Table 7 Relative humidity over a single year as a further proxy of climatic condition
From: Climatic modification effects on the association between PM1 and lung cancer incidence in China
| Â | Binary division | Three-category division | ||
|---|---|---|---|---|
|  | Mean male incidence rate = 50.16 | Mean male incidence rate = 50.16 | ||
|  | β | 95% CI | β | 95% CI |
PM1 | 4.78% ** | (0.00%, 9.57%) | 4.59% ** | (−0.20%, 9.37%) |
Longitude | 0.33 ** | (0.07, 0.60) | 0.32 ** | (0.05, 0.60) |
Latitude | 1.59 *** | (0.81, 2.37) | 1.51 *** | (0.68, 2.34) |
Year 2015 | 1.02 | (−2.80, 4.84) | 1.05 | (−2.80, 4.89) |
Air temperature | 1.82 *** | (0.98, 2.65) | 1.88 *** | (1.01, 2.75) |
Finance | 0.04 | (−0.03, 0.10) | 0.04 | (−0.02, 0.11) |
Education | −2.32 ** | (−4.49, −0.14) | −2.16 ** | (−4.36, 0.04) |
Employment | −0.28 ** | (−0.51, − 0.04) | − 0.30 ** | (− 0.54, − 0.06) |
Construction | 0.01 | (−0.05, 0.08) | 0.01 | (−0.06, 0.08) |
Manufacturing | −0.04 *** | (−0.07, − 0.02) | − 0.03 *** | (− 0.06, − 0.01) |
Population | 0.01 | (−0.04, 0.05) | −0.01 | (−0.06, 0.04) |
Urban-rural division | 3.70 ** | (−0.45, 7.85) | 2.70 | (−1.47, 6.86) |
PM1 × Humidity2 | 3.59% *** | (1.79%, 5.38%) | 2.39% *** | (0.60%, 4.19%) |
PM1 × Humidity3 |  |  | 2.99% ** | (0.40%, 5.78%) |