Baseline demographic characteristics and smoking history of study participants, by counselling group and counselling+varenicline group
| Counselling (n=592) | Counselling+varenicline (n=332) | p Value | |
|---|---|---|---|
| Age, mean (SD), years | 41.2±11.2 | 41.3±9.8 | 0.898 |
| Gender, Number (%) | |||
| Male | 568 (95.9) | 315 (94.9) | 0.506 |
| Female | 24 (4.1) | 17 (5.1) | |
| Education, Number (%) | |||
| High school and below | 263 (44.4) | 146 (44.0) | 0.945 |
| College and above | 329 (55.6) | 186 (56.0) | |
| Age began smoking, mean (SD) | 19.4±5.2 | 19.4±4.4 | 0.953 |
| Number of years smoked, mean (SD) | 21.4±10.7 | 21.3±9.7 | 0.864 |
| Number of cigarettes/day over past 1 month, mean (SD)** | 20.4±11.2 | 22.2±11.9 | 0.017 |
| Fagerström score†, mean (SD) | 5.1±2.5 | 6.0±2.5 | <0.001 |
| ≥1 previous quit attempt, n (%) | 441 (74.5) | 269 (81.0) | 0.028 |
| Age, mean (SD), years | 41.2±11.2 | 41.3±9.8 | 0.90 |
| Gender, n (%) | |||
| Male | 568 (95.9) | 315 (94.9) | 0.51 |
| Female | 24 (4.1) | 17 (5.1) | |
| Education, n (%) | |||
| High school and below | 263 (44.4) | 146 (44.0) | 0.96 |
| College and above | 329 (55.6) | 186 (56.0) | |
| Age began smoking, mean (SD) | 19.4±5.2 | 19.4±4.4 | 0.95 |
| No of years smoked, mean (SD) | 21.4±10.7 | 21.3±9.7 | 0.86 |
| No of cigarettes/day over past 1 month, mean (SD)** | 20.4±11.2 | 22.2±11.9 | <0.05 |
| Fagerström score†, mean (SD)* | 5.1±2.5 | 6.0±2.5 | <0.001 |
| ≥1 previous quit attempt, No (%)** | 441 (74.5) | 269 (81.0) | <0.05 |
*p<0.001.
**p<0.05.
†Range, 0 to 10. Higher scores indicate greater dependence.