21
Appendix A. Multivariate Analysis Results Using Alternative Indicator of
Administrative Capacity
Medical Approach Renewal Requirements Approach
A. Main Effects Med Policy
Age-Targeted
Scale Renewal Cycle Requirements
Doctors/100,000 Pop. -.003* -.002 -.001
% 65 or Older .051 .020 -.179*
Older Driver Fatal Crash Rate .002 .095* .135**
Fiscal Health .004 .030** -.030
Political Competition (Ranney) .014* .019 .025
% Urban .016** .022** .003
Administrative Capacity -.072 .225 .106
Adjusted/Cox and Snell R
2
.11 .12 .06
N
201
233
232
Medical Approach Renewal Requirements Approach
B. Interaction Effects Med Policy
Age-Targeted
Scale Renewal Cycle Requirements
Doctors/100,000 Pop. .002 -.030 .075**
% 65 or Older -.630** .071 -.214
Older Driver Fatal Crash Rate -.002 .094* .139**
Fiscal Health .005 .030** -.027
Political Competition (Ranney) -.072* -.037 .201
% Urban .015** .023** .002
Administrative Capacity -.073 .251 .068
% 65 or Older x Ranney .008** -.001 .001
Doctors/100,000 x Ranney .000 .000 -.001**
Adjusted R
2
.16 .12 .10
N
201
233
232
Figures shown are unstandardized (linear) regression coefficients (for Medical Strategy
and Renewal Cycle) and logistic regression coefficients (for Age-Targeted
Requirements).
* p
.05 ** p .01