Role of survey respondents by total number and percentage of total (where subgroups defined, percentages are represented of total of that subgroup)
| Role | n (%) |
| Consultants (not screening colonoscopists) | 273 (47.2) |
| Physicians | 178 (65.2) |
| Surgeons | 95 (34.7) |
| Current consultant screening colonoscopists | 128 (22.1) |
| Physicians | 107 (83.6) |
| Surgeons | 21 (16.4) |
| Nurse/clinical endoscopists | 110 (19.0) |
| Trainee endoscopists | 67 (11.6) |
| Medical | 63 (94.0) |
| Surgical | 4 (6.0) |
| Total | 578 |