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Table 7 Comparison of rates of setting quit dates and achieving 4-week quit rates between the trial arms during the two phases of the trial
| 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 | ||||
| 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 | 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 |
