Quintile | PM2.5 | PM2.5 + CO | PM2.5 + NO2 | PM2.5 + NO | PM2.5 + NOX | PM2.5 + O3 | PM2.5 + SO2 |
---|---|---|---|---|---|---|---|
HRa (95 % CI) | HRa (95 % CI) | HRa (95 % CI) | HRa (95 % CI) | HRa (95 % CI) | HRa (95 % CI) | HRa (95 % CI) | |
1 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
2 | 1.25 (0.77–2.04) | 1.20 (0.74–1.96) | 1.05 (0.59–1.89) | 1.37 (0.83–2.24) | 1.17 (0.72–1.91) | 0.99 (0.48–2.04) | 1.32 (0.76–2.29) |
3 | 1.07 (0.70–1.64) | 0.88 (0.56–1.38) | 0.82 (0.43–1.59) | 1.02 (0.66–1.56) | 0.86 (0.54–1.38) | 0.80 (0.36–1.76) | 1.13 (0.70–1.89) |
4 | 0.93 (0.63–1.36) | 0.68 (0.43–1.07) | 0.65 (0.29–1.44) | 0.79 (0.53–1.17) | 0.65 (0.39–1.08) | 0.66 (0.26–1.60) | 0.99 (0.61–1.61) |
5 | 0.94 (0.59–1.49) | 0.60 (0.33–1.09) | 0.63 (0.25–1.57) | 0.71 (0.42–1.20) | 0.60 (0.31–1.14) | 0.66 (0.26–1.67) | 1.04 (0.52–2.07) |