Table 3.
Correlations (Pearson’s r) and summary statistics for spatial decompositions of PM2.5 (2000–2015) in the NHIS cohort
| Local (< 1 km) |
Neighborhood (1–10 km) |
Mid-range (10–100 km) |
Regional (> 100 km) | Mean | SD | IQR | |
|---|---|---|---|---|---|---|---|
| Local PM2.5 | 0.63 | 0.28 | 0.32 | ||||
| Neighborhood PM2.5 | 0.25 | 1.81 | 0.87 | 1.01 | |||
| Mid-range PM2.5 | 0.17 | 0.29 | 2.59 | 1.45 | 1.53 | ||
| Regional PM2.5 | 0.01 | −0.33 | −0.21 | 5.47 | 1.90 | 2.65 |
Note: Local PM2.5, PM2.5 generated within 1 km of residence; neighborhood PM2.5, PM2.5 generated 1–10 km from residence; mid-range PM2.5, PM2.5 generated 10–100 km from residence; regional PM2.5, PM2.5 generated over 100 km from residence; SD, standard deviation; IQR, interquartile range