Table 2.
Scores of outcome measures over time according to group allocation using intention to treat analysis
| Mean score (mean ± SD) |
Mean change (mean ± SD) |
Mean difference in change between groups (mean ± SD) | ||||
|---|---|---|---|---|---|---|
| Acupuncture | Sham | Acupuncture | Sham | |||
| MNWS | ||||||
| Baseline | 18.8 ± 8.9 | 20.6 ± 7.3 | − | − | − | |
| Final | 6.6 ± 7.0 | 7.9 ± 7.7 | 12.2 ± 9.7 | 12.8 ± 7.7 | −0.6 ± 9.7 | |
| Follow-up | 7.1 ± 6.8 | 8.1 ± 7.6 | 11.7 ± 10.2 | 12.6 ± 7.8 | −0.9 ± 10.1 | |
| BDI | ||||||
| Baseline | 10.9 ± 7.1 | 9.1 ± 5.1 | − | − | − | |
| Final | 3.8 ± 3.8 | 3.2 ± 4.3 | 7.6 ± 6.2 | 5.8 ± 5.3 | 1.8 ± 6.3 | |
| Follow-up | 3.2 ± 4.4 | 2.3 ± 4.1 | 8.2 ± 7.3 | 6.7 ± 4.8 | 1.5 ± 7.0 | |
| BAI | ||||||
| Baseline | 11.4 ± 8.3 | 9.7 ± 6.6 | − | − | − | |
| Final | 4.5 ± 5.4 | 4.4 ± 3.5 | 5.6 ± 6.1 | 4.6 ± 4.7 | 1.0 ± 6.0 | |
| Follow-up | 3.2 ± 3.0 | 3.6 ± 3.5 | 7.0 ± 7.1 | 5.4 ± 4.4 | 1.6 ± 6.7 | |
MNWS, Minnesota nicotine withdrawal scale; BDI, Beck Depression Inventory; BAI, Beck Anxiety Inventory.