From: Macro-level factors impacting geographic disparities in cancer screening
 | BC screening, 2003-2005 | CRC screening, 2001-2005 | ||||||
---|---|---|---|---|---|---|---|---|
 | Base model | Interactions | Base model | Interactions | ||||
Variable | Coeff | Pval | Coeff | Pval | Coeff | Pval | Coeff | Pval |
% Age 75-84 in FFS Medicare | -0.081 | 0.036 | -0.081 | 0.035 | 0.010 | 0.773 | 0.009 | 0.785 |
% Age 85+ in FFS Medicare | -0.299 | 0.000 | -0.295 | 0.000 | -0.462 | 0.000 | -0.455 | 0.000 |
% Dual or ESRD in FFS Medicare | -0.381 | 0.000 | -0.383 | 0.000 | -0.264 | 0.000 | -0.266 | 0.000 |
% Black in FFS Medicare | 0.107 | 0.000 | 0.107 | 0.000 | 0.076 | 0.000 | 0.076 | 0.000 |
% Hispanic in FFS Medicare | 0.038 | 0.404 | 0.036 | 0.420 | -0.016 | 0.624 | -0.015 | 0.651 |
% Other race in FFS Medicare | -0.151 | 0.000 | -0.147 | 0.000 | 0.030 | 0.136 | 0.034 | 0.098 |
% Mover in 2001-2005 in FFS Medicare | 0.177 | 0.000 | 0.175 | 0.000 | 0.062 | 0.000 | 0.062 | 0.000 |
Average distance to closest provider | -0.035 | 0.000 | -0.034 | 0.000 | -0.040 | 0.000 | -0.039 | 0.000 |
managed care penetration | -0.016 | 0.131 | 0.190 | 0.005 | 0.033 | 0.000 | 0.217 | 0.000 |
Population density in 2001 (in thousands) | -0.133 | 0.035 | -0.133 | 0.034 | 0.100 | 0.054 | 0.099 | 0.055 |
% US population in poverty in 2001 | -0.099 | 0.019 | -0.092 | 0.029 | -0.168 | 0.000 | -0.161 | 0.000 |
% states allowing NP to practice and/or prescribe | -0.109 | 0.935 | -0.112 | 0.934 | -0.996 | 0.276 | -1.003 | 0.283 |
% of counties with MD Shortage | -0.204 | 0.134 | -0.202 | 0.140 | 0.075 | 0.422 | 0.076 | 0.423 |
% of Medicare population with Supplemental MediGap | -0.088 | 0.230 | -0.084 | 0.256 | -0.019 | 0.703 | -0.016 | 0.757 |
REG 1 (R14 = 1, R25 = 1)1 | 1.198 | 0.560 | 1.842 | 0.377 | 3.771 | 0.007 | 4.379 | 0.002 |
REG 2 (R14 = 1)1 | 1.358 | 0.578 | 2.024 | 0.415 | 2.370 | 0.155 | 2.824 | 0.102 |
Interaction REG1 with managed care penetration | Â | Â | -0.210 | 0.002 | Â | Â | -0.188 | 0.001 |
Interaction REG2 with managed care penetration | Â | Â | -0.213 | 0.003 | Â | Â | -0.180 | 0.002 |
Sum of direct and indirect tests | BC Model | Â | CRC Model | |||||
 | Joint effect | p-value |  | Joint effect | p-value | |||
Effects of increasing managed care penetration in REG1 states vs Unregulated states | -0.020 | 0.098 | Â | 0.029 | 0.003 | |||
Effects of increasing managed care penetration in REG2 states vs Unregulated states | -0.023 | 0.347 | Â | 0.037 | 0.060 | |||
Effects of increasing managed care penetration in Unregulated states | 0.190 | 0.005 | Â | 0.217 | 0.000 |