Definition | Active (n = 209) | Placebo (n = 105) | χ2 p-value | ||
---|---|---|---|---|---|
 | n | % | n | % |  |
Sustained abstinence from W6 to M4 | 42 | 20.1 | 9 | 8.6 | 0.009 |
Sustained abstinence from M6 to M12 | 39 | 18.7 | 9 | 8.6 | 0.019 |
Point prevalence abstinence at 4 M | 55 | 26.3 | 14 | 13.3 | 0.009 |
Point prevalence abstinence at 12 M | 45 | 21.5 | 11 | 10.5 | 0.016 |
Sustained reduction from W6 to M4 | 41 | 19.6 | 25 | 23.8 | Â |
Sustained reduction from M6 to M12 | 36 | 17.2 | 19 | 18.1 | Â |