Variable Odds Ratio (95% CI) p-value
Endoscopist Mean WT > 11 minutes 5.3 (2.6, 10.8) <0.001
Male vs. Female 2.2 (1.2,  3.9) 0.01
Prep quality, Adequate vs. Fair 0.70 (0.35, 1.4) 0.3
Race   0.74
Black vs. White 0.97 (0.37, 2.5)  
Asian vs. White 2.4 (0.51, 10.8)  
Other vs. White 0.97 (0.37, 2.5)  
Smoker vs. non-smoker 1.3 (0.75, 2.3) 0.33
BMI, normal = 18.5 - 24.9   0.15
Underweight (<18.5) vs. normal 0.75 (0.04, 14.9)  
Overweight (25-29.9) vs. normal 2.6 (1.1, 6.6)  
Obese (>30) vs. normal 1.5 (0.57, 4.1)  
Age, 5 year increase 1.1 (0.89, 1.3) 0.51
Aspirin Use 0.94 (0.52, 1.7) 0.84
Diabetes 1.0 (0.48, 2.3) 0.93
Table 2: Proximal Serrated Polyp Detection Rate: Univariable logistic regression. BMI: Body Mass Index; WT: Withdrawal time