Table 3.
Number and percentage of participants reporting 0–5 quit attempts at months 3, 6, 12, and 18 by condition
| E-ISI | STC | ||||
|---|---|---|---|---|---|
| n | % | n | % | ||
| 3 Months (n = 164) | |||||
| 0 | 34 | 41.5 | 57 | 69.5 | p = .02 |
| 1 | 24 | 29.3 | 14 | 17.1 | |
| 2 | 6 | 7.3 | 6 | 7.3 | |
| 3 | 9 | 11.0 | 2 | 2.4 | |
| 4 | 4 | 4.9 | 0 | 0 | |
| 5 | 5 | 6.1 | 3 | 3.7 | |
| 6 Months (n = 162) | |||||
| 0 | 36 | 43.9 | 45 | 56.3 | p = .12 |
| 1 | 21 | 25.6 | 17 | 21.3 | |
| 2 | 8 | 9.7 | 7 | 8.8 | |
| 3 | 3 | 3.7 | 1 | 1.3 | |
| 4 | 5 | 6.1 | 3 | 3.8 | |
| 5 | 9 | 11.0 | 7 | 8.8 | |
| 12 Months (n = 159) | |||||
| 0 | 30 | 37.5 | 45 | 57.0 | p = .02 |
| 1 | 22 | 27.5 | 15 | 19.0 | |
| 2 | 5 | 6.3 | 7 | 8.9 | |
| 3 | 6 | 7.5 | 1 | 1.3 | |
| 4 | 4 | 5 | 4 | 5.1 | |
| 5 | 13 | 16.3 | 7 | 8.9 | |
| 18 Months (n = 156) | |||||
| 0 | 34 | 43.0 | 46 | 59.7 | p =. 05 |
| 1 | 24 | 30.4 | 16 | 20.8 | |
| 2 | 5 | 6.3 | 3 | 3.9 | |
| 3 | 2 | 2.5 | 4 | 5.2 | |
| 4 | 1 | 1.3 | 1 | 1.3 | |
| 5 | 13 | 16.5 | 7 | 9.1 | |
Abbreviations: E-ISI, extended innovative system intervention; STC, standard treatment control.