Table 1.
Baseline characteristics of patients with coronary heart disease assigned to smoking cessation programme or usual care (control group). Values are numbers (percentages) of patients unless stated otherwise
| Characteristic | Intervention group (n=118) | Control group (n=122) |
|---|---|---|
| Mean (SD) age (years) | 57 (9) | 57 (9) |
| Men | 90 (76) | 92 (75) |
| Married or living with partner | 90 (76) | 94 (77) |
| Employed | 67 (57) | 52 (43) |
| No education after primary school | 46 (39) | 33 (27) |
| Retired | 21 (18) | 35 (29) |
| Alcohol consumption >1 unit a day | 5 (4) | 8 (7) |
| Previously no coronary artery disease | 93 (79) | 85 (70) |
| Myocardial infarction | 91 (77) | 85 (69) |
| Bypass surgery | 10 (8) | 18 (15) |
| Unstable angina | 17 (14) | 19 (16) |
| Mean (SD) No of days in hospital | 6.9 (4.4) | 6.7 (3.4) |
| Mean (SD) No of days in intensive care unit | 2.7 (2.0) | 2.8 (2.1) |
| Mean (SD) years of smoking | 38.3 (13.9) | 37.6 (11.5) |
| Mean (SD) No of cigarettes a day | 14.3 (5.7) | 15.6 (8.3) |
| Mean (SD) No of previous attempts to quit | 2.3 (3.1) | 2.3 (3.0) |
| Smoked in 24 hours before admission | 101 (87) | 114 (93) |
| Spouse who smokes | 45 (38) | 51 (42) |