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Table 4 Full Regression Models for Receipt of FOBT, Endoscopy, and Any test

From: Increasing uptake of colorectal cancer screening in Korea: a population-based study

  Model 1: FOBT Model 2: Endsoscopya Model 3: Any testb
  aOR 95% CI P aOR 95% CI P aOR 95% CI P
Gender          
   Male 1.00 Referent   1.00 Referent   1.00 Referent  
   Female 0.84 0.64 - 1.11 0.212 0.73 0.57 - 0.93 0.011 0.72 0.58 - 0.90 0.003
Age, y          
   50 - 59 1.00 Referent   1.00 Referent   1.00 Referent  
   60 - 69 1.38 1.12 - 1.70 0.003 1.45 1.20 - 1.76 0.001 1.49 1.26 - 1.75 <0.001
   70 - 79 0.94 0.67 - 1.34 0.787 0.91 0.65 - 1.27 0.591 0.90 0.69 - 1.22 0.471
Education (years)          
   Did not complete high school 1.00 Referent   1.00 Referent   1.00 Referent  
   High school graduate or above 1.00 0.80 - 1.24 0.984 1.09 0.90- 1.33 0.390 1.03 0.87 - 1.22 0.727
Monthly household income (US$)          
   Less than 1,500 1.00 Referent   1.00 Referent   1.00 Referent  
   1,500 - 3,000 0.97 0.75 - 1.24 0.797 1.27 1.00 - 1.61 0.053 1.13 0.92 - 1.37 0.241
   3,000 or more 1.11 0.83 - 1.49 0.489 1.81 1.37 - 2.38 <0.001 1.51 1.19 - 1.91 0.001
Self-reported health status          
   Fair/poor 1.00 Referent   1.00 Referent   1.00 Referent  
   Good 1.41 1.01 - 1.96 0.044 0.87 0.67 - 1.14 0.319 1.05 0.82 - 1.33 0.702
   Excellent/very good 1.53 1.12 - 2.08 0.007 0.79 0.61 - 1.01 0.064 1.02 0.82 - 1.27 0.859
Smoking status          
   Current smoker 1.00 Referent   1.00 Referent   1.00 Referent  
   Former smoker 1.25 0.92 - 1.69 0.153 1.06 0.79 - 1.42 0.698 1.23 0.96 - 1.57 0.096
   Never smoked 1.21 0.89 - 1.64 0.225 1.56 1.19 - 2.06 0.002 1.54 1.21 - 1.95 0.001
Time          
   2005 1.00 Referent   1.00 Referent   1.00 Referent  
   2006 2.13 1.55 - 2.93 <0.001 0.92 0.72 - 1.17 0.508 1.31 1.06 - 1.62 0.014
   2007 2.98 2.19 - 4.06 <0.001 1.02 0.80 - 1.29 0.900 1.42 1.15 - 1.75 0.001
   2008 3.57 2.64 - 4.83 <0.001 1.16 0.91 - 1.47 0.204 1.94 1.58 - 2.40 <0.001
-2 log likelihood   3005.931   3502.828   4375.334
  1. a Flexible sigmoidoscopy and colonscopy.
  2. b Includes FOBT and/or endoscopy. The number screened does not equal the sum of participants (i.e., people may have had > 1 test).