Practice characteristics (n=20)
| Practice characteristic | Results |
| Specialty | |
| Family medicine | 17 |
| Internal medicine | 3 |
| Geographic location (n) | |
| South | 9 |
| Midwest | 5 |
| West | 4 |
| Northeast | 2 |
| Urban/rural location* (n) | |
| Urban | 18 |
| Rural | 2 |
| No of clinicians (range 1–36, n) | |
| 1 or 2 | 11 |
| 3 or 4 | 7 |
| ≥10 | 2 |
| Practice type (n) | |
| Physician owned | 14 |
| Hospital owned | 3 |
| Other (university practice, community-based primary care, non-profit) | 3 |
| Duration of PPRNet membership (range 2–13 years, n) | |
| 2–5 years | 8 |
| 6–10 years | 6 |
| >10 years | 6 |
| Active adult patients per practice (median, IQR) | 1894 (1001–2594) |
PPRNet, Practice Partner Research Network.
↵* Defined by the practice zip code using the US Department of Health and Human Services Health Resources and Services Administration. Rural-Urban Commuting Area Codes (V.2.0). http://depts.washington.edu/uwruca/approx.html