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Table 4
FGLS Regression: Involved Drivers in Total and Fatal Crashes, ≥ 601

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Variable Total crashes
(a)		 Fatal crashes
(b)
Coeff z-stat Coeff z-stat
Rpcinc –3.60E-04 –0.67 –1.00E-04 –1.45
Cpigas –0.262 –4.35 –0.012 –1.48
Cpialc –0.118 –1.98 –0.010 –1.28
Uerate 15.901 0.99 2.044 1.08
Vmtge60 3.91E-07 3.47 — —
Vmtlt60 3.31E-08 1.71 — —
Totvmt — — 2.83E-10 1.78
Popden –0.169 –3.15 –2.33E-04 –0.18
Pctge60 147.575 3.14 5.054 0.78
Alclic 0.016 4.06 4.18E-04 4.53
AB541 –2.901 –1.80 0.033 0.14
APS 0.022 0.01 –0.071 –0.23
Slmt_65 2.062 1.24 0.713 3.66
Slmt_70 4.108 2.67 0.084 0.48
Pc_dui2 98.784 2.51 –19.779 –0.14
Constant 138.594 5.11 3.993 2.17
  ρ range: (-0.131, 0.929)
mean ρ: 0.660
Wald χ2(71) = 31837.1
Prob > χ2(71) = 0.0
 ρ range: (-0.465, 0.470)
ρ mean : -0.022
Wald χ2(71) = 2416.6
Prob > χ2(71) = 0.0

1 Estimates of the constant term and fixed effects are not reported for 57 counties, normalizing on the 58th county, Yuba.

2 Predicted Pc_dui was used in the fatal crashes equation.
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