Skip to main content

Table 2 Hazards of death from breast cancer in Māori and Pacific women in comparison with non-Māori non-Pacific women

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)

  1. a% attenuation compared with Model 1
  2. b95% bootstrap confidence interval