Table 3.
Association between concurrent PM2.5 and the incidence rate of lung cancer for females.
| Female Baseline Rate = 24.17 | ||||
|---|---|---|---|---|
| Model 1 | Model 2 | |||
| Variables | β | 95% CI | β | 95% CI |
| PM2.5 | 2.07% *** | (0.83%, 3.31%) | 2.48% *** | (1.24%, 4.14%) |
| Log | 0.19 *** | (0.11, 0.26) | 0.23 *** | (0.15, 0.31) |
| Lat | 0.54 *** | (0.45, 0.63) | 0.52 *** | (0.42, 0.61) |
| Year 2007 | 0.93 | (−3.84, 5.69) | 0.82 | (−3.83, 5.48) |
| Year 2008 | 0.66 | (−4.06, 5.37) | 0.39 | (−4.22, 5.01) |
| Year 2009 | 2.86 | (−1.28, 6.99) | 2.58 | (−1.47, 6.63) |
| Year 2010 | 3.85 ** | (0.04, 7.65) | 3.15 * | (−0.59, 6.88) |
| Year 2011 | 4.78 ** | (1.03, 8.53) | 4.05 ** | (0.34, 7.76) |
| Year 2012 | 6.5 *** | (2.77, 10.23) | 5.8 *** | (2.08, 9.51) |
| Year 2013 | 6.18 *** | (2.52, 9.84) | 5.47 *** | (1.87, 9.08) |
| Year 2014 | 7.04 *** | (3.42, 10.66) | 6.18 *** | (2.61, 9.75) |
| Finance | 0.02 | (−0.11, 0.16) | ||
| Education | −0.44 | (−1.02, 0.14) | ||
| Construction | −0.76 *** | (−1.01, −0.52) | ||
| Population | 0.01 | (−0.01, 0.02) | ||
| Urban-rural | 3.26 *** | (1.68, 4.85) | ||
* for p < 0.1, ** for p < 0.05, and *** for p < 0.01. With a 10 μg/m3 change in PM2.5, the change in the incidence rate relative to its baseline = (10 × coefficient for PM2.5)/baseline incidence rate (i.e., 24.17 per 100,000 people).