Table 9.
Modification effects of precipitation.
| Male | Female | |||
|---|---|---|---|---|
| Male Baseline Rate = 47.63 | Female Baseline Rate = 24.17 | |||
| Variables | β | 95% CI | β | 95% CI |
| PM2.5 | 4.83% *** | (3.15%, 6.51%) | 3.31% *** | (1.65%, 4.96%) |
| Log | 0.24 *** | (0.07, 0.4) | 0.22 *** | (0.14, 0.3) |
| Lat | 0.16 | (−0.09, 0.41) | 0.52 *** | (0.4, 0.64) |
| Year 2007 | 5 | (−4.6, 14.59) | 0.91 | (−3.73, 5.55) |
| Year 2008 | 6.62 | (−2.89, 16.12) | 0.57 | (−4.03, 5.17) |
| Year 2009 | 7.05 * | (−1.3, 15.4) | 2.82 | (−1.22, 6.86) |
| Year 2010 | 9.52 ** | (1.81, 17.24) | 3.47 ** | (−0.26, 7.2) |
| Year 2011 | 11.91 *** | (4.25, 19.57) | 4.34 ** | (0.63, 8.04) |
| Year 2012 | 14.87 *** | (7.2, 22.54) | 6.03 *** | (2.32, 9.74) |
| Year 2013 | 12.98 *** | (5.55, 20.42) | 5.6 *** | (2, 9.19) |
| Year 2014 | 13.17 *** | (5.81, 20.54) | 6.35 *** | (2.78, 9.91) |
| Finance | −0.17 | (−0.45, 0.12) | 0.01 | (−0.12, 0.15) |
| Education | −0.85 | (−2.33, 0.62) | −0.59 ** | (−1.18, 0.01) |
| Construction | −0.31 | (−0.84, 0.22) | −0.7 *** | (−0.96, −0.44) |
| Population | 0.04 ** | (0.01, 0.08) | 0.01 | (0, 0.03) |
| Urban-rural | 8.88 *** | (5.58, 12.18) | 3.49 *** | (1.91, 5.08) |
| PM2.5 × Precipitation2 | −1.05% | (−2.31%, 0.21%) | −1.24% ** | (−2.48%, 0.00%) |
| PM2.5 × Precipitation3 | 2.52% *** | (0.84%, 4.20%) | 0.01% | (−1.65%, 1.65%) |
* 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 incidence rate relative to its baseline = (10 × coefficient for PM2.5 or its interaction terms)/baseline incidence rate (i.e., 47.63 and 24.17 per 100,000 people for males and females, respectively).