Fig. 5
The Johnson-Neyman plots of the modifying effects of DASH and AMED scores on the relationship between long-term exposure to PM2.5 and risk of HTN, stage 1 HTN, and stage 2 HTN. 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. PM2.5 concentration or dietary scores were included in the model as continuous variables. P-int indicates the P values of the modifying effects of DASH/AMED score. Abbreviations: HTN, hypertension; PM2.5, fine particulate matter; IQR, interquartile range; DASH, dietary approaches to stop hypertension. AMED, alternative Mediterranean diet