| Mean (± SD) | Median | 25th percentile | 75th percentile |
---|---|---|---|---|
Surface area of green space within 6 buffers around the residence, % | ||||
 50 m | 49.1 ± 0.2 | 52 | 38 | 61 |
 100 m | 50.6 ± 0.2 | 53 | 40 | 61 |
 300 m | 51.2 ± 0.1 | 54 | 44 | 60 |
 500 m | 51.2 ± 0.1 | 53 | 44 | 61 |
 1000 m | 50.1 ± 0.1 | 53 | 49 | 57 |
 2000 m | 51.0 ± 0.2 | 56 | 48 | 59 |
Air pollution and traffic-related exposure | ||||
 PM2.5, µg/m3 | 14.9 ± 1.0 | 14.9 | 14.2 | 15.7 |
 NO2, µg/m3 | 20.9 ± 2.0 | 21.2 | 19.6 | 22.2 |
 Distance to major road, m | 552 ± 560 | 330 | 127 | 775 |