Table 2.
Descriptive statistics of pollutants with a higher contribution to the mixture effect.
| Season | Pollutant | Mean weight | % Days nonzero values | Air pollutant concentration | |
|---|---|---|---|---|---|
| Median (IQR) | Mean (SD) | ||||
| Spring | Grass pollena | 0.073 | 24.53 | 0 (0) | 10.34 (37) |
| Helminthosporiuma | 0.056 | 11.17 | 0 (0) | 4.65 (20.1) | |
| Sycamorea | 0.052 | 25.89 | 0 (0-1) | 4.91 (23.4) | |
| Fall | Erysiphea | 0.045–0.138c | 13.61 | 0 (0) | 12.46 (42.6) |
| Cedara | 0.044–0.064c | 30.83 | 0 (0-1) | 5.60 (25.2) | |
| PM2.5b | 0.056–0.057c | 100 | 13 (10-17) | 13.60 (5.49) | |
| Summer | Peronosporaa | 0.046–0.157c | 16.30 | 0 (0) | 15.40 (49.3) |
| Ragweeda | 0.107–0.145c | 28.53 | 0 (0-2) | 39.38 (133) | |
ameasured asparticles per 3.12 m3 of air.
bMeasured as micrometer per cubic meter.
cRange of mean percent weights contributed across the lag period (1–3 days for fall season and 0–5 for summer season).
IQR indicates interquartile range; SD, standard deviation.