| Strengths | |
| Leadership | 86 (65.6) |
| Study development | 79 (60.3) |
| Study management | 76 (58.0) |
| Data management | 71 (54.2) |
| Network staff | 70 (53.4) |
| Diversity of patient population | 68 (51.9) |
| Capacity to conduct research | 60 (45.8) |
| Geographic distribution | 59 (45.0) |
| Access to patient data | 58 (44.3) |
| IRB/HIPAA | 58 (44.3) |
| Recruitment | 54 (41.2) |
| Computer access at practices | 53 (40.5) |
| Research agenda setting | 52 (39.7) |
| Challenges | |
| Infrastructure funding | 89 (67.9) |
| Infrastructure support | 69 (52.7) |
| Compensation strategies | 64 (48.9) |
| EMR availability/interface | 57 (43.5) |
| Community participation | 55 (42.0) |
| Provider training | 52 (39.7) |
| Member involvement | 52 (39.7) |
Data provided as n (%).
↵* Reported by ≥40% of the practice-based research networks (N = 131).
IRB, institutional review board; HIPAA, Health Insurance Privacy and Accountability Act; EMR, electronic medical record.