According to findings from a nationally representative sample of Korean workers, the smoking rate of Korean male workers is 54.1% , which is even higher than that of Korean male adults, 49.8% A finding from the National Health Interview Survey for 2014–2016 is that 22.1% of working US adults reported current use of tobacco, and smoking prevalence varied widely by industry, ranging from about 10% in education services to more than 30% in construction and food services . Based on a review about the economic impact of smoking, tobacco use costs the world an estimated $500 billion each year in health-care expenditures due to smoking-related illness, productivity losses, fire damage, and other costs