Table 2.
Distribution of women depending on their ambient air pollution exposure (5 year mean values prior to baseline investigation) and traffic exposure indicated as percentiles
| Mean/Percentage | P0 | P25 | P50 | P75 | P100 | |
| Whole study group (N = 4750) | ||||||
| NO2 [μg/m3] | 39 | 22 | 25 | 46 | 49 | 55 |
| PM10 [μg/m3] | 48 | 39 | 43 | 47 | 53 | 56 |
| <50 m distance to major road (>10,000 cars/day) | 8.5 % | -- | -- | -- | -- | -- |
| Study group with spirometry (N = 2580) | ||||||
| NO2 [μg/m3] | 36 | 22 | 24 | 27 | 50 | 53 |
| PM10 [μg/m3] | 47 | 39 | 43 | 47 | 52 | 54 |
| <50 m distance to major road (>10,000 cars/day) | 7.6 % | -- | -- | -- | -- | -- |
Abbreviations:
Px: xth percentile; NO2: Nitrogen dioxide; PM10: Particulate matter with aerodynamic diameter of ≤ 10 μm, calculated as PM10 = 0.71*TSP; TSP: Total suspended particles