Table 3.

Co-variate factors’ unadjusted and adjusted risks for advanced adenoma on surveillance exam

Factor	Unadjusted OR (95% Cl)	Adjusted OR (95% Cl)
Age (per year)	1.03(1.02–1.04)	1.02(1.02–1.04)
Sex (male reference)	0.76 (0.62–0.94)	0.87(0.68–1.11)
BMI	1.02(1.00–1.04)	1.02(1.00–1.04)
Family history of CRC (FDR) (none reference)	1.18(0.93–1.49)	1.18(0.91–1.53)
Current smokers (never reference)	1.28(0.91–1.78)	1.13(0.77–1.65)
Past (never reference)	1.17(0.93–1.46)	1.02(0.80–1.30)
Previous adenomas (none reference)	1.50(1.22–1.86)	1.28(1.00–1.63)
Aspirin use (regular use) (none reference)	1.25(1.02–1.53)	1.08(0.85–1.36)
Alcohol use (at least 5 drinks per week) (< 5 reference)	0.93(0.74–1.16)	1.00(0.78–1.28)
Education (HS or more versus lower level)	0.81 (0.57–1.16)	0.90(0.57–1.43)
Regular exercise (at least 1/week) (none reference)	0.74(0.60–0.91)	0.88(0.70–1.11)
Clinically significant serrated polyps at index (none reference)	1.55(1.13–2.12)	1.44(1.02–2.04)
ADR of endoscopist who completed index colonoscopy	1.00(0.99–1.01)	0.99(0.98–1.01)
ADR of endoscopist who conducted surveillance colonoscopy	1.00(1.00–1.01)	1.01 (1.00–1.02)
Months to surveillance exam	1.00(0.99–1.00)	1.01 (1.00–1.01)