Participating case sites
| Criteria | Category | Counts |
| Type of Trust | District general | 3 |
| Teaching | 3 | |
| Setting* | Rural | 2 |
| Urban | 3 | |
| Mixed | 1 | |
| Level of engagement with the GIRFT programme at time of recruitment | High | 2 |
| Medium | 2 | |
| Low | 2 | |
| Region of England | East of England | 1 |
| London | 1 | |
| North East & Yorkshire | 1 | |
| South East | 2 | |
| South West | 1 |
*Defined by interviewees and/or local public health annual reports.
GIRFT, Getting it Right First Time.