Table 2.
Correlations coefficients of air pollution exposures
| cor | NO2 | NOx | PM2.5 | PM10 | PM2.5abs |
|---|---|---|---|---|---|
| NO2 | 1 | 0.49 | 0.46 | 0.79 | 0.80 |
| NOx | 1 | 0.60 | 0.70 | 0.70 | |
| PM2.5 | 1 | 0.69 | 0.66 | ||
| PM10 | 1 | 0.98 | |||
| PM2.5abs | 1 |
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