Table 2.
Characteristics of Practice-Based Research Networks and Practices in Prescription for Health
| Characteristic | PBRN 1 | PBRN 2 | PBRN 3 | PBRN 4 | PBRN 5 | PBRN 6 | PBRN 7 | PBRN 8 | PBRN 9 |
|---|---|---|---|---|---|---|---|---|---|
| PBRN study design | Quasi-experimental (patient level) | Quasi-experimental (practice level) | Pre-post | Quasi-experimental (patient level) | Pre-post | Pre-post | Patient-randomized intervention | Patient-randomized intervention | Patient-randomized intervention |
| Study comparison group | Usual care | Usual care | None | Usual care | None | None | Usual care | Web-based information | Paper education materials |
| Practices in networks, n | 9 | 6 | 15 | 7 | 9 | 6 | 6 | 6 | 8 |
| Practice type, n | |||||||||
| Solo | 2 | 0 | 2 | 2 | 8 | 2 | 0 | 0 | 3 |
| Single specialty | 6 | 0 | 7 | 4 | 0 | 4 | 3 | 5 | 4 |
| Multispecialty | 1 | 6 | 6 | 1 | 1 | 0 | 3 | 1 | 1 |
| Practice ownership, n | |||||||||
| Clinician | 0 | 0 | 3 | 2 | 8 | 3 | 0 | 0 | 3 |
| Hospital health system | 9 | 5 | 6 | 4 | 0 | 1 | 0 | 3 | 3 |
| University health system | 0 | 1 | 0 | 0 | 0 | 1 | 5 | 2 | 2 |
| Other | 0 | 0 | 6 | 1 | 1 | 1 | 1 | 1 | 0 |
| Clinician FTE, mean (SD), n | 2.8 (1.8) | 4.3 (1.4) | 3.9 (3.3) | 3.5 (2.2) | 1.1 (0.3) | 3.5 (2.1) | 8.0 (3.5) | 7.8 (8.4) | 3.3 (3.1) |
FTE=full-time equivalent; PBRN=practice-based research network.