Table 2.

Multivariate logistic regression analysis of the risk factors for colorectal adenomas

Variable	β	SE	P	OR	95% CI
Intercept	-5.031	0.253	< 0.001	-	-
Gender (M vs F)	0.696	0.072	< 0.001	2.005	1.740-2.310
Age (per year)	0.045	0.003	< 0.001	1.046	1.040-1.052
Smoke (yes vs no)	0.320	0.094	0.001	1.377	1.146-1.654
Alcohol (yes vs no)	-0.010	0.093	0.915	0.990	0.826-1.187
Body fat (%)	0.016	0.005	0.001	1.016	1.007-1.026
WBC (per 103/μL)	0.038	0.017	0.025	1.038	1.005-1.073
H. pylori (yes vs no)	0.312	0.054	< 0.001	1.366	1.230-1.517
MS (yes vs no)	0.342	0.068	< 0.001	1.408	1.231-1.610

WBC: White blood cell; H. pylori: Helicobacter pylori; MS: Metabolic syndrome; OR: Odd ratio; CI: Confidence interval.