| Baseline | Follow-up | |||
| Control (n = 67) | Intervention (n = 66) | Control (n = 67) | Intervention (n = 66) | |
| n (%) | n (%) | n (%) | n (%) | |
| AUDIT score | ||||
| 0–7 | 0 (0) | 0 (0) | 20 (30) | 21 (32) |
| Low risk | ||||
| 8–12 | 34 (51) | 33 (50) | 26 (39) | 26 (39) |
| Hazardous level | ||||
| 13–19 | 27 (40) | 24 (36) | 12 (18) | 15 (23) |
| Harmful level | ||||
| ⩾20 Risk of dependence | 6 (9) | 9 (14) | 9 (13) | 4 (6) |
| AUDIT-3 score ⩾3 | 30 (46) | 32 (51) | 31 (46) | 26 (39) |