Table 3.

Cox proportional hazards regression models relating redlining to all-cause and colorectal cancer–specific mortality

Black patients (n = 682)White patients (n = 4,699)
Model 2.1Model 2.2Model 2.3Model 2.4
HR (95% CI)HR (95% CI)HR (95% CI)HR (95% CI)
All-cause survival
 Population density (100 per sq km)1.05 (0.73–1.52)0.89 (0.64–1.25)1.24a (1.07–1.44)1.23a (1.06–1.43)
 Redlining index (continuous)0.82 (0.66–1.02)1.01 (0.85–1.20)
 Redlining index (binary; ≥1)1.08 (0.63–1.86)0.96 (0.84–1.09)
Colorectal cancer–specific survival
 Population density (100 per sq km)1.11 (0.71–1.73)0.89 (0.59–1.35)1.25a (1.03–1.51)1.23a (1.06–1.51)
 Redlining index (continuous)0.80 (0.62–1.05)1.05 (0.84–1.31)
 Redlining index (binary; ≥1)0.70 (0.38–1.29)0.96 (0.81–1.15)