From: Ethnic disparities in breast cancer survival in New Zealand: which factors contribute?
Models | Additional variables in the model | Hazard ratios (95% CI) | % attenuationa (95% CIb) |
---|---|---|---|
Māori vs. non-Māori non-Pacific | |||
1. Age and year of diagnosis adjusted | 1.76 (1.51, 2.04) | ||
2. Model 1 + Tumour biology | Grade | 1.73 (1.49, 2.01) | |
Histology | 1.73 (1.49, 2.02) | ||
Hormone receptor status | 1.82 (1.56, 2.13) | −6.5 (−18.3, 2.3) | |
3. Model 2 + Area of residence | NZDep2006 | 1.70 (1.45, 1.99) | |
Rurality | 1.69 (1.44, 1.98) | ||
Registries | 1.67 (1.42, 1.96) | 9.2 (−3.7, 22.6) | |
4. Model 3 + Mode of diagnosis | Screen detected | 1.58 (1.35, 1.85) | 18.7 (5.7, 33.7) |
5. Model 4 + Tumour stage at diagnosis | Stage | 1.26 (1.07, 1.49) | 58.8 (33.9, 83.1) |
6. Model 5 + Comorbidity | C3 index scores | 1.27 (1.07, 1.49) | 58.2 (32.6, 82.0) |
7. Model 6 + Treatment facility type | Public vs. private | 1.21 (1.02, 1.43) | 66.5 (44.0, 97.6) |
8. Model 7 + Treatment factors | Time to first treatment | 1.21 (1.02, 1.43) | |
Loco-regional therapy | 1.14 (0.95, 1.36) | ||
Systemic therapy | 1.15 (0.97, 1.37) | 74.9 (51.2, 110.0) | |
Pacific vs. non-Māori non-Pacific | |||
1. Age and year of diagnosis adjusted | 1.97 (1.67, 2.32) | ||
2. Model 1 + Tumour biology | Grade | 1.78 (1.50, 2.10) | |
Histology | 1.78 (1.50, 2.11) | 8.9 (−0.6, 18.2) | |
Hormone receptor status | 1.85 (1.56, 2.20) | ||
3. Model 2 + Area of residence | NZDep2006 | 1.70 (1.42, 2.03) | |
Rurality | 1.71 (1.43, 2.05) | ||
Registries | 1.78 (1.48, 2.13) | 15.0 (0.2, 30.2) | |
4. Model 3 + Mode of diagnosis | Screen detected | 1.66 (1.38, 1.99) | 25.0 (10.4, 42.1) |
5. Model 4 + Tumour stage at diagnosis | Stage | 1.19 (0.98, 1.44) | 74.3 (55.8, 106.8) |
6. Model 5 + Comorbidity | C3 index scores | 1.19 (0.98, 1.44) | 74.5 (55.8, 106.8) |
7. Model 6 + Treatment facility type | Public vs. private | 1.11 (0.92, 1.35) | 84.0 (62.9, 117.6) |
8. Model 7 + Treatment factors | Time to first treatment | 1.12 (0.92, 1.36) | |
Loco-regional therapy | 1.04 (0.85, 1.27) | ||
Systemic therapy | 1.01 (0.82, 1.23) | 98.9 (74.1, 137.6) |