Demographic and professional characteristics of Delphi expert panel
| No. | Gender | Professional background | Professional role |
| 1 | M | Consultant | Clinical/physical activity academic |
| 2* | F | Pharmacist | Clinical/education |
| 3 | F | Physiotherapist | Clinical |
| 4* | M | Consultant | Clinical/physical activity |
| 5 | M | Consultant | Clinical |
| 6 | F | Academic | Intervention design/health policy |
| 7 | F | GP | Clinical |
| 8* | M | Consultant | Clinical/academic |
| 9 | M | CEO | Digital communication/ physical activity |
| 10 | M | Consultant | Clinical |
| 11* | F | Nurse | Clinical/education |
| 12 | F | Midwife | Clinical/education |
| 13 | M | Academic | Physical activity researcher |
| 14 | M | Consultant | Clinical/academic |
| 15* | F | Psychologist | Behavioural change/health policy |
*Did not participate in the second Delphi round.
F, female; M, male.