Table 1.

Practice Characteristics

Cohort 1 N = 95Cohort 2 N = 155Cohort 3 N = 84Total N = 334
N (%) or mean (SD)N (%) or mean (SD)N (%) or mean (SD)N (%) or mean (SD)P-value
Organization type<0.0001
 FQHC22 (23.2)49 (31.6)11 (13.4)82 (24.6)
 HMO1 (1.1)0 (0)3 (3.6)4 (1.2)
 Hospital/system25 (26.3)24 (15.5)12 (14.3)61 (18.3)
 School-based clinic3 (3.2)19 (12.3)4 (4.8)26 (7.8)
 Private44 (46.3)63 (40.7)54 (64.3)161 (48.2)
Ages served0.0008
 Adults only11 (11.6)5 (3.2)17 (20.2)33 (9.9)
 All ages63 (66.3)112 (72.3)46 (54.8)221 (66.2)
 Children only21 (22.1)38 (24.5)21 (25.0)80 (24.0)
Size<0.0001
 Large46 (48.4)31 (20.0)20 (23.8)97 (29.0)
 Medium27 (28.4)51 (32.9)25 (29.8)103 (30.8)
 Small22 (23.2)73 (47.1)39 (46.4)134 (40.1)
Visits per year17,288 (13184)10,843 (14119)11,237 (11237)12,773 (15007)0.0024
Rural location24 (25.3)58 (37.4)19 (22.6)101 (30.2)0.0271
Percent uninsured10.0 (14.2)11.4 (13.6)6.9 (10.3)9.9 (13.1)0.0421
Percent medicaid32.8 (26.8)36.8 (25.8)28.8 (23.3)33.6 (25.6)0.0651
  • Abbreviations: FQHC, Federally Qualified Health Center; HMO, Health Maintenance Organization; SD, Standard Deviation.