Fig. 2
Joint effects of lifestyle and air pollutant exposure on the incidence of CVD. Unfavorable lifestyle as reference. Model adjusted for age, sex, education, residence, alcohol consumption, and income. CI, confidence interval; CVD, cardiovascular disease; HR, hazard ratio; NO2, nitrogen dioxide; O3, ozone; PM1, particulate matter with an aerodynamic diameter less than 1 μm; PM2.5, particulate matter with an aerodynamic diameter less than 2.5 μm; PM10, particulate matter with an aerodynamic diameter < 10 μm