| User type | Users, n (%) | Tweets, n (%) |
|---|---|---|
| Consumer | 413 (25.6) | 457 (21.5) |
| Health organisation | 354 (22.0) | 581 (27.3) |
| Healthcare professional | 250 (15.5) | 297 (14.0) |
| Media | 229 (14.2) | 350 (16.4) |
| Other | 202 (12.5) | 258 (12.1) |
| Unknown | 163 (10.2) | 186 (8.7) |
| Total | 1611 (100) | 2129 (100) |