Table 2 Searches with keywords “treatment migraines” for each discussion forum and the number of topics included in the analysis after limitation
| Discussion forum | Topics | Topics initiated last year | Included topics |
|---|---|---|---|
| Shroomery.org | 317 | 13 | 4 (3 duplicates) |
| Bluelight.org | 242 | 42 | 8 (3 duplicates) |
| Clusterbuster.org | 87 | 4 | 1 |
| Total included | 13 |