Table 4.
Odds ratios and 95% confidence intervals for HTN, stage 1 HTN, and stage 2 HTN associated with an IQR increase in the 3-year average concentration of PM2.5 and its constituents
| Pollutants | HTN | Stage 1 HTN | Stage 2 HTN | |||||
|---|---|---|---|---|---|---|---|---|
| Crude model | Fully model | Crude model | Fully model | Crude model | Fully model | |||
| PM2.5 | 1.19 (1.16, 1.23) | 1.08 (1.03, 1.12) | 1.15 (1.12, 1.19) | 1.06 (1.01, 1.12) | 1.22 (1.18, 1.26) | 1.08 (1.03, 1.13) | ||
|
1.20 (1.16, 1.23) | 1.11 (1.07, 1.16) | 1.16 (1.12, 1.20) | 1.09 (1.04, 1.14) | 1.23 (1.18, 1.27) | 1.12 (1.07, 1.18) | ||
|
1.28 (1.24, 1.32) | 1.16 (1.11, 1.20) | 1.22 (1.18, 1.27) | 1.12 (1.07, 1.18) | 1.32 (1.27, 1.36) | 1.17 (1.12, 1.23) | ||
|
1.28 (1.24, 1.31) | 1.16 (1.12, 1.21) | 1.21 (1.18, 1.27) | 1.13 (1.08, 1.18) | 1.32 (1.28, 1.37) | 1.18 (1.13, 1.24) | ||
| BC | 1.13 (1.10, 1.16) | 1.05 (1.02, 1.09) | 1.10 (1.06, 1.13) | 1.04 (1.00, 1.08) | 1.16 (1.13, 1.20) | 1.06 (1.02, 1.11) | ||
| OM | 1.17 (1.14, 1.20) | 1.07 (1.03, 1.11) | 1.12 (1.09, 1.16) | 1.04 (1.00, 1.09) | 1.21 (1.17, 1.24) | 1.08 (1.04, 1.13) | ||
Abbreviations: HTN, hypertension; PM2.5, fine particulate matter; 
, sulfate; 
, nitrate; 
, ammonium; BC, black carbon; OM, organic matter; IQR, interquartile range.
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.