Table 5.
Fully Adjusteda Race-Stratified Cox Models for Hazard of Breast Cancer-Specific Mortality Stratified by the Patient’s Race/Ethnicity
| Type of Segregation | Quartileb | NHW HR (95% CI) |
NHB (HR 95% CI) |
Hispanic (HR 95% CI) |
|---|---|---|---|---|
| Economic | Q1 | 2.40 (1.40, 4.13)* | 2.22 (1.10, 4.50 )* | 1.22 (0.91, 1.65) |
| Q2 | 2.79 (1.69, 4.62)* | 1.85 (0.88, 3.91) | 1.16 (0.91, 1.65) | |
| Q3 | 1.43 (0.88, 2.32) | 1.34 (0.63, 2.86) | 1.06 (0.74, 1.51) | |
| Q4 | Ref | Ref | Ref | |
| NHB | Q1 | 2.13 (1.16, 3.92)* | 0.79 (0.10, 6.12) | 2.38 (0.32, 17.7) |
| Q2 | 0.93 (0.51, 1.69) | 0.16 (0.01, 1.67) | 2.06 (0.27, 15.6) | |
| Q3 | 0.61 (0.28, 1.30( | 0.20 (0.01, 3.52) | 1.97 (0.24, 16.3) | |
| Q4 | Ref | Ref | Ref | |
| Hispanic | Q1 | 2.24 (1.35, 2.70)* | 1.15 (0.49, 2.69) | 1.27 (0.94, 1.72) |
| Q2 | 0.79 (0.45, 1.38) | 0.74 (0.27, 2.08) | 0.91 (0.63, 1.32) | |
| Q3 | 1.18 (0.71, 1.97) | 1.16 (0.41, 3.28) | 0.79 (0.58, 1.10) | |
| Q4 | Ref | Ref | Ref | |
| NHB Economic | Q1 | 4.61 (2.69, 7.85)* | 3.19 (0.76, 13.5) | 1.30 (0.80, 2.13) |
| Q2 | 2.80 (1.70, 4.63)* | 2.34 (0.52, 10.6) | 1.05 (0.66, 1.69) | |
| Q3 | 1.95 (1.14, 3.34)* | 1.19 (0.21, 6.9) | 1.01 (0.57, 1.81) | |
| Q4 | Ref | Ref | Ref | |
| Hispanic Economic | Q1 | 3.08 (1.85, 5.09)* | 2.99 (0.71, 12.6) | 1.14 (0.63, 2.07) |
| Q2 | 2.42 (1.32, 4.43) | 2.37 (0.55, 10.3) | 1.04 (0.52, 2.09) | |
| Q3 | 1.37 (0.76, 2.48) | 1.01 (0.19, 5.46) | 1.15 (0.56, 2.38) | |
| Q4 | Ref | Ref | Ref |
a
Adjusted for age, receptor status, and comorbidities.
b
Q1: Most marginalized neighborhoods; Q4: Most advantaged neighborhoods (reference)
*
Statistically significant at alpha < 0.05 level