Table 1 Efficacy of shorter reduction programmes versus standard length
From: A randomised trial of nicotine assisted reduction to stop in pharmacies - the redpharm study
80% power | 90% power | |||
|---|---|---|---|---|
Base quit proportion | RR | Quit proportion in intervention | N in each arm | N in each arm |
0.21 | 1.7 | 0.357 | 146 | 195 |
0.21 | 1.8 | 0.378 | 114 | 152 |
0.21 | 1.9 | 0.399 | 91 | 122 |