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. 2016 Feb 9;71(4):330–338. doi: 10.1136/thoraxjnl-2015-207111

Figure 2.

Figure 2

ORs (95% CI) per 10 μg/m3 for black smoke (BS) exposure in 1971, 1981 and 1991 and mortality in subsequent decades. Adjusted for age and sex, social class of individual and area, population density and geographical region. Source: Office for National Statistics Longitudinal Study (authors’ own work).