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. 2010 Mar;71(2):237–248. doi: 10.15288/jsad.2010.71.237

Table 3.

Cross-sectional traffic-flow model (with constants and main effects; bs appear above, asymptotic ts below)

Variable Model I Model II Model III Model IV Model V
Constant 10.9366 9.0257 10.6103 12.0071 4.8590
3.8798*** 1.7499* 2.1774** 2.3904** 0.8796
Local flow 2.7701 6.1156 5.4198 5.1555 7.5519
2.6865** 2.9652** 2.7513** 2.5582** 3.4410***
Highway flow 0.0008 −0.0220 −0.0318 −0.0387 −0.0554
0.2277 −2.7695** −3.3002*** −3.2499*** −3.7125***
Road-network densitya −0.2176 −1.6134 −2.5161 −0.9075
−0.1142 −0.8213 −1.1688 −0.3877
Road-Network Density × Local Flow −0.8813 −0.4691 −0.2182 −0.4693
−1.2506 −0.6544 −0.2727 −0.5632
Road-Network Density × Highway Flow 0.0207 0.0171 0.0174 0.0019
2.9758** 2.5766** 2.5732** 0.2285
On-premise outlet density 26.1311 33.6790 35.4976
2.0039* 1.4231 1.1493
On-Premise Outlet Density × Local Flow −8.2619 −11.1505 −13.3290
−2.2941* −1.5502 −1.3256
On-Premise Outlet Density × Highway Flow 0.1241 0.1829 0.2134
1.7869* 1.9942* 1.9911*
Drinking-Driver Density × On-Premise Outlet Density 0.0323 0.4440
0.0777 0.8691
Drinking-Driver Density × On-Premise Outlet Density × Local Flow −0.0021 −0.1194
−0.0186 −0.8840
Drinking-Driver Density × On-Premise Outlet Density × Highway Flow −0.0010 −0.0028
−0.5737 −1.1275
Lagged on-premise outlet density 15.5132
0.7617
Lagged Drinking-Driver Density × On-Premise Outlet Density −1.0669
−1.2749
Lagged On-Premise Outlet Density × Local Flow −9.6066
−1.3176
Lagged On-Premise Outlet Density × Highway Flow 0.2389
2.7030**
Lagged Drinking Driver Density × On-Premise Outlet Density × Local Flow 0.3580
1.2224
Lagged Drinking Driver Density × On-Premise Outlet Density × Highway Flow 0.0042
0.7040
Spatial autocorrelation
 ρs .1223 .0445 .0359 −.0071 .0758
t .9699 .3377 .2683 −.0520 .5556
Model test
 ΔG2 17.6503 20.7591 3.0901 15.6540
p .0005*** .0001*** .3779 .0157*
a

All densities are for local geographic units unless specified otherwise.

*

p < .05, one tailed;

**

p < .01, one tailed;

***

p < .001, one tailed.