Table 3.
HRs (95% CIs) for associations of interquartile-range (4 µg/m3) changes in average predicted copollutant (PM2.5 and PM10–2.5 ) exposures, adjusting for covariates.
| All-cause mortality (2,813 cases, 220,552 person-years) | Fatal CHD (746 cases, 220,562 person-years) | Nonfatal MI (646 cases, 214,919 person-years) | Total CVD (1,661 cases, 212,649 person-years) | Ischemic strokes (230 cases, 218,944 person-years) | Hemorrhagic strokes (70 cases, 220,292 person-years) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic modela | ||||||||||||
| PM2.5 | 0.96 (0.89–1.04) | 0.97 (0.83–1.13) | 1.06 (0.90–1.25) | 0.99 (0.90–1.10) | 0.74 (0.56–0.96) | 1.33 (0.86–2.06) | ||||||
| PM10–2.5 | 1.00 (0.94–1.06) | 1.06 (0.94–1.20) | 1.00 (0.88–1.14) | 1.04 (0.96–1.13) | 1.24 (0.99–1.54) | 0.77 (0.52–1.15) | ||||||
| Full modelb | ||||||||||||
| PM2.5 | 0.94 (0.87–1.02) | 0.97 (0.83–1.13) | 1.06 (0.90–1.25) | 0.99 (0.90–1.10) | 0.76 (0.58–0.99) | 1.35 (0.87–2.09) | ||||||
| PM10–2.5 | 0.98 (0.92–1.05) | 1.04 (0.92–1.17) | 1.00 (0.87–1.14) | 1.03 (0.95–1.12) | 1.22 (0.98–1.52) | 0.78 (0.53–1.16) | ||||||
| aStratified by age in months, adjusting for year, season, and state of residence. bStratified by age in months, adjusting for year, season, state of residence, BMI, hypertension, hypercholesterolemia, diabetes, family history of MI, smoking (status and pack-years), physical activity, healthy diet, and alcohol consumption. | ||||||||||||