Table 1.
Background information about each site
| Site | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Location | Rural | Urban/rural | Urban | Urban/rural |
| Main components of organisation | Hospital system and physician group | Independent practice association and hospital system | Independent practice association and hospital system | Integrated delivery system |
| Attributed Medicare population size | 5000–10 000 | 10 000–30 000 | 10 000–30 000 | >30 000 |
| Approximate population of main geographical area | <200k | 200k–1 million | >1 million | >1 million |
| Number of ACO interviews | 8 | 7 | 6 | 8 |
| Number of Public health agency interviews | 2 | 3 | 2 | 3 |
ACO, accountable care organisation.