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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