Passive smokers: A passive smoker is an individual who breathes in the smoke from other people’s cigarettes, cigars, or pipes. Also known as Secondhand smoke, this type of smoking is accidental and can affect non-smokers and children The factors of unemployment (OR = 1.364, 95% CI 0.725–2.563), retirement (OR = 1.217, 95% CI 0.667–2.223), and exposure to secondhand smoke at home (OR = 1.364, 95% CI 1.055–1.763) increased the risk of heavy smoking. Additionally, some cigarette smokers may perceive and consume little filtered cigars as cigarettes. The purpose of this study was to determine how cigarette smokers classify tobacco products when presented with photographs of those products. Methods An online survey was conducted with a sample of 344 self-identified cigarette smokers Data from 913 Iranian male current smokers over the age of 18 was evaluated from a national cross-sectional survey of non-communicable disease (NCD) risk factors in 2016.Individuals were classified into: light, moderate, and heavy smokers. According to the GAM results, the relationship was nonlinear and smokers who started smoking at a younger age were more likely to become heavy smokers. The results showed that 246 (26.9%) subjects were light smokers, 190 (20.8%) subjects were moderate smokers and 477 (52.2%) subjects were heavy smokers. Astra Cigarette Smoker Smoking Classification List Garbage Cans Vertical Outdoor Stainless Steel Smoke Extinguisher Australia Astra Cigarette Smoker Smoking Classification Pdf Therefore the main purpose of this study is to evaluate the potential risk factors affecting the intensity of smoking, especially the age of smoking onset among Iranian adult male smokers over 18 years of age using a generalized additive model (GAM). but, smokers with high-income (OR = 0.742, 95% CI 0.552–0.998) had a low tendency to heavy smoking. In GAM a latent variable with logistic distribution and identity link function was considered.