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Relative risk of lung cancer mortality associated with a 100 μg/m3 increase in 10‐year PM2.5 above the thresholds in different groups
| Groups | Thresholds (μg/m3) | Annual mean PM2.5 (μg/m3) | Relative risk (95% CI) |
|---|---|---|---|
| All | 630 | 63 | 1.09 (1.08–1.10) |
| Men | 690 | 69 | 1.06 (1.03–1.10) |
| Women | 680 | 68 | 1.20 (1.10–1.26) |
| Aged 30–64 | 660 | 66 | 1.07 (1.05–1.11) |
| Aged ≥ 65 | 620 | 62 | 1.10 (1.07–1.13) |
CI, confidence interval.
