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Table 5 Adjusted relative risk (ARR) of having a screen-detected breast cancera

From: Disparities in breast cancer diagnosis for immigrant women in Ontario and BC: results from the CanIMPACT study

  BC Ontario
Immigrants overall ARR [95% CI] ARR [95% CI]
 Long-term residents 0.88 [0.79–0.96] 0.88 [0.84–0.93]
Region of Origin 1.0 1.0
 East Asia & Pacific 0.85 [0.75–0.97] 0.86 [0.78–0.95]
 Eastern Europe & Central Asia 0.86 [0.61–1.22] 0.89 [0.79–1.01]
 Latin America & Caribbean 1.34 [0.92–1.96] 0.80 [0.69–0.94]
 Middle East & North Africa 0.96 [0.67–1.38] 1.00 [0.86–1.16]
 South Asia 0.96 [0.74–1.23] 0.80 [0.71–0.91]
 Sub-Saharan Africa 0.88 [0.54–1.43] 0.94 [0.75–1.18]
 USA/New Zealand/ Australia 0.67 [0.41–1.10] 1.00 [0.74–1.35]
 Western Europe 0.77 [0.55–1.08] 1.09 [0.90–1.32]
 Long-term residents 1.0 1.0
Immigrant Class ARR [95% CI] ARR [95% CI]
 Economic 0.91 [0.80–1.03] 0.93 [0.86–1.00]
 Family 0.81 [0.69–0.95] 0.83 [0.76–0.90]
 Refugee 0.95 [0.66–1.36] 0.88 [0.76–1.01]
 Other 1.09 [0.41–2.92] 0.94 [0.66–1.33]
 Long-term residents 1.0 1.0
Time in Canada ARR [95% CI] ARR [95% CI]
 Less than 10 years 0.80 [0.68–0.95] 0.76 [0.69–0.85]
 10 years or more 0.91 [0.81–1.02] 0.94 [0.88–0.99]
 Long-term residents 1.0 1.0
  1. aSeparate analyses were run stratifying immigrant women by 1) region of origin, 2) immigrant class and 3) time in Canada. Control variables in the models were age at diagnosis, level of co-morbidity and neighbourhood income quintile. Significant results are bolded