Table 2.
Sources of recruitment
| Patient sources of recruitment | Imperial college healthcare NHS trust | University hospital southampton | Total |
| GP | 65 | 397 | 462 |
| Newspaper adverts | 1004 | 102 | 1106 |
| Study website | 75 | 9 | 84 |
| DARE | 16 | 0 | 16 |
| Other bariatrics and diabetes clinics | 9 | 9 | 18 |
| Diabetes UK | 7 | 16 | 23 |
| Other: research/science museum | 7 | 0 | 7 |
| Poster | 4 | 3 | 7 |
| Telescreen outpatient clinics | 4 | 0 | 4 |
| Radio station interview | 0 | 2 | 2 |
| Social media (Facebook or Twitter) | 4 | 0 | 4 |
| Friend | 1 | 1 | 2 |
| Other/unknown | 14 | 28 | 42 |
| Total | 1210 | 567 | 1777 |
Recruitment at Imperial College London Healthcare NHS Trust (ICHT).