Demographic data for the validation questionnaire (n = 1082)
| Sex | % |
| Male | 47.3 |
| Female | 51.9 |
| Undisclosed | 0.8 |
| Ethnic group | |
| White | 85.7 |
| Black | 1.2 |
| Asian | 10.1 |
| Mixed | 1.6 |
| Other | 1.4 |
| Role | |
| GP/Allied health professionals | 92.8 |
| Trainees | 6.5 |
| Undisclosed | 0.8 |
| Involved in medical education | |
| Yes | 84.5 |
| No | 14.6 |
| Undisclosed | 1.0 |