Proportion of patients with chronic obstructive pulmonary disease (COPD) recorded as smokers.
| Year and Townsend quintile | Total COPD patientsa | Smokers | Crude % | Age–sex-standardised % (95% CI) | Change in standardised rate (from 2001) |
|---|---|---|---|---|---|
| 2001 | |||||
| 1 (most affluent) | 5 233 | 1 427 | 27.3 | 29.9 (23.7 to 43.3) | N/A |
| 2 | 5 527 | 1 648 | 29.8 | 31.6 (24.5 to 45.3) | N/A |
| 3 | 6 476 | 2 190 | 33.8 | 35.9 (30.6 to 48.2) | N/A |
| 4 | 7 724 | 2 986 | 38.7 | 38.0 (33.9 to 48.7) | N/A |
| 5 (most deprived) | 10 680 | 4 971 | 46.5 | 46.6 (43.1 to 50.6) | N/A |
| 2005 | |||||
| 1 (most affluent) | 7 763 | 1 770 | 22.8 | 23.4 (19.6 to 33.6) | –6.5 |
| 2 | 7 993 | 1 986 | 24.9 | 27.5 (24.0 to 38.1) | –4.1 |
| 3 | 9 550 | 2 760 | 28.9 | 31.8 (28.3 to 38.2) | –4.1 |
| 4 | 10 680 | 3 743 | 35.1 | 37.2 (32.9 to 44.1) | –0.8 |
| 5 (most deprived) | 14 078 | 5 969 | 42.4 | 45.3 (39.2 to 57.1) | –1.3 |
↵a With smoking status recorded. N/A = not applicable.