Fig 1. Prevalence of smokers by status additionally stratified by BMI for heavy and never smokers SHS 2012.

Men n = 35,880 (missing n = 2,949) and women n = 44,142 (missing n = 2,604). BMI (Body Mass Index, kg/m²): underweight <18.5, normal-weight ≥18.5–<25, overweight ≥25–<30, obesity ≥30; Smoking status: never, former, light (1–9 cigarettes per day), moderate (10–19), heavy smoker (>19); SHS: Swiss Health Survey; Results are weighted according to the general population of Switzerland.