Table 2 Final mixed model covariates and model fits for summer morning PM 2.5 and PM 10
From: Understanding intra-neighborhood patterns in PM2.5 and PM10 using mobile monitoring in Braddock, PA
Mixed model | ||||
|---|---|---|---|---|
Summer Morning PM2.5 (μg/m3) | Covariates | β (SE) | p-value | Seq R2* |
Intercept | 102.63 (16.364) | <.0001 | -- | |
Temperature (°F) | −1.99 (0.297) | <.0001 | 0.15 | |
Wind speed (mph) | 21.83 (2.120) | <.0001 | 0.27 | |
Wind Direction (blowing from): | <.0001 | 0.58 | ||
W | 23.885 (3.435) | <.0001 | -- | |
S | 158.33 (12.284) | <.0001 | -- | |
SW | 109.09 (5.199) | <.0001 | -- | |
SE | 8.406 (3.154) | 0.0080 | -- | |
N | −48.763 (12.322) | <.0001 | -- | |
NE | −115.40 (11.904) | <.0001 | -- | |
E | 0 | -- | -- | |
Distance to mill (m) | −0.00145 (.00034) | <.0001 | 0.59 | |
Wind speed x Wind direction**: | -- | <.0001 | 0.74 | |
N | −39.674 (3.112) | <.0001 | -- | |
S | 6.264 (2.625) | 0.0176 | -- | |
Summer Morning PM10 (μg/m3) | Intercept | −37.949 (8.932) | 0.0066 | -- |
Wind speed (mph) | 23.896 (2.683) | <.0001 | 0.17 | |
Wind Direction (blowing from): | <.0001 | 0.46 | ||
W | 32.833 (5.476) | <.0001 | -- | |
S | 110.52 (10.786) | <.0001 | -- | |
SW | 80.831 (5.590) | <.0001 | -- | |
SE | 2.866 (4.377) | 0.5130 | -- | |
N | −29.902 (8.534) | <.0001 | -- | |
NE | −135.66 (16.140) | <.0001 | -- | |
E | 0 | -- | -- | |
Distance to mill (m) | −0.0022 (.0005) | <.0001 | 0.48 | |
Inversion presence | 13.634 (2.960) | <.0001 | 0.53 | |
Wind speed x Wind direction**: | -- | <.0001 | 0.64 | |
N | −30.397 (2.960) | <.0001 | -- | |