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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
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BMC Cancer

ISSN: 1471-2407

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