 | 30.0 | 24.0 | 28.0 | 26.2 |
Teen 1990 |
Teen 2001 |
Teen 2009 |
Young Adult 1990 |
Young Adult 2001 |
Young Adult 2009 |
Adult 1990 |
Adult 2001 |
Adult 2009 |
|
---|---|---|---|---|---|---|---|---|---|
Individual Characteristics | |||||||||
Age | -0.39*** | 0.01 | -0.56*** | -0.02 | -0.02 | 0.03 | -0.01*** | -0.01* | 0.00 |
Female | -0.06 | -0.32*** | 0.01 | -0.02 | 0.01 | 0.11 | 0.03 | -0.14*** | 0.07 |
NH White | omitted | omitted | omitted | omitted | omitted | omitted | omitted | omitted | omitted |
NH Black | -0.02 | -0.07 | -0.17 | -0.49* | 0.07 | 0.39* | -0.20* | 0.02 | 0.21** |
NH Asian | 0.39* | -0.23 | -0.02 | 0.17 | -0.16 | 0.10 | |||
Hispanic | -0.11 | -0.23 | -0.16* | -0.39 | -0.26 | 0.27 | -0.19* | -0.17 | 0.23*** |
NH Other | -0.07 | -0.34* | -0.17 | -0.37 | -0.04 | 0.35 | -0.37* | 0.05 | -0.25 |
Employed | 0.60*** | 0.29*** | 0.81*** | 0.97*** | 1.02*** | 1.19*** | 0.95*** | 0.94*** | 1.08*** |
Web Use Daily | no data | -0.12 | 0.11 | no data | 0.02 | 0.16 | no data | 0.01 | 0.21*** |
Driver | 0.35* | 0.38*** | 0.48*** | 0.40* | 1.54*** | 1.20*** | 1.08*** | 1.12*** | 1.70*** |
Less than High School | omitted | omitted | omitted | omitted | omitted | omitted | omitted | omitted | omitted |
High School Graduate | -0.37 | 0.39 | 0.65** | 0.18 | 0.23 | 0.25 | 0.19* | 0.18 | 0.23 |
Some College | -0.31 | 0.57** | 0.59** | 0.15 | 0.43 | 0.32 | 0.53*** | 0.41*** | 0.33** |
College Graduate | -0.66* | 0.76*** | 0.71*** | 0.22 | 0.70* | 0.45 | 0.49*** | 0.49*** | 0.43*** |
Grad or Prof. Degree | -0.35 | 0.65** | 0.73*** | 0.50* | 0.71* | 0.51 | 0.61*** | 0.53*** | 0.43*** |
Young Adult Lives with Parents | -0.24 | -0.03 | -0.02 | ||||||
Household Characteristics | |||||||||
Household Income (ln) | 0.08 | -0.01 | 0.02 | 0.11 | -0.04 | -0.01 | 0.12*** | 0.16*** | 0.16*** |
Number of Adults | -0.09 | 0.31*** | 0.04 | -0.01 | 0.04 | -0.08 | -0.11** | -0.01 | -0.02 |
Number of Children | -0.13* | -0.11*** | -0.07* | -0.11* | 0.03 | 0.03 | 0.02 | 0.10*** | 0.12*** |
Autos Per Adult | 0.59*** | 0.36*** | 0.10 | 0.47*** | 0.34** | 0.45** | 0.22*** | 0.21*** | 0.19*** |
Geographic Characteristics | |||||||||
Population Density (ln) | 0.04 | -0.17*** | -0.11*** | -0.06 | -0.05 | -0.08 | -0.09*** | -0.09*** | -0.05** |
MSA > 3 million | 0.03 | -0.39*** | 0.01 | 0.08 | -0.23* | 0.16 | 0.08 | 0.08 | -0.04 |
Constant | 7.39*** | 0.61 | 9.69*** | -0.01 | 0.32 | -1.07 | -0.76* | -1.49*** | -2.87*** |
Model N | 1252 | 19383 | 31046 | 3185 | 7736 | 9174 | 13167 | 57061 | 105063 |
Adjusted R2 | 0.09 | 0.09 | 0.11 | 0.10 | 0.12 | 0.10 | 0.11 | 0.08 | 0.13 |