Table 2 Impact of physician interaction on quitting smoking
| Â | Abstinence (7-day pp) | Serious Quit Attempt | ||
8-week Follow-up | F | p-value | F | p-value |
 Main effect of Group | 5.69 | 0.018 | 160.11 | <0.001 |
 Main effect of Physician Interaction | 1.93 | 0.165 | 1.97 | 0.161 |
 Interaction between Group and Physician Interaction | 2.96 | 0.086 | 0.442 | 0.506 |
| Â | Abstinence (30-day pp) | Serious Quit Attempt | ||
6-month Follow-up | F | p-value | F | p-value |
 Main effect of Group | 3.99 | 0.047 | 59.92 | <0.001 |
 Main effect of Physician Interaction | 0.29 | 0.594 | 3.74 | 0.054 |
 Interaction between Group and Physician Interaction | 0.77 | 0.382 | 4.14 | 0.003 |