Skip to main content

Table 4 Multivariable logistic regression analysis for factors associated with use of adjuvant radiotherapy (Number of patients included in the regression analysis = 1643 [96.2%])

From: A cohort study of ethnic differences in use of adjuvant chemotherapy and radiation therapy for breast cancer in New Zealand

Characteristic

OR

95% CI

p

Māori ethnicitya

0.63

0.40-0.98

0.040

Ageb

0.96

0.95-0.98

<0.001

Year of diagnosisc

1.07

1.02-1.11

0.004

Deprivationd

0.92

0.79-1.06

0.232

Distancee

   

 10-50 km

0.74

0.50-1.09

0.130

 50-100 km

0.67

0.44-1.03

0.067

  > 100km

0.47

0.23-0.96

0.040

Charlson scoref

0.49

0.34-0.72

<0.001

Surgery in public vs. private

0.86

0.61-1.26

0.467

Non-screen vs. screen detection

0.53

0.35-0.79

0.002

Mastectomy vs. BCS

0.32

0.17-0.57

<0.001

T stageg

   

 T 2

0.84

0.57-1.24

0.394

 T 3

1.09

0.53-2.24

0.809

 T 4

1.42

0.66-3.07

0.366

N stageh

   

 N 1

1.45

0.94-2.24

0.093

 N 2+

2.66

1.38-5.10

0.003

  1. aMaori compared with NZ European ethnicity
  2. bAge as a continuous variable
  3. cYear of diagnosis as a continuous variable
  4. dDeprivation as a continuous variable
  5. eReference category Distance <10km
  6. fReference category Charlson score = 0
  7. gReference category T1 stage
  8. hReference category N0 stage