Table 3 Correlations of air pollutants for the year 2015 in residences of the elderly (n = 1241).

From: The effects of fine and coarse particulate matter on lung function among the elderly

 

PM2.5

PM2.5–10

NO2

CO

O3

SO2

PM2.5

1

0.820**

0.001

−0.224**

0.109*

0.807**

PM2.5–10

 

1

−0.272**

−0.473**

0.364**

0.629**

NO2

  

1

0.967**

−0.879**

0.363**

CO

   

1

−0.862**

0.117**

O3

    

1

−0.249**

SO2

     

1

  1. Abbreviations: PM2.5, particulate matter with aerodynamic diameter of 2.5 μm; PM2.5–10, particulate matter with aerodynamic diameter of 2.5–10 μm; NO2, nitrogen dioxide; CO, carbon monoxide; O3, ozone; SO2, sulphur dioxide.
  2. *p < 0.001; **p < 0.0001.
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