Table 7

Pooled estimates for the increase in the total daily number of deaths associated with black smoke (BS) increase of 10 μg/m³ (average of lags 0 and 1) adjusting alternatively for other pollutants in two pollutant models

	BS	95% CI	+SO₂	95% CI	+O₃	95% CI	+NO₂	95% CI	+CO	95% CI	+PM₁₀	95% CI
*Random effect model. †Fixed effect model.
Cardiac	1.1*	0.4 to 1.8	0.6†	0.2 to 1.1	1.1*	0.4 to 1.7	0.7*	−1.0 to 2.4	1.2†	0.5 to 1.9	1.6*	−0.3 to 3.5
Cardiac over 65 years	1.3*	0.4 to 2.2	1.2*	−1.1 to 3.6	1.3*	−0.1 to 2.7	0.5*	−1.6 to 2.6	1.6†	0.7 to 2.4	1.5*	0.3 to 2.7
IHD over 65 years	1.1†	0.7 to 1.5	0.8†	0.3 to 1.4	1.1†	0.7 to 1.6	0.3†	−0.2 to 0.9	0.9†	0.3 to 1.5	0.8*	−1.1 to 2.7