Distribution of hospital and population controls by smoking habit and coffee consumption
| Total | Non-smoker | Ex-smoker | Current smokers (cigarettes/day) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1–10 | 11–20 | 21–30 | 31+ | ||||||
| Coffee drinkers | |||||||||
| Hospital controls1-150 | 393 | 60 (15.3)1-151 | 85 (21.7) | 49 (12.5) | 135 (34.4) | 46 (11.8) | 16 (4.1) | ||
| Population controls1-150 | 386 | 63 (16.4) | 107 (27.9) | 51 (13.3) | 111 (28.9) | 40 (10.4) | 12 (3.1) | ||
| Ex-coffee drinkers | |||||||||
| Hospital controls | 41 | 10 (24.4) | 17 (41.5) | 4 (9.8) | 8 (19.5) | 1 (2.4) | 1 ( 2.4) | ||
| Population controls | 43 | 12 (27.9) | 16 (37.2) | 4 (9.3) | 7 (16.3) | 4 (9.3) | 0 (0.0) | ||
| Non-coffee drinkers | |||||||||
| Hospital controls1-152 | 57 | 24 (44.4) | 16 (29.6) | 8 (14.8) | 4 (7.4) | 1 (1.9) | 1 (1.9) | ||
| Population controls | 43 | 17 (39.5) | 12 (27.9) | 3 (7.0) | 7 (16.3) | 2 (4.7) | 2 (4.7) | ||