Table 1.
Air pollution and noise exposure distributions and correlations in the at-risk cohort during the cohort definition period (1994–1998).
| Exposure | Mean ± SD | Median (IQR) | Range | LUR | IDW | Noise | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NO | NO2 | Black carbon | PM2.5 | PM10 | O3 | CO | SO2 | |||||
| NO-LUR (μg/m3) | 30.8 ± 11.6 | 27.8 (23.8–34.5) | 11.4–126 | 1 | 0.82 | 0.55 | 0.41 | 0.06 | –0.31 | 0.38 | 0.36 | 0.40 |
| NO2-LUR (μg/m3) | 29.1 ± 5.2 | 28.4 (25.6–31.9) | 15.1–57.5 | 1 | 0.63 | 0.61 | 0.03 | –0.46 | 0.49 | 0.52 | 0.33 | |
| Black carbon-LUR (μg/m3) | 1.3 ± 0.6 | 1.1 (0.9–1.5) | 0–4.3 | 1 | 0.51 | –0.06 | –0.40 | 0.41 | 0.49 | 0.23 | ||
| PM2.5-LUR (μg/m3) | 4.7 ± 2.4 | 4.3 (3.2–5.9) | 0–10.2 | 1 | –0.01 | –0.28 | 0.35 | 0.35 | 0.12 | |||
| PM10-IDW (μg/m3) | 13.9 ± 0.6 | 13.8 (13.5–14.3) | 10.9–16.0 | 1 | –0.22 | 0.28 | –0.10 | 0.05 | ||||
| O3-IDW (μg/m3) | 27.1 ± 5.0 | 26.5 (23.7–31.2) | 13.7–38.3 | 1 | –0.92 | –0.84 | –0.14 | |||||
| CO-IDW (μg/m3) | 741 ± 154 | 719 (640–841) | 397–1,169 | 1 | 0.74 | 0.11 | ||||||
| SO2-IDW (μg/m3) | 6.5 ± 2.8 | 5.6 (4.5–8.4) | 0.4–15.9 | 1 | 0.11 | |||||||
| Noise [dB(A)] | 63.5 ± 5.1 | 62.6 (59.9–66.8) | < 25–98.5 | 1 | ||||||||
| Data are correlation coefficients unless otherwise indicated. | ||||||||||||