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Thorax 64:657-663 doi:10.1136/thx.2008.109389
  • Environmental exposure

Chronic exposure to outdoor air pollution and lung function in adults

Table 4 Correlations between modelled outdoor air pollutant concentrations by postcode sector
Survey year
1995 1996 1997 2001
Number of postcode sectors 715 737 641 751
Correlation* between
    PM10 and NO2 0.93 0.92 0.90 0.90
    PM10 and O3 −0.20 −0.35 −0.28 −0.47
    PM10 and SO2 0.34 0.17 0.13 0.17
    NO2 and O3 −0.20 −0.40 −0.39 −0.40
    SO2 and O3 −0.29 −0.36 −0.30 −0.16
    NO2 and SO2 0.31 0.31 0.29 0.18

  • *Pearson correlation coefficient.

  • PM10, particulate matter <10 μm in diameter.

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