| Setting quit date |  | Russell standard abstinence at 4 weeks |  |
---|---|---|---|---|
 | RR (95%CI) | P-value | RR (95%CI) | P-value |
As a rate of all smokers | Â | Â | Â | Â |
   Randomised Comparison |  |  |  |  |
   Overall | 1.32 (1.03, 1.69) | 0.03 | 1.30 (0.82, 2.06) | 0.24 |
   1st Phase | 1.24 (0.88, 1.75) | 0.21 | 1.36 (0.78, 2.36) | 0.25 |
   2nd Phase | 1.57 (1.03, 2.41) | 0.04 | 1.25 (0.71, 2.22) | 0.42 |
   Versus External Controls |  |  |  |  |
   Overall | 1.28 (1.02, 1.60) | 0.03 | 1.00 (0.69, 1.45) | 0.99 |
   1st Phase | 1.06 (0.81, 1.39) | 0.66 | 0.94 (0.60, 1.47) | 0.78 |
   2nd Phase | 1.36 (0.97, 1.91) | 0.07 | 1.09 (0.67, 1.78) | 0.70 |
   Interaction test |  | 0.42 |  | 0.70 |
As proportion of those setting quit date | Â | Â | OR (95%CI) | P-value |
   Randomised comparison |  |  |  |  |
   Overall |  |  | 0.86 (0.52, 1.42) | 0.53 |
   1st Phase |  |  | 1.06 (0.58, 1.94) | 0.85 |
   2nd Phase |  |  | 0.60 (0.30, 1.20) | 0.14 |
   Versus External Controls |  |  |  |  |
   Overall |  |  | 0.92 (0.61, 1.38) | 0.66 |
   1st Phase |  |  | 0.96 (0.59, 1.56) | 0.85 |
   2nd Phase |  |  | 0.84 (0.48, 1.47) | 0.51 |
   Interaction test |  |  |  | 0.34 |