Table 4

 Adjusted* mortality rate ratios (and 95% confidence intervals) expressed for 10 μg/m3 of air pollution

24 areas18 areas
All non-accidental causesLung cancerCardiopulmonary diseaseAll non-accidental causesLung cancerCardiopulmonary disease
*Adjusted for age, smoking habits, body mass index, educational level, occupational exposure, and stratified by sex.
Sulphur dioxide1.01 (0.99 to 1.03)0.99 (0.92 to 1.07)0.97 (0.92 to 1.02)1.01 (0.98 to 1.04)1.00 (0.91 to 1.11)0.95 (0.89 to 1.01)
Acidimetric method1.01 (0.99 to 1.02)0.97 (0.92 to 1.02)1.01 (0.98 to 1.04)1.00 (0.98 to 1.02)0.95 (0.88 to 1.02)1.01 (0.97 to 1.05)
Total suspended particles1.00 (0.99 to 1.01)0.97 (0.94 to 1.01)1.01 (0.99 to 1.03) 1.05 (1.02 to 1.08) 1.00 (0.92 to 1.10) 1.06 (1.01 to 1.12)
Black smoke0.99 (0.98 to 1.01)0.97 (0.93 to 1.01)1.00 (0.97 to 1.02) 1.07 (1.03 to 1.10) 1.03 (0.92 to 1.15)1.05 (0.98 to 1.12)
Nitrogen dioxide0.96 (0.93 to 1.00)0.97 (0.85 to 1.10)1.01 (0.94 to 1.08) 1.14 (1.03 to 1.25) 1.48 (1.05 to 2.06) 1.27 (1.04 to 1.56)
Nitrogen oxide0.99 (0.98 to 1.00)0.97 (0.94 to 1.01)1.00 (0.98 to 1.02) 1.11 (1.05 to 1.17) 1.06 (0.87 to 1.29)1.08 (0.96 to 1.22)