Characteristic | Categories | Abstinent at primary endpoint (n = 11) | Current smoker at primary endpoint (n = 15) | Stopped participation or lost-to-follow-up (n = 13)b |
---|---|---|---|---|
Fagerström score | Score below 5 (low dependency) | 8 (73) | 5 (33) | 8 (62) |
Score of 5 or higher | 3 (27) | 10 (67) | 4 (31) | |
Number of cigarettes smoked per day | 1–4 cigarettes | 0 (0) | 2 (13) | 3 (23) |
5–9 cigarettes | 4 (36) | 3 (20) | 4 (31) | |
10–14 cigarettes | 4 (36) | 3 (20) | 5 (39) | |
15–19 cigarettes | 2 (18) | 3 (20) | 0 (0) | |
20–30 cigarettes | 1 (9) | 3 (30) | 0 (0) | |
Missing | 0 (0) | 1 (7) | 1 (8) | |
Motivation to quit Score | I think I should quit, but do not really want to | 0 (0) | 0 (0) | 1 (8) |
I want to quit, but have not thought about when | 0 (0) | 0 (0) | 1 (8) | |
I want to quit, but do not know when I will | 0 (0) | 0 (0) | 1 (8) | |
I want to quit and hope to do so soon | 1 (9) | 7 (47) | 1 (8) | |
I really want to quit and plan on doing this within 3Â months | 1 (9) | 1 (7) | 0 (0) | |
I really want to quit and plan on doing so in the upcoming month | 9 (82) | 7 (47) | 7 (54) | |
Missing | 0 (0) | 0 (0) | 2 (15) | |
Age started smoking (years) | Median (IQR) | 15 (13–18) | 14 (13–15) | 16 (14–17) |
Number of previous quit attempts | Never | 5 (45) | 6 (40) | 5 (38) |
Once | 2 (18) | 2 (13) | 4 (31) | |
More than once | 4 (36) | 7 (47) | 3 (23) | |
Total duration of previous smoking cessation | Never quit | 5 (45) | 6 (40) | 5 (38) |
Less than 1Â month | 1 (9) | 2 (13) | 1 (8) | |
1–6 months | 1 (9) | 4 (27) | 4 (31) | |
7–12 months | 1 (9) | 1 (7) | 2 (15) | |
13–24 months | 1 (9) | 2 (13) | 0 (0) | |
25–48 months | 2 (18) | 0 (0) | 0 (0) | |
Partner who smokes | No partner | 2 (18) | 0 (0) | 2 (15) |
No | 1 (9) | 3 (20) | 2 (15) | |
Yes | 8 (73) | 12 (80) | 8 (67) | |
How often in an environment with cigarette smoke | Less than once a month | 1 (9) | 0 (0) | 0 (0) |
More than once a month-less than once a week | 2 (18) | 2 (13) | 1 (8) | |
1–6 days a week | 3 (27) | 3 (20) | 3 (23) | |
Daily | 5 (46) | 9 (60) | 8 (62) | |
Missing | 0 (0) | 1 (7) | 1 (8) |