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TABLE 2 Estimated Poisson Models for Number of Walking Trips and Estimated Ordinary Least Squares (OLS) Model for Share of Walking Trips
Excel | CSV
Household (HH) characteristics |
Vehicles in HH |
−0.313*** |
−4.88 |
−0.240*** |
−3.77 |
−0.297*** |
−4.39 |
−0.078*** |
−4.45 |
Bikes in HH |
0.362*** |
8.19 |
0.320*** |
7.11 |
0.285*** |
6.16 |
0.061*** |
3.85 |
Type housing unit |
|
|
|
|
|
|
|
|
Apart/condo |
0.052 |
1.00 |
0.022 |
0.41 |
0.116** |
2.01 |
0.034** |
1.97 |
Dorm |
1.200*** |
3.66 |
0.897*** |
2.61 |
1.641*** |
4.62 |
0.563** |
2.47 |
Income HH |
0.086* |
1.74 |
0.095* |
1.90 |
0.143*** |
2.80 |
0.032** |
2.24 |
Individual
characteristics |
|
|
|
|
|
|
|
|
Age |
−0.002* |
−1.87 |
−0.005*** |
−3.73 |
−0.004*** |
−3.56 |
−0.001*** |
−3.55 |
Female |
−0.052 |
−1.18 |
−0.072 |
−1.61 |
−0.072 |
−1.62 |
−0.017 |
−1.30 |
Driver |
−0.216*** |
−3.42 |
−0.188*** |
−2.97 |
−0.280*** |
−4.38 |
−0.060*** |
−3.34 |
Status |
|
|
|
|
|
|
|
|
Absent |
0.287** |
2.26 |
0.278** |
2.18 |
0.324** |
2.53 |
0.077* |
1.92 |
Looking |
0.351*** |
2.82 |
0.274** |
2.20 |
0.225* |
1.80 |
0.070 |
1.61 |
Full-time |
−0.256*** |
−3.73 |
−0.308*** |
−4.44 |
−0.311*** |
−4.41 |
−0.037* |
−1.90 |
Occupation |
|
|
|
|
|
|
|
|
Sales/service |
−0.028 |
−0.32 |
−0.089 |
−1.03 |
−0.114 |
−1.30 |
−0.027 |
−1.20 |
Manuf/const/maint |
−0.069 |
−0.54 |
−0.144 |
−1.12 |
−0.261** |
−1.98 |
−0.046 |
−1.42 |
Prof/manag/tech |
0.500*** |
6.37 |
0.464*** |
5.90 |
0.349*** |
4.39 |
0.040* |
1.72 |
Licensed |
−0.539*** |
−4.48 |
−0.507*** |
−4.20 |
−0.443*** |
−3.66 |
−0.053** |
−2.07 |
Distance-to-work |
−0.016*** |
−4.85 |
−0.016*** |
−5.04 |
−0.016*** |
−5.02 |
−0.003*** |
−4.28 |
Walk-exercising |
0.406*** |
20.63 |
0.398*** |
19.77 |
0.359*** |
17.44 |
0.083*** |
8.49 |
Med condition |
−0.584*** |
−5.91 |
−0.617*** |
−6.19 |
−0.662*** |
−6.63 |
−0.098*** |
−4.38 |
Graduate |
0.300*** |
4.63 |
0.263*** |
4.02 |
0.185*** |
2.82 |
0.014 |
0.71 |
Attitudes/perceptions |
Traffic accidents (TA) |
|
|
|
|
|
|
|
|
TA-No |
|
|
−0.345*** |
−2.66 |
−0.341*** |
−2.62 |
−0.036 |
−1.21 |
Highway congestion (HC) |
|
|
|
|
|
|
|
|
HC-Very |
|
|
0.186** |
2.26 |
0.168** |
2.03 |
−0.001 |
−0.05 |
HC-Severe |
|
|
0.392*** |
5.25 |
0.389*** |
5.19 |
0.051** |
2.29 |
Drunk drivers (DD) |
|
|
|
|
|
|
|
|
DD-Severe |
|
|
0.275*** |
2.99 |
0.268*** |
2.91 |
0.008 |
0.26 |
Price of gasoline (PG) |
|
|
|
|
|
|
|
|
PG-No |
|
|
0.348*** |
6.03 |
0.389*** |
6.73 |
0.053*** |
2.90 |
PG-Severe |
|
|
−0.295*** |
−3.36 |
−0.204** |
−2.31 |
−0.020 |
−0.97 |
Walkways/sidewalks (WS) |
|
|
|
|
|
|
|
|
WS-Little |
|
|
0.255* |
1.91 |
0.230* |
1.70 |
0.041 |
0.98 |
WS-Somewhat |
|
|
0.432*** |
2.56 |
0.549*** |
3.23 |
0.039 |
0.70 |
Urban form, neighborhood design, and land-use attributes |
Ln(density) |
|
|
|
|
0.041 |
1.32 |
0.011 |
1.25 |
Connectivity |
|
|
|
|
−0.934*** |
−5.62 |
−0.089*** |
−2.78 |
Diversity |
|
|
|
|
0.439*** |
4.07 |
0.063** |
1.97 |
Accessibility |
|
|
|
|
−1.030*** |
−2.64 |
−0.117 |
−1.15 |
Neighborhood
sociodemographics |
Age in N |
|
|
|
|
−0.005** |
−1.99 |
−0.001 |
−1.33 |
Race in N |
|
|
|
|
0.731*** |
11.01 |
0.092*** |
5.17 |
|
|
|
|
|
|
|
|
|
Constant |
−0.075 |
−1.26 |
−0.067 |
−1.12 |
−0.260 |
−0.79 |
0.224** |
2.51 |
Valid N = |
2,630 |
|
2,630 |
|
2,630 |
|
2,630 |
|
Log-likelihood intercept
only: |
−3,974.97 |
|
−3,974.97 |
|
−3,974.97 |
|
|
|
Log-likelihood full
model: |
−3,564.04 |
|
−3,510.16 |
|
−3,381.89 |
|
|
|
McFadden's R2: (R2 for OLS) |
0.103 |
|
0.117 |
|
0.149 |
|
0.146 |
|
McFadden's
adjusted R2: (Adjusted R2 for OLS) |
0.098 |
|
0.110 |
|
0.141 |
|
0.135 |
|
Likelihood-ratio
(LR) test with respect to model 1 (p-value): |
|
|
0.001 |
|
0.001 |
|
|
|
Likelihood-ratio
(LR) test with respect to model 2 (p-value): |
|
|
|
|
0.001 |
|
|
|
KEY: ***, **, and * denote coefficient significantly different from zero at the 1%, 5%, and 10% level of significance (two-tail test), respectively.
|
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