Number of different interventions identified in scoping review that describe a role for the family doctor in primary care obesity management—by country where the intervention was undertaken, and study design
| Country of intervention | Study design | ||
| Australia | 2 | RCT | 40 |
| Canada | 5 | Single-arm trial | 21 |
| Denmark | 1 | Cohort | 7 |
| Germany | 3 | Non-randomised two-arm trial | 2 |
| Israel | 2 | Cost-effectiveness | 2 |
| Italy | 1 | Action research (protocol) | 1 |
| Japan | 1 | Case–control | 1 |
| Netherlands | 3 | Clinical audit | 1 |
| New Zealand | 2 | Cross sectional | 1 |
| Scotland | 1 | Educational intervention | 1 |
| Spain | 1 | ||
| Switzerland | 4 | ||
| UK | 5 | ||
| UK/Australia/Germany | 1 | ||
| UK/Scotland | 1 | ||
| USA | 44 | ||
| Total | 77 | Total | 77 |
RCT, randomised controlled trial.