Change in distribution of depression over time in the clinical study (completer only, n=209)*
| Depression level | Baseline (%) | Month 3 (%) | Month 6 (%) | Month 12 (%) | Total (%) |
|---|---|---|---|---|---|
| Intervention group | |||||
| Normal | 53.3 | 61.9 | 68.6 | 68.6 | 63.1 |
| Mild depression | 28.6 | 29.5 | 21.8 | 22.9 | 24.5 |
| Clinical depression | 18.1 | 8.6 | 13.6 | 8.6 | 12.4 |
| Control group | |||||
| Normal | 53.9 | 51.0 | 60.4 | 52.9 | 54.5 |
| Mild depression | 31.7 | 36.0 | 26.7 | 39.4 | 33.5 |
| Clinical depression | 14.4 | 13.0 | 12.8 | 7.7 | 12.0 |
| Total | |||||
| Normal | 53.6 | 56.6 | 64.6 | 60.8 | 58.9 |
| Mild depression | 30.1 | 32.7 | 21.8 | 31.1 | 30.0 |
| Clinical depression | 16.3 | 10.7 | 13.6 | 8.1 | 12.2 |
*Pearson χ2 (6)=13.81, p=0.03.