Table 1.
Baseline characteristics of the trial participants.
| Total (N = 572) |
CASC (N = 285) |
Control (N = 287) |
|
|---|---|---|---|
| Age | 46 ± 11 | 47 ± 11 | 45 ± 12 |
| Age ranges | |||
| <40 years | 171 (30) | 75 (26) | 96 (33) |
| 40–49 years | 179 (31) | 97 (34) | 82 (29) |
| 50–59 years | 159 (28) | 82 (29) | 77 (27) |
| ≥60 years | 63 (11) | 31 (11) | 32 (11) |
| Male sex | 426 (75) | 216 (76) | 210 (73) |
| Smoking history | |||
| Years of smoking | 25 (18–33) | 25 (19–32) | 24 (17–33) |
| Cigarettes per day | 20 (15–20) | 20 (15–20) | 20 (15–20) |
| Pack-years | 20 (14–30) | 21 (14–30) | 20 (13–31) |
| Exhaled CO (ppm) | 17 ± 11 | 17 ± 10 | 18 ± 11 |
| TDS score | 7.7 ± 1.5 | 7.7 ± 1.4 | 7.8 ± 1.5 |
| FTND | 5.3 ± 2.1 | 5.2 ± 2.0 | 5.3 ± 2.1 |
| Comorbidities | |||
| Cardiovascular diseases | 93 (16) | 45 (16) | 48 (17) |
| Respiratory diseases | 93 (16) | 48 (17) | 45 (16) |
| Psychiatric diseases | 31 (5) | 12 (4) | 19 (7) |
| Prescribed Medication | |||
| Varenicline | 454 (79) | 227 (80) | 227 (79) |
| Nicotine patch | 114 (20) | 56 (20) | 58 (20) |
| No medication | 4 (1) | 2 (1) | 2 (1) |
Data include mean ± standard deviation, number (%), or median (interquartile range) scores.
CO carbon monoxide, FTND Fagerström test for nicotine dependence, and TDS tobacco dependence screener.