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
| Â | Mean/Percentage | P0 | P25 | P50 | P75 | P100 |
|---|---|---|---|---|---|---|
Whole study group (N = 4750) | ||||||
NO2 [ÎĽg/m3] | 39 | 22 | 25 | 46 | 49 | 55 |
PM10 [ÎĽg/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 [ÎĽg/m3] | 36 | 22 | 24 | 27 | 50 | 53 |
PM10 [ÎĽg/m3] | 47 | 39 | 43 | 47 | 52 | 54 |
<50 m distance to major road (>10,000 cars/day) | 7.6 % | -- | -- | -- | -- | -- |