Treatment groups of articles containing spin
| Treatment group | No. (%) (n=65) |
| Experimental arm | |
| Pharmacological treatment | 22 (34) |
| Non-pharmacological therapy | 18 (28) |
| Other* | 25 (39) |
| Comparator arm | |
| Placebo/Sham | 14 (22) |
| Care-as-usual | 14 (22) |
| Non-pharmacological therapy | 7 (11) |
| Pharmacological treatment+placebo | 5 (8) |
| Pharmacological treatment | 2 (3) |
| Combination of above | 3 (5) |
| Procedure | 0 (0) |
| Other* | 20 (31) |
*For example, visiting an educational website.