|
Characteristic |
Control group |
Intervention group |
|---|---|---|
|
Participants |
363 |
385 |
|
Sex (women) |
210 (58%) |
221 (57%) |
|
Age (years), mean (SD) |
50.1 (15.6) |
49.6 (15.1) |
|
Cigarettes per day, mean (SD) |
12.3 (7.1) |
12.7 (7.8) |
|
Not reported |
52 (14.3%) |
42 (10.9%) |
|
Surgery category |
||
|
1 (within 30 days) |
30 (8%) |
29 (8%) |
|
2 (within 60 days) |
237 (65%) |
250 (65%) |
|
3 (within 12 months) |
96 (26%) |
106 (28%) |
|
Surgery type |
||
|
General surgery |
92 (25%) |
86 (22%) |
|
Gynaecology |
79 (22%) |
89 (23%) |
|
Orthopaedic |
67 (18%) |
66 (17%) |
|
Urology |
43 (12%) |
41 (11%) |
|
Plastic surgery |
35 (10%) |
22 (6%) |
|
Vascular |
27 (7%) |
45 (12%) |
|
Ear/nose/throat |
20 (6%) |
35 (9%) |
|
Thoracic |
0 |
1 (0.3%) |
SD = standard deviation.