Table 1.
Dependent variables at baseline, 6 weeks (end of experimental period), and at 8 and 10 week follow ups.
| Smoking-related measures | Baseline M (SD) | 6 Weeks M (SD) | 8 Weeks M (SD) | 10 weeks M (SD) |
|---|---|---|---|---|
| Number of cartomizers/week | 0 | 4.6 (5.4) | 3.1 (5.3) | 3.2 (6.0) |
| Cigarettes/day past 7 days | 19.6 (8.2) | 6.7 (7.9) | 8.3 (8.6) | 8.8 (8.3) |
| Expired CO concentration (ppm) | 17.33 (6.11) | 9.67 (6.98) | 11.65 (6.56) | 11.25 (6.38) |
| FTCD | 5.94 (1.96) | 3.89 (2.78) | – | 3.50 (3.08) |
| Contemplation Ladder | 5.17 (0.99) | 7.17 (1.58) | – | 6.94 (1.75) |
| Reasons to use e-cigs | 20.8 (2.0) | 19.9 (4.7) | – | – |
| Reasons not to use e-cigs | 4.11 (3.20) | 7.11 (3.79) | – | – |
Note: FTCD means Fagerström Test for Cigarette Dependence, CO means carbon monoxide, ppm means parts per million.