Characteristics of Participating Physicians
| Characteristic | Overall (N = 254) | Study Group | ||
|---|---|---|---|---|
| Intervention (n = 130) | Control (n = 124) | P Value | ||
| Age for tertile, mean (SD), ya | .31 | |||
| <43.49 | 39.0 (2.9) | 39.3 (2.7) | 38.8 (3.1) | |
| 43.49-55.0 | 48.3 (3.3) | 48.2 (3.3) | 48.5 (3.3) | |
| >55.0 | 62.4 (4.3) | 63 (4.5) | 61.8 (4.0) | |
| Female, No. (%) | 143 (56.3) | 74 (56.9) | 69 (55.7) | .94 |
| MD degree (vs DO degree), No. (%) | 236 (92.9) | 124 (95.4) | 112 (90.3) | .12 |
| International medical graduate, No. (%) | 19 (7.5) | 7 (5.4) | 12 (9.7) | .20 |
| Most recent ABFM Certification Examination score for tertile, mean (SD)b | .76 | |||
| <530 | 470.4 (44.8) | 468.8 (44.8) | 472.3 (45.3) | |
| 530-620 | 583.3 (24.2) | 586.1 (25.6) | 580.9 (22.9) | |
| >620 | 686.3 (48.8) | 688.1 (49.0) | 684.2 (49.1) | |
| Organization, No. (%) | .10 | |||
| KPWA | 90 (35.4) | 54 (41.5) | 36 (29.0) | |
| KPCO | 64 (25.2) | 26 (20.0) | 38 (30.7) | |
| OCHIN | 94 (37.0) | 46 (35.4) | 48 (38.7) | |
| SETMA | 6 (2.4) | 4 (3.1) | 2 (1.6) | |
ABFM = American Board of Family Medicine; DO = doctor of osteopathic medicine; KPCO = Kaiser Permanente Colorado; KPWA = Kaiser Permanente Washington; MD = doctor of medicine; OCHIN = a nonprofit health care innovation center focused on the needs of community health centers, small practices, and critical access hospitals; SETMA = Southeast Texas Medical Associates.
↵a In study population overall, 84 physicians fell into bottom (youngest) tertile, 87 physicians into middle tertile, and 83 physicians into top (oldest) tertile.
↵b In study population overall, 94 physicians fell into bottom tertile, 82 physicians into middle tertile, and 78 physicians into top tertile.