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Table 6 Hysteresis effect of air quality on respiratory tract infection virus 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
Age 1 PM2.5 1.005 1.002–1.008 1.009 1.005–1.014 1.012 1.008–1.018 1.013 1.008–1.018 1.011 1.006–1.016
PM10 1.003 1.001–1.006 1.006 1.002–1.010 1.009 1.005–1.014 1.010 1.006–1.015 1.009 1.005–1.014
NO2 1.020 1.015–1.026 1.033 1.025–1.040 1.039 1.031–1.047 1.045 1.036–1.053 1.044 1.035–1.053
SO2 1.039 1.028–1.049 1.059 1.045–1.072 1.068 1.054–1.083 1.070 1.055–1.085 1.066 1.051–1.081
CO 2.598 1.857–3.634 11.307 6.535–19.563 28.952 15.453–44.244 40.146 20.978–59.315 35.576 16.467–54.686
O3 0.979 0.974–0.983 0.968 0.963–0.973 0.967 0.962–0.973 0.967 0.962–0.972 0.968 0.963–0.973
Age 2 PM2.5 1.004 0.999–1.009 1.010 1.004–1.018 1.010 1.003–1.018 1.011 1.003–1.019 1.011 1.003–1.019
PM10 1.002 0.998–1.006 1.007 1.001–1.012 1.007 1.000–1.014 1.009 1.002–1.017 1.009 1.000–1.015
NO2 1.012 1.004–1.020 1.030 1.020–1.044 1.031 1.019–1.045 1.032 1.017–1.043 1.029 1.015–1.042
SO2 1.022 1.005–1.039 1.049 1.027–1.070 1.051 1.029–1.075 1.052 1.027–1.077 1.052 1.027–1.076
CO 2.060 1.008–3.111 5.385 1.698–9.020 6.076 2.411–9.712 12.140 2.936–21.273 11.715 3.254–20.177
O3 0.985 0.979–0.991 0.978 0.971–0.986 0.976 0.968–0.984 0.978 0.971–0.986 0.979 0.971–0.987
Age3 PM2.5 1.006 1.002–1.011 1.012 1.005–1.019 1.012 1.005–1.021 1.013 1.005–1.021 1.012 1.004–1.020
PM10 1.005 1.001–1.009 1.010 1.004–1.016 1.011 1.004–1.019 1.012 1.004–1.020 1.011 1.004–1.020
NO2 1.016 1.008–1.024 1.025 1.013–1.037 1.027 1.015–1.041 1.031 1.015–1.047 1.029 1.015–1.045
SO2 1.042 1.026–1.058 1.056 1.034–1.078 1.056 1.034–1.080 1.059 1.035–1.083 1.058 1.035–1.082
CO 2.717 1.356–4.078 9.770 2.949–16.590 13.575 3.479–23.671 19.182 4.414–33.950 17.478 4.038–30.917
O3 0.989 0.983–0.995 0.983 0.976–0.991 0.981 0.973–0.989 0.980 0.972–0.988 0.979 0.971–0.987
Age 4 PM2.5 1.004 0.996–1.011 1.000 0.991–1.011 1.001 0.991–1.012 1.001 0.988–1.011 0.999 0.988–1.011
PM10 1.002 0.996–1.008 0.999 0.990–1.009 0.999 0.989–1.009 0.999 0.986–1.008 0.995 0.984–1.007
NO2 1.016 1.004–1.028 1.024 1.008–1.041 1.025 1.007–1.043 1.024 0.999–1.038 1.015 0.995–1.036
SO2 1.018 0.994–1.043 1.023 0.990–1.056 1.018 0.984–1.053 1.018 0.977–1.052 1.007 0.968–1.047
CO 1.823 0.810–4.101 1.257 0.361–4.381 1.478 0.380–5.752 1.478 0.421–8.195 2.032 0.454–9.092
O3 0.989 0.980–0.998 0.992 0.982–1.003 0.993 0.982–1.004 0.993 0.980–1.003 0.989 0.978–1.001
Age 5 PM2.5 1.008 0.997–1.019 1.012 0.994–1.032 1.016 0.996–1.039 1.021 0.999–1.043 1.021 0.999–1.042
PM10 1.002 0.992–1.013 1.010 0.994–1.026 1.011 0.992–1.031 1.016 0.995–1.036 1.018 0.998–1.039
NO2 1.000 0.975–1.025 1.028 0.999–1.058 1.031 0.998–1.066 1.033 0.998–1.070 1.035 0.999–1.073
SO2 1.039 0.997–1.083 1.052 0.999–1.108 1.062 1.005–1.123 1.072 1.014–1.133 1.085 1.024–1.146
CO 2.863 0.751–10.915 9.244 0.951–89.866 10.963 0.812–147.987 10.893 0.701–169.223 12.177 0.764–194.023
O3 0.986 0.969–1.003 0.981 0.961–1.001 0.981 0.961–1.002 0.976 0.955–0.998 0.985 0.954–0.997