Table 2. Percent change in mortality (and 95% CIs) associated with an IQR increase.a.
| Pollutant | IQR | Total% (95% CI) | Cardiovascular% (95% CI) | Respiratory% (95% CI) |
|---|---|---|---|---|
| NOX | 41.6 | −0.43 (−1.24, 0.40) | −1.29 (−2.72, 0.17) | −0.04 (−1.96, 1.91) |
| CO | 0.2 | −0.79 (−1.63, 0.04) | −1.47 (−2.94, 0.01) | 0.41 (−1.62, 2.48) |
| EC (PM10) | 0.8 | 0.45 (−0.58, 1.49) | −0.47 (−2.30, 1.40) | 2.66 (0.11, 5.28) |
| BC (PM2.5) | 1.0 | 0.47 (−0.63, 1.58) | −0.83 (−2.75, 1.13) | 2.72 (0.09, 5.42) |
| Cu (PM10) | 0.008 | −0.05 (−1.14, 1.05) | −0.94 (−2.85, 1.00) | 1.53 (−1.14, 4.27) |
| Zn (PM10) | 0.009 | −0.12 (−1.06, 0.83) | −1.58 (−3.25, 0.12) | −0.34 (−2.83, 1.84) |
| Al (PM10) | 0.062 | 0.58 (−0.62, 1.80) | 0.38 (−1.70, 2.50) | 1.77 (−1.18, 4.81) |
Abbreviations: Al, Aluminium; BC, black carbon; CI, confidence interval; CO, carbon monoxide; Cu, Copper; EC, elemental carbon; IQR, interquartile range; NOX, oxides of nitrogen; PM, particulate matter; PM2.5, mass of particles with diameter <2.5 microns; PM10, mass of particles with diameter <10 microns; Zn, Zinc.
Results for EC/BC and elemental components are adjusted for PM mass.
a
In traffic-related pollutants (lag 1 for total and cardiovascular and lag 2 for respiratory mortality) in London, United Kingdom, for 1 January 2011–22 December 2012.