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Table 3 Multivariate model for immigrant cohort by cancer site. Variables included in the model are age, sex (for colorectal cancer), income, region of birth and length of stay

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) b p -value
Colorectal Cancer Male Age a 1.38 (1.36, 1.39) <.0001
Income   
 1 1.00  
 2 0.98 (0.88, 1.10) 0.76
 3 1.06 (0.95, 1.19) 0.29
 4 1.01 (0.90, 1.14) 0.86
 5 1.00 (0.88, 1.14) 0.98
Place of birth   
 East Asia and Pacific 1.00  
 Europe and Central Asia 1.45 (1.32, 1.60) <.0001
 Latin America and the Caribbean 0.70 (0.61, 0.80) <.0001
 Middle East and North Africa 0.90 (0.78, 1.03) 0.12
 South Asia 0.45 (0.40, 0.51) <.0001
 Sub-Saharan Africa 0.88 (0.72, 1.06) 0.17
 US, Australia and New Zealand 0.80 (0.58, 1.09) 0.16
Length of stay a 1.05 (1.02, 1.08) 0.0025
Colorectal Cancer Female Age a 1.35 (1.33, 1.36) <.0001
Income   
 1 1.00  
 2 0.92 (0.82, 1.03) 0.15
 3 0.93 (0.82, 1.04) 0.21
 4 1.02 (0.90, 1.15) 0.81
 5 0.93 (0.81, 1.06) 0.27
Place of birth   
 East Asia and Pacific 1.00  
 Europe and Central Asia 1.31 (1.19, 1.45) <.0001
 Latin America and the Caribbean 0.89 (0.78, 1.01) 0.062
 Middle East and North Africa 0.88 (0.74, 1.04) 0.12
 South Asia 0.42 (0.36, 0.49) <.0001
 Sub-Saharan Africa 0.67 (0.54, 0.85) 0.0008
 US, Australia and New Zealand 0.86 (0.63, 1.16) 0.31
Length of stay a 1.05 (1.01, 1.08) 0.0046
Breast Cancer Female Age a 1.19 (1.18, 1.19) <.0001
Income   
 1 (lowest) 1.00  
 2 1.00 (0.94, 1.06) 0.99 *
 3 1.10 (1.03, 1.16) 0.0021
 4 1.13 (1.06, 1.19) 0.0001
 5 (highest) 1.13 (1.06, 1.20) 0.0004
Place of birth   
 East Asia and Pacific 1.00  
 Europe and Central Asia 1.19 (1.12, 1.25) <.0001
 Latin America and the Caribbean 0.96 (0.90, 1.03) 0.22
 Middle East and North Africa 1.29 (1.20, 1.39) <.0001
 South Asia 0.86 (0.81, 0.91) <.0001
 Sub-Saharan Africa 0.95 (0.86, 1.05) 0.35
 US, Australia and New Zealand 1.14 (0.99, 1.30) 0.06
Length of stay a 1.07 (1.05, 1.08) <.0001
  1. aper 5 years
  2. bbinomial regression models
  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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