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Table 2 Multivariate model for entire cohort by cancer site. Variables included in the model are age, sex (for colorectal cancer), income and region of birth

From: Incidence of breast and colorectal cancer among immigrants in Ontario, Canada: a retrospective cohort study from 2004-2014

Cancer

Sex

Covariate

RR (95% CI)a

p-value

Colorectal Cancer

Male

Age b

1.41 (1.40, 1.41)

<.0001

Income

  

 1 (lowest)

1.00

 

 2

1.04 (1.01, 1.08)

0.0062*

 3

1.03 (1.00, 1.06)

0.08

 4

1.02 (0.99, 1.05)

0.22

 5 (highest)

0.96 (0.93, 0.99)

0.0107

Place of birth

  

 Long term resident

1.00

 

 East Asia and Pacific

0.57 (0.53, 0.61)

<.0001

 Europe and Central Asia

0.87 (0.80, 0.93)

<.0001

 Latin America and the Caribbean

0.42 (0.36, 0.47)

<.0001

 Middle East and North

0.52 (0.46, 0.59)

<.0001

 South Asia

0.26 (0.23, 0.29)

<.0001

 Sub-Saharan Africa

0.52 (0.43, 0.63)

<.0001

 USANZ

0.47 (0.34, 0.64)

<.0001

Colorectal Cancer

Female

Age b

1.40 (1.35, 1.36)

<.0001

Income

  

 1

1.00

 

 2

1.01 (0.98, 1.05)

0.40 *

 3

1.00 (0.96, 1.04)

0.97

 4

0.98 (0.95, 1.01)

0.34

 5

0.95 (0.92, 0.99)

0.0059

Place of birth

  

 Long term resident

1.00

 

 East Asia and Pacific

0.64 (0.60, 0.69)

<.0001

 Europe and Central Asia

0.86 (0.79, 0.92)

<.0001

 Latin America and the

0.58 (0.52, 0.65)

<.0001

 Middle East and North

0.57 (0.48, 0.66)

<.0001

 South Asia

0.27(0.23, 0.30)

<.0001

 Sub-Saharan Africa

0.44 (0.35, 0.6)

<.0001

 USANZ

0.56 (0.41, 0.75)

0.0001

Breast Cancer

Female

Age b

1.21 (1.21, 1.21)

<.0001

Income

  

 1

1.00

 

 2

1.07 (1.04, 1.09)

<.0001 *

 3

1.12 (1.09, 1.14)

<.0001

 4

1.17 (1.14, 1.19)

<.0001

 5

1.21 (1.18, 1.24)

<.0001

Place of birth

  

 Long term resident

1.00

 

 East Asia and Pacific

0.74 (0.71, 0.77)

<.0001

 Europe and Central Asia

0.90 (0.86, 0.94)

<.0001

 Latin America and the

0.74 (0.70, 0.79)

<.0001

 Middle East and North

0.96 (0.90, 1.03)

0.25

 South Asia

0.64 (0.60, 0.67)

<.0001

 Sub-Saharan Africa

0.73 (0.66, 0.80)

<.0001

 USANZ

0.86 (0.75, 0.97)

0.018

  1. aBinomial regression model
  2. bper 5 years
  3. *P value of trend p < 0.005
  4. Bold values are <0.05