Table 4 Associations between air pollutants and overall respiratory disease mortality.

From: The short-term effects of air pollutants on respiratory disease mortality in Wuhan, China: comparison of time-series and case-crossover analyses

 Single Pollutant ModelMultiple Pollutants Model
Time seriesCase-crossoverTime seriesCase-crossover
RR(95%CI)OR(95%CI)RR(95%CI)OR(95%CI)
PM10
 Lag01.000 (0.991,1.010)1.007 (0.998,1.016)0.995 (0.983,1.007)1.002 (0.993,1.011)
 Lag11.002 (0.993,1.011)1.009 (1.000, 1.018)0.995 (0.983,1.008)1.002 (0.993,1.011)
 Lag21.005 (0.996,1.013)1.010 (1.002, 1.018)0.999 (0.987,1.010)1.004 (0.994,1.012)
 Ave.3 days1.005 (0.994,1.016)1.015 (1.004, 1.026)1.001 (0.986,1.016)1.011 (1.000,1.022)
SO2
 Lag01.015 (0.998,1.032)1.019a (1.001, 1.037)1.020 (0.997,1.044)1.024 (1.006,1.042)
 Lag11.019a (1.002,1.036)1.024a (1.007, 1.041)1.024a (1.002,1.048)1.029a (1.012,1.046)
 Lag21.015 (0.998,1.031)1.018 (1.002, 1.034)1.010 (0.987,1.033)1.013 (0.997,1.029)
 Ave.3 days1.018 (0.997,1.039)1.033 (1.010, 1.056)1.024 (0.993,1.057)1.039 (1.016,1.062)
 NO2
 Lag01.010 (0.985,1.037)1.013 (0.989, 1.037)1.000 (0.963,1.039)1.003 (0.979,1.027)
 Lag11.015 (0.990,1.041)1.023 (0.999, 1.047)0.998 (0.961,1.037)1.006 (0.982,1.030)
 Lag21.021 (0.997,1.047)1.029 (1.005, 1.053)1.013 (0.976,1.052)1.021 (0.997,1.045)
 Ave.3 days1.013 (0.982,1.045)1.035 (1.004, 1.066)0.985 (0.937,1.035)1.007 (0.976,1.038)
  1. a: The RRs or ORs are statistically significant (P-value < 0.05).