Exposure variable | Positivity: ≥60 units/ml (N positive = 134) | Positivity: ≥40 units/ml (N positive = 292) | Positivity: ≥20 units/ml (N positive = 786) |
---|---|---|---|
Industrial SO2 | 1.03 (0.98–1.08) | 1.03 (1.00–1.07)* | 1.03 (1.00–1.06)* |
Industrial NO2 | 0.90 (0.63–1.28) | 1.14 (0.91–1.41)* | 1.01 (0.86–1.17)* |
Industrial PM2.5 | 1.17 (0.92–1.48) | 1.21 (1.02–1.42) | 1.19 (1.04–1.36) |
Overall PM2.5 | 0.94 (0.89–1.01) | 0.95 (0.91–1.01) | 0.98 (0.95–1.01) |