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Table 7 Hysteresis effect of air quality on bacteria in respiratory tract infection in children in age group

From: The relationship between air quality and respiratory pathogens among children in Suzhou City

Age Pollutants Lag 0 Lag 1 Lag 2 Lag 3 Lag 4
OR 95%CI OR 95%CI OR 95%CI OR 95%CI OR 95%CI
Age1 PM2.5 1.004 1.002–1.007 1.010 1.006–1.014 1.012 1.007–1.016 1.013 1.009–1.018 1.014 1.010–1.019
PM10 1.004 1.002–1.006 1.010 1.006–1.013 1.011 1.007–1.016 1.015 1.010–1.019 1.016 1.011–1.020
NO2 1.004 1.004–1.014 1.008 1.002–1.015 1.007 1.000–1.014 1.008 1.002–1.017 1.009 1.001–1.017
SO2 1.028 1.018–1.038 1.050 1.037–1.063 1.049 1.035–1.063 1.050 1.035–1.065 1.051 1.036–1.065
CO 1.110 0.815–1.510 1.130 0.697–1.833 0.988 0.575–1.698 1.278 0.633–2.009 0.937 0.514–1.708
O3 0.995 0.992–0.999 0.994 0.990–0.998 0.995 0.991–1.000 0.995 0.991–1.000 0.996 0.991–1.000
Age2 PM2.5 0.999 0.995–1.003 1.007 1.001–1.013 1.008 1.002–1.015 1.008 1.002–1.015 1.009 1.002–1.015
PM10 0.999 0.996–1.002 1.006 1.001–1.011 1.009 1.003–1.015 1.009 1.003–1.016 1.010 1.004–1.016
NO2 1.002 0.995–1.009 1.008 0.998–1.017 1.005 0.995–1.016 1.005 0.994–1.016 1.005 0.993–1.016
SO2 1.007 0.992–1.021 1.029 1.010–1.049 1.028 1.008–1.050 1.028 1.006–1.050 1.030 1.007–1.052
CO 0.854 0.530–1.375 1.547 0.760–3.149 1.469 0.662–3.257 1.263 0.540–2.955 1.071 0.448–2.559
O3 0.995 0.990–0.999 0.996 0.990–1.001 0.997 0.991–1.003 0.997 0.991–1.004 0.997 0.991–1.004
Age3 PM2.5 1.001 0.998–1.004 1.005 1.000–1.010 1.006 1.001–1.012 1.007 1.002–1.013 1.008 1.002–1.014
PM10 1.001 0.998–1.004 1.004 0.999–1.008 1.006 1.001–1.011 1.008 1.003–1.014 1.009 1.003–1.015
NO2 1.003 0.998–1.009 1.003 0.995–1.011 1.000 0.992–1.010 1.001 0.992–1.011 1.000 0.991–1.010
SO2 1.009 0.997–1.022 1.017 1.001–1.033 1.020 1.003–1.038 1.022 1.004–1.041 1.024 1.006–1.042
CO 1.025 0.685–1.532 0.789 0.427–1.456 0.564 0.281–1.130 0.597 0.285–1.250 0.586 0.276–1.241
O3 0.995 0.992–0.999 1.000 0.995–1.005 1.003 0.998–1.008 1.004 0.998–1.009 1.004 0.998–1.009
Age4 PM2.5 1.001 0.999–1.007 1.001 0.998–1.010 1.006 1.000–1.012 1.006 1.000–1.013 1.006 1.000–1.013
PM10 1.003 0.998–1.005 1.003 1.000–1.010 1.006 1.001–1.012 1.006 1.002–1.014 1.007 1.001–1.014
NO2 1.007 0.995–1.010 1.007 0.998–1.017 1.006 0.995–1.017 1.006 0.991–1.013 0.999 0.988–1.011
SO2 0.978 0.992–1.022 1.033 1.012–1.053 1.032 1.011–1.053 1.028 1.006–1.050 1.021 0.998–1.044
CO 0.995 0.607–1.577 0.995 0.323–1.329 0.717 0.328–1.567 0.717 0.228–1.285 0.538 0.222–1.301
O3 1.000 0.990–1.000 1.000 0.990–1.002 0.998 0.991–1.004 0.998 0.993–1.005 0.999 0.992–1.005
Age5 PM2.5 1.000 0.994–1.006 1.004 0.996–1.013 1.008 0.999–1.018 1.009 0.999–1.019 1.009 0.999–1.019
PM10 0.999 0.994–1.004 1.004 0.996–1.012 1.009 1.000–1.018 1.010 1.000–1.019 1.009 1.000–1.019
NO2 0.995 0.984–1.006 0.991 0.977–1.005 0.992 0.976–1.008 0.990 0.974–1.006 0.987 0.971–1.005
SO2 1.001 0.979–1.023 1.010 0.983–1.038 1.017 0.987–1.047 1.016 0.986–1.047 1.015 0.985–1.047
CO 0.633 0.307–1.306 0.422 0.132–1.350 0.483 0.128–1.829 0.447 0.112–1.789 0.345 0.080–1.480
O3 0.994 0.987–1.001 1.002 0.993–1.010 1.005 0.996–1.014 1.006 0.996–1.016 1.006 0.996–1.017