Fig. 4

Multivariable analyses on the risk for advanced neoplasia and nonadvanced adenoma. Analyses were adjusted for sex, educational level, marital status, year of colonoscopy, smoking status, alcohol drinking, physical activity, body mass index, chronic diarrhoea, chronic constipation, mucus bloody stool, chronic appendicitis or appendectomy, chronic cholecystitis or cholecystectomy, psychiatric trauma in the past 20 years, personal history of any cancer, personal history of colorectal polyps and family history of colorectal cancer in first degree relatives. Abbreviations: OR, Odds ratio; CI, confidence interval; BMI, body mass index