| Colonoscopy | Flexible sigmoidoscopy | Barium enema | |||
---|---|---|---|---|---|---|
 | Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval |
Sex | Â | Â | Â | Â | Â | Â |
   Male | 1.00 |  | 1.00 |  | 1.00 |  |
   Female | 0.97 | 0.97, 1.00 | 0.89 | 0.86, 0.93 | 1.13 | 1.04, 1.24 |
Age | Â | Â | Â | Â | Â | Â |
   65–69 | 1.00 |  | 1.00 |  | 1.00 |  |
   70–74 | 1.06 | 1.01, 1.10 | 0.94 | 0.89, 0.99 | 1.25 | 1.10, 1.41 |
   75–79 | 1.04 | 1.00, 1.08 | 0.78 | 0.74, 0.82 | 1.35 | 1.19, 1.52 |
   ≥ 80 | 0.77 | 0.74, 0.81 | 0.46 | 0.43, 0.49 | 1.38 | 1.22, 1.55 |
Race | Â | Â | Â | Â | Â | Â |
   White | 1.00 |  | 1.00 |  | 1.00 |  |
   Black | 0.87 | 0.76, 0.99 | 0.79 | 0.66, 0.95 | 0.81 | 0.55, 1.18 |
   Hispanic | 0.61 | 0.48, 0.80 | 0.32 | 0.20, 0.50 | 1.84 | 1.22, 2.78 |
   Asian | 0.78 | 0.69, 0.89 | 0.73 | 0.62, 0.87 | 0.59 | 0.40, 0.87 |
   Other | 0.87 | 0.76, 0.99 | 0.69 | 0.58, 0.83 | 0.49 | 0.31, 0.77 |
Residence | Â | Â | Â | Â | Â | Â |
   Rural | 1.00 |  | 1.00 |  | 1.00 |  |
   Urban | 1.06 | 1.02, 1.11 | 1.10 | 1.05, 1.16 | 1.11 | 0.99, 1.24 |