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Table 3 Correlations (Pearson’s r) and summary statistics for spatial decompositions of PM2.5 (2000–2015) in the NHIS cohort

From: Air pollution and mortality in a large, representative U.S. cohort: multiple-pollutant analyses, and spatial and temporal decompositions

 Local
(< 1 km)
Neighborhood
(1–10 km)
Mid-range
(10–100 km)
Regional (> 100 km)MeanSDIQR
Local PM2.5    0.630.280.32
Neighborhood PM2.50.25   1.810.871.01
Mid-range PM2.50.170.29  2.591.451.53
Regional PM2.50.01−0.33−0.21 5.471.902.65
  1. 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