Fig. 1

Age and sex adjusted estimates of questionnaire scores. Age and sex adjusted estimates of questionnaire scores (FF, FH and PA) and smoking habits. T0: baseline; T1: after 6 months post bariatric procedures. Vertical bars represent 95 % CI. FF, FH and PA scores were placed into tertiles; the worst evaluation was assigned to the lowest tertile while the best evaluation was assigned to the highest. Smoking habits were investigated with six semi-quantitative questions. Each question included multiple choices coded from a score ranging from 1 to 3; the minimum score was assigned to the healthiest habit. * Significance was settled a p < 0.05