Table 1.

Practice-Based Research Network Characteristics

PBRN Characteristics (n = 54)PBRNs, n (%)
Time as PBRN director (years)
    <13 (5.6)
    1–317 (31.5)
    4–59 (16.7)
    6–1014 (25.9)
    >1011 (20.4)
Years PBRN has existed
    <10 (0.0)
    1–38 (14.8)
    4–65 (9.3)
    6–1016 (29.6)
    >1025 (46.3)
Scope of PBRN
    Local11 (20.4)
    State18 (33.3)
    Regional16 (29.6)
    National9 (16.7)
Practitioners in PBRN (n)
    <201 (1.9)
    21–4910 (18.5)
    >5043 (79.6)
Practice locations in PBRN (n)
    <51 (1.9)
    5–92 (3.8)
    10–199 (17.0)
    ≥2041 (77.4)
Residencies in PBRN (n)
    <540 (74.1)
    5–96 (11.1)
    10–194 (7.4)
    ≥204 (7.4)
  • PBRN, practice-based research network.