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Table 2 Air pollutants (annual average concentrations) and their distributions

From: Relationship between chronic exposure to ambient air pollution and mental health in Korean adult cancer survivors and the general population

Air pollutants

IQR

Mean (Median)

Pearson’s correlation coefficients

PM10

NO2

SO2

CO

PM10 (ÎĽg/m3)

9

50.7 (49)

1

0.43***

0.35***

0.62***

NO2 (ppb)

11

25.1 (24)

–

1

0.20***

0.34***

SO2 (ppb)

1

5.4 (5)

–

–

1

0.23***

CO (ppb)

100

549.0 (600)

–

–

–

1

  1. IQR Interquartile range, PM10 Particulate matter < 10 μm in diameter, NO2 Nitrogen dioxide, SO2 Sulfur dioxide, CO Carbon monoxide
  2. *p < 0.05, **p < 0.01, ***p < 0.001
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BMC Cancer

ISSN: 1471-2407

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