| Period | Intervention | Control | p-value | |||
| Good | Poor | Good | Poor | |||
| Quite smoking | Baseline | 42 (85.7%) | 7 (14.3%) | 46 (97.9%) | 1 (2.1%) | 0.059 |
| 6 month | 46 (93.9%) | 3 (6.1%) | 45 (95.7%) | 2 (4.3%) | 1.000 | |
| 9 months | 44 (89.8%) | 5 (10.2%) | 46 (97.9%) | 1 (2.1%) | 0.204 | |
| 12 months | 42 (89.4%) | 5 (10.6%) | 46 (97.9%) | 1 (2.1%) | 0.203 | |
| 24 months | 36 (87.8%) | 5 (12.2%) | - | - | - | |
| 36 months | 31 (86.1%) | 5 (13.9%) | - | - | - | |
| Quite drinking | Baseline | 32 (65.3%) | 17 (34.7%) | 38 (80.9%) | 9 (19.1%) | 0.110 |
| 6 month | 28 (57.1%) | 21 (42.9%) | 32 (68.1%) | 15 (31.9%) | 0.298 | |
| 9 months | 29 (59.2%) | 20 (40.8%) | 30 (63.8%) | 17 (36.2%) | 0.679 | |
| 12 months | 27 (57.4%) | 20 (42.6%) | 28 (59.6%) | 19 (40.4%) | 1.000 | |
| 24 months | 24 (58.5%) | 17 (41.5%) | - | - | - | |
| 36 months | 20 (55.6%) | 16 (44.4%) | - | - | - | |