ALB and polyp of large intestine: While in the multivariate models, regular cigarette smoking (adjusted hazard ratio [AHR] 1.842; 95% CI 1.139–2.980; P = 0.013) and lower albumin (AHR 0.901; 95% CI 0.819–0.991; P = 0.032) were the independent risk factors for the development of colorectal polyps.