Table 2.
Air pollution concentrations for the years of follow-up presented as means and standard deviations together with quartile limits and inter-quartile ranges (IQRs).
| Mean (sd) | Median (1st Quartile–3rd Quartile) | IQR | |
|---|---|---|---|
| PM2.5 | 4.90 (1.92) | 4.55 (3.81–5.14) | 1.33 |
| NO2 | 7.09 (3.49) | 6.63 (4.82–8.79) | 3.97 |
| BC/pOC | 0.66 (0.25) | 0.62 (0.54–0.71) | 0.17 |
| O3 | 50.76 (3.27) | 50.93 (48.96–52.92) | 3.96 |
| SIA | 1.67 (0.43) | 1.73 (1.33–1.87) | 0.54 |
| SOA | 0.23 (0.05) | 0.23 (0.20–0.26) | 0.06 |
| SS | 1.02 (0.12) | 1.00 (0.95–1.12) | 0.17 |
| dust | 1.32 (1.54) | 0.98 (0.73–1.29) | 0.56 |
SS = sea salt, SOA = Secondary Organic Aerosols, SIA = Secondary Inorganic Aerosols, O3 = ozone, BC/pOC = primary emitted Carbonaceous Particles, NO2 = nitrogen dioxide, and PM2.5 = particulate matter with aerodynamic diameter ≤ 2.5 µm.