Table 2 Feasibility outcomes and secondary (incentive conflict task; ICT) outcomes; 1 due to technical problems only three participants completed ICT after baseline at 3 months and three at 12 months, thus only baseline measurements are presented for ICT
Outcome | Control (n = 23) | Intervention (n = 25) | Overall (n = 48) |
|---|---|---|---|
Recruitment rate, number per month (95% CI) | Â | Â | 6 (4.42,7.96) |
Trial retention rate | 16 (69.6%) | 20 (80.0%) | 36 (75.0%) |
Compliance | |||
 Site 1 |  | 8/17 (47.0%) |  |
 Site 2 |  | 3/8 (37.5%) |  |
Completeness | |||
 Days of abstinence | |||
  3 months | 17 (74%) | 14 (56%) | 31 (65%) |
  6 months | 12 (52%) | 12 (48%) | 24 (50%) |
  12 months | 14 (61%) | 16 (64%) | 30 (63%) |
 SADQ | |||
  3 months | 15 (65%) | 14 (56%) | 29 (60%) |
  6 months | 7 (30%) | 8 (32%) | 15 (31%) |
  12 months | 12 (53%) | 13 (52%) | 25 (52%) |
 Alcohol urge | |||
  3 months | 15 (65%) | 13 (52%) | 28 (58%) |
  6 months | 7 (30%) | 7 (28%) | 14 (29%) |
  12 months | 11 (48%) | 11 (44%) | 22 (46%) |
Secondary measurements | |||
ICT measurements at baseline1: Number of presses (%) to obtain reward [mean (SD)] | |||
| Â | Â | Â | Overall (n=20) |
In the presence of single stimuli A or B predicting reward | ------- | ------- | 82.8 (32.8) |
In the presence of combined stimuli AB predicting lack of reward | ------- | ------- | 63.3 (37.9) |