Comparison of Continuous Abstinence Rate and 7-Day Point Prevalence of Abstinence in the Two Groups
| Outcome | EC Group | NG Group | Crude P Value | Adjusted P Value* |
|---|---|---|---|---|
| CAR at 9 to 12 week, (%) | 45.3 | 46.7 | .870 | .947 |
| CAR at 9 to 24 week, (%) | 21.3 | 28.0 | .344 | .291 |
| 7-day PP of abstinence at 12 week, (%) | 65.3 | 66.7 | .863 | .602 |
| 7-day PP of abstinence at 24 week, (%) | 22.7 | 29.3 | .352 | .365 |
EC, electronic cigarette; NG, nicotine gum; CAR, continuous abstinence rates; PP, point prevalence.
↵* Adjusted for confounding baseline factors, such as age and total smoking amount, i.e., pack-year smoked.