Table 2.
Association between the PM2.5 and hospitalization with dementia.
| N (%) | Hazard Ratioa (95% CI) | |
|---|---|---|
| All Dementia | 1,409,599 (100) | 1.049 (1.048, 1.051) |
| Alzheimer’s | 571,652 (40.6) | 1.060 (1.057, 1.062) |
| Vascular | 157,926 (11.2) | 1.086 (1.082, 1.090) |
| Others | 680,021 (48.2) | 1.045 (1.043, 1.046) |
Abbreviations: CI, confidence interval
a
per 1 μg/m3 increase in annual PM2.5 concentration
Adjusted for age, sex, race, Medicaid eligibility, educational attainment at the Zip Code level, and U.S. state of address