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PM2.5 exposure for study population of urban-dwelling older adults in US.
| Predicted PM2.5 Measure (μg/m3, n = 2,221) | Weighted mean ± SD | 25th percentile – 75th percentile (IQR) |
|---|---|---|
| 1 month | 15.9 ± 6.2 | 11.3 – 19.8 (8.5) |
| 3 month | 15.8 ± 5.4 | 12.0 –19.7 (7.7) |
| 6 month | 14.8 ± 4.7 | 11.3 – 18.7 (7.4) |
| 9 month | 14.4 ± 4.5 | 10.8 – 18.2 (7.4) |
| 1 year | 13.9 ± 4.3 | 10.6 – 17.4 (6.8) |
