Fig. 2
Adjusted hazard ratios and 95% confidence intervals of total incident cardiovascular diseases for a 10 μg/m3 increase in long-term PM2.5 concentrations for the previous 5 years stratified by sex, age, income, insurance type, smoking status, alcohol use, physical activity, obese, co-morbidity of hypertension, diabetes, and hyperlipidemia, region, or area type