Table 3.
Participants’ smoking-related characteristics recorded at baseline and six-month follow-up (N = 759).
| Variable | Frequency | Percent (%) |
|---|---|---|
| Smoking-related characteristics recorded at baseline | ||
| Age of starting smoking, median (IQR) | 18 (15–20) | |
| Number of years of smoking (years) | ||
| 0–9 | 99 | 13.0 |
| 10–19 | 381 | 50.2 |
| 20 or more | 279 | 36.8 |
| Median (IQR) | 18 (13–20) | |
| Number of cigarettes smoked per day | ||
| 1–10 | 102 | 13.4 |
| 11–20 | 211 | 27.8 |
| 21–30 | 323 | 42.6 |
| ≥31 | 123 | 16.2 |
| Median (IQR) | 24 (20–25) | |
| Carbon monoxide concentration (ppm) | ||
| 0–9 | 267 | 35.2 |
| 10–19 | 267 | 35.2 |
| 20–29 | 114 | 15.0 |
| 30 or more | 111 | 14.6 |
| Median (IQR) | 16 (6–23) | |
| Smoking-related characteristics recorded at six-month follow-up | ||
| Type of therapy for smoking cessation | ||
| Nicotine Replacement Therapy (NRT)* | 323 | 42.6 |
| Varenicline alone | 370 | 48.7 |
| Combination of NRT and Varenicline | 241 | 31.8 |
| Medication adherence | ||
| Always | 452 | 59.5 |
| Not always | 307 | 40.5 |
| Exposed to secondhand smoke among friends | ||
| Yes | 640 | 84.3 |
| No | 119 | 15.7 |
| Exposed to secondhand smoke at home | ||
| Yes | 152 | 20.0 |
| No | 607 | 80.0 |
| Number of smokers at the same home (n = 152) | ||
| One | 80 | 52.6 |
| Two | 40 | 26.3 |
| Three or more | 32 | 21.1 |
ppm, particle per million; *include, nicotine patches and lozenges.