|  | Ratio of discrepancy-distance medians* (95% CI) |
---|---|---|
Poverty in census tract | Two-fold increase | 0.87 (0.85 – 0.91) |
Density of census tract | Two-fold increase | 0.90 (0.88 – 0.91) |
Multi-stage reference file | Local Parcels | 1.00 (reference) |
 | Local Roads | 0.89 (0.82–0.96) |
 | TIGER-based | 0.47 (0.44–0.51) |