Practice-Based Research Network (PBRN) Characteristics (N=86)
| Characteristic | No. (%) |
|---|---|
| PhD=doctoral degree. | |
| Single-specialty PBRNs (n = 33) | |
| Family medicine | 20 (61) |
| Pediatric | 10 (30) |
| Family nurse-practitioner | 2 (6) |
| General internal medicine | 1 (3) |
| Obstetrics, gynecology, and midwifery | 1 (3) |
| Multispecialty PBRNs (n = 53): specialty of PBRN physicians | |
| Family medicine | 51 (96) |
| Pediatric | 38 (72) |
| General internal medicine | 38 (72) |
| Other specialties (PhDs, dentists, specialized medicine) | 21 (40) |
| Family nurse-practitioner | 7 (13) |
| Affiliation | |
| University | 65 (76) |
| Nonprofit organization | 9 (10) |
| Professional organization | 6 (7) |
| Other, none, or not stated | 6 (7) |
| Support from affiliated organization (of 83 with an affiliation) | |
| Direct | 8 (10) |
| Indirect | 12 (14) |
| Both | 39 (47) |
| Neither direct nor indirect | 19 (23) |
| Not stated | 5 (6) |
| Funding for PBRN studies (multiple responses allowed) | |
| Federal funding agency, project-specific | 72 (84) |
| Home institution (eg, university, or nonprofit or professional organization) | 64 (74) |
| Foundation, project-specific | 48 (56) |
| Professional organization | 21 (24) |
| Philanthropic | 15 (17) |
| Other unspecified source of funds | 8 (9) |
| Source of research ideas (n = 85 reporting) | |
| PBRN leaders and clinicians (bottom-up) | 12 (14) |
| Outside investigators (top-down) | 23 (27) |
| Both PBRN leaders/clinicians and outside investigators | 50 (59) |
| General research theme (multiple responses allowed) | |
| Methodology: Interventional studies | 25 (29) |
| Methodology: observational studies | 23 (27) |
| Specific population: age | 14 (16) |
| Specific population: ethnicity | 14 (16) |
| Specific population: urban/rural | 12 (14) |
| Specific population: race | 11 (13) |
| No general theme | 25 (29) |
| Health condition or treatment focus (multiple responses allowed) | |
| Preventive medicine | 48 (56) |
| Diabetes | 41 (48) |
| Cardiovascular risk factors | 29 (34) |
| Mental health | 26 (30) |
| Heart disease | 21 (24) |
| Cancer | 21 (24) |
| Lung disease | 16 (19) |
| Substance abuse | 10 (12) |
| No condition or treatment focus | 10 (12) |