Table 3.

Patient race-specific survival models controlling for the effects of ZCTA poverty and patient age and stage

Model 3.1: Local IsolationModel 3.2: LQ
All causeBreast cancer specificAll causeBreast cancer specific
HR (95% CI)HR (95% CI)HR (95% CI)HR (95% CI)
White patients (n = 7,164)
 Black segregation0.99 (0.97–1.02)0.98 (0.95–1.01)0.86 (0.59–1.24)0.69 (0.39–1.20)
 Hispanic segregation1.04a (1.00–1.08)1.04 (0.98–1.09)1.43a (0.96–2.14)1.47 (0.84–2.57)
Black patients (n = 940)
 Black segregation0.91 (0.85–0.98)0.91 (0.83–1.00)0.37 (0.14–0.92)0.35 (0.11–1.11)
 Hispanic segregation0.98 (0.86–1.11)0.91 (0.78–1.07)0.88 (0.21–3.80)0.49 (0.08–3.07)
Hispanic patients (n = 252)
 Black segregation1.12 (0.92–1.35)1.16 (0.93–1.44)3.52 (0.24–52.0)3.70 (0.21–66.4)
 Hispanic segregation1.02 (0.83–1.25)1.04 (0.83–1.30)1.08 (0.16–7.43)1.20 (0.15–9.58)
  • NOTE: Segregation hazard ratio magnitude cannot be directly compared across isolation and LQ models, due to differences in unit definition. Bolded indicates significance at 95% confidence.

  • aP < 0.10.