Table 2.
Mean and standard deviation of exposures.
| Exposure | All | Munich | Wesel | |||
|---|---|---|---|---|---|---|
| Mean ± SD | n | Mean ± SD | n | Mean ± SD | n | |
| NDVI 500 m buffer (NDVI units) | 0.38 ± 0.09 | 837 | 0.35 ± 0.09 | 464 | 0.43 ± 0.08 | 373 |
| NDVI 1,000 m buffer (NDVI units) | 0.40 ± 0.09 | 837 | 0.37 ± 0.08 | 464 | 0.45 ± 0.07 | 373 |
| NO2 (μg/m3) | 21.3 ± 4.4 | 835 | 19.4 ± 4.7 | 463 | 23.6 ± 2.7 | 372 |
| PM10 (μg/m3) | 22.4 ± 3.4 | 837 | 19.9 ± 2.2 | 464 | 25.5 ± 1.3 | 373 |
| PM2.5 (μg/m3) | 15.1 ± 2.2 | 837 | 13.3 ± 0.8 | 464 | 17.4 ± 0.7 | 373 |
| PM2.5 absorbance (10–5/m) | 1.4 ± 0.2 | 836 | 1.6 ± 0.1 | 464 | 1.2 ± 0.2 | 372 |