Fig. 3
Odds ratios and 95% confidence intervals of HTN, stage 1 HTN, and stage 2 HTN associated with PM2.5 and its constituents by quintiles of DASH score. Note: Fully models were adjusted for age, sex, education, marital status, annual household income, smoking status, passive smoking, alcohol status, physical activity, outdoor time, BMI, household solid fuel use, HTN family history, residence, and region. P-int indicates the P values of the modifying effects of DASH score. Abbreviations: HTN, hypertension; PM2.5, fine particulate matter; IQR, interquartile range; DASH, dietary approaches to stop hypertension