Table 2.

Colorectal cancer screening rates in 2013/14 stratified by age, immigration, and income quintile with and without adjustment for other patient characteristics (age, rurality, comorbidity, and morbidity)

OverallFOBT within 30 monthsColonoscopy within 10 years
Crude % up-to-dateUnadjusted OR (95% CI)Adjusted OR (95% CI)Crude % up-to-dateUnadjusted OR (95% CI)Adjusted OR (95% CI)Crude % up-to-dateUnadjusted OR (95% CI)Adjusted OR (95% CI)
Female
 Recent immigrant
  Q140.040.961 (0.926–0.998)0.84 (0.806–0.875)30.841.137 (1.092–1.184)1.043 (0.999–1.089)12.700.746 (0.708–0.785)0.662 (0.627–0.699)
  Q240.740.99 (0.952–1.029)0.904 (0.867–0.943)31.111.152 (1.105–1.201)1.086 (1.04–1.135)12.980.764 (0.724–0.806)0.707 (0.669–0.748)
  Q341.711.03 (0.991–1.071)0.941 (0.902–0.982)31.241.158 (1.111–1.208)1.086 (1.039–1.136)13.890.826 (0.784–0.873)0.767 (0.726–0.811)
  Q441.951.04 (1–1.082)0.974 (0.933–1.016)30.411.115 (1.068–1.163)1.057 (1.011–1.106)14.980.903 (0.856–0.952)0.861 (0.815–0.909)
  Q540.99ReferenceReference28.17ReferenceReference16.33ReferenceReference
 Long-term resident
  Q153.810.651 (0.645–0.657)0.625 (0.619–0.631)28.991.025 (1.015–1.035)1.061 (1.05–1.072)31.760.592 (0.586–0.597)0.557 (0.551–0.562)
  Q257.660.761 (0.755–0.768)0.732 (0.725–0.739)30.681.11 (1.1–1.121)1.129 (1.118–1.14)34.670.674 (0.668–0.68)0.641 (0.635–0.647)
  Q359.640.826 (0.819–0.834)0.799 (0.792–0.807)30.521.102 (1.092–1.113)1.112 (1.101–1.123)37.120.75 (0.744–0.757)0.721 (0.714–0.728)
  Q461.690.9 (0.892–0.908)0.875 (0.867–0.883)30.061.079 (1.069–1.089)1.079 (1.069–1.09)39.70.837 (0.829–0.844)0.812 (0.805–0.82)
  Q564.14ReferenceReference28.49ReferenceReference44.04ReferenceReference
Male
 Recent immigrant
  Q135.580.884 (0.85–0.918)0.785 (0.752–0.819)26.661.122 (1.075–1.171)1.064 (1.017–1.114)11.880.643 (0.61–0.677)0.573 (0.542–0.606)
  Q237.110.944 (0.908–0.982)0.866 (0.829–0.905)27.191.153 (1.103–1.204)1.107 (1.057–1.16)13.150.722 (0.684–0.761)0.665 (0.629–0.702)
  Q338.300.993 (0.955–1.034)0.894 (0.856–0.934)27.981.199 (1.148–1.253)1.129 (1.078–1.184)13.830.765 (0.725–0.807)0.694 (0.657–0.733)
  Q438.340.995 (0.956–1.035)0.917 (0.877–0.958)26.841.132 (1.083–1.184)1.073 (1.023–1.125)14.770.826 (0.784–0.871)0.775 (0.733–0.819)
  Q538.46ReferenceReference24.47ReferenceReference17.34ReferenceReference
 Long-term resident
  Q145.410.542 (0.537–0.547)0.549 (0.544–0.555)23.810.951 (0.941–0.961)1.041 (1.03–1.053)27.000.481 (0.477–0.486)0.479 (0.474–0.484)
  Q250.680.67 (0.664–0.676)0.663 (0.656–0.669)26.091.075 (1.064–1.086)1.13 (1.118–1.142)30.890.582 (0.576–0.587)0.569 (0.563–0.574)
  Q353.690.756 (0.749–0.762)0.743 (0.736–0.75)26.461.096 (1.085–1.107)1.129 (1.118–1.141)34.030.671 (0.665–0.677)0.655 (0.649–0.662)
  Q456.620.851 (0.843–0.858)0.837 (0.829–0.845)26.361.09 (1.079–1.101)1.106 (1.095–1.117)37.560.783 (0.776–0.79)0.768 (0.761–0.776)
  Q560.54ReferenceReference24.73ReferenceReference43.45ReferenceReference
  • Abbreviations: Q1, lowest income quintile; Q5, highest income quintile.