Table 2.
Percentage (number) of participants abstinent from smoking at follow up
| Follow up | Patch and nicotine spray (n=118) | Patch and placebo spray (n=119) | P value (χ2) | Odds ratio (95% CI) |
|---|---|---|---|---|
| 1 day | 88.1 (104) | 82.4 (98) | 0.210 | 1.59 (0.77 to 3.30) |
| 15 days | 70.3 (83) | 52.1 (62) | 0.004 | 2.18 (1.28 to 3.72) |
| 43 days | 50.8 (60) | 34.5 (41) | 0.011 | 1.97 (1.17 to 3.32) |
| 3 months | 37.3 (44) | 25.2 (30) | 0.045 | 1.76 (1.01 to 3.08) |
| 6 months | 31.4 (37) | 16.0 (19) | 0.005 | 2.40 (1.27 to 4.50) |
| 1 year | 27.1 (32) | 10.9 (13) | 0.001 | 3.03 (1.50 to 6.14) |
| 6 years* | 16.2 (19) | 8.5 (10) | 0.08 | 2.09 (0.93 to 4.72) |
Two subjects died, one in each treatment group, between 1 and 6 years of follow up: percentages calculated as 19/117 in treatment group and 10/118 in patch only group.