Variable Odds Ratio (95% CI) p-value
Endoscopist Mean WT > 11 minutes vs.
< 11 minutes
5.5 (2.7, 11.2) <0.001
Male vs. Female 2.2 (1.2, 4.1) 0.01
Prep, Adequate vs. Fair 0.70 (0.34, 1.4) 0.33
Race   0.64
Black vs. White 0.98 (0.36, 2.6)  
Asian vs. White 2.7 (0.54, 13.2)  
Other vs. White 0.81 (0.30, 2.2)  
Smoker vs. non-smoker 1.3 (0.72, 2.4) 0.38
Age, 5 year increase 1.0 (0.98, 1.1) 0.43
Aspirin Use 0.76 (0.39, 1.5) 0.41
Diabetes 0.93 (0.40, 2.2) 0.87
Table 3: Proximal Serrated Polyp Detection Rate: Multivariable logistic regression. WT: Withdrawal time.