Self help | All counselled | Planned number of sessions (total duration of sessions) | ||||||
5 (50 minutes) | 7 (Booster) (80 minutes) | 3 (105 minutes) | 5 (Booster) (135 minutes) | 5 (210 minutes) | 7 (Booster) (240 minutes) | |||
Enrolled participants | 1564 | 4758 | 1289 | 263 | 819 | 812 | 749 | 826 |
Followed 6 months | 743 | 2411 | 653 | 120 | 431 | 434 | 409 | 433 |
Response rate | 0.48 | 0.52 | 0.51 | 0.46 | 0.53 | 0.53 | 0.55 | 0.52 |
Respondent quit rate | 0.160** | 0.208** | 0.198* | 0.308* | 0.162 | 0.203 | 0.232 | 0.224 |
95% CI | 0.134 to 0.187 | 0.192 to 0.224 | 0.167 to 0.228 | 0.226 to 0.391 | 0.128 to 0.197 | 0.165 to 0.241 | 0.191 to 0.273 | 0.185 to 0.263 |
Enrolled quit rate | 0.076** | 0.108** | 0.100* | 0.141* | 0.085 | 0.108 | 0.127 | 0.117 |
95% CI | 0.063 to 0.089 | 0.100 to 0.117 | 0.084 to 0.116 | 0.099 to 0.183 | 0.066 to 0.105 | 0.087 to 0.130 | 0.103 to 0.151 | 0.095 to 0.139 |
Mean number of sessions completed | – | – | 1.56 | 1.83 | 0.74 | 0.92 | 1.38 | 1.51 |
**0.005 significance level for the difference between these two rates (χ2 test).
*0.05 significance level for the difference between these two rates (χ2 test).
No other planned comparisons found significant differences between rates.