Table 3.
Practice characteristics by study wave
| Characteristic | Wave I | Wave II | p value c |
|---|---|---|---|
| ( N = 31 a ) | ( N = 58 b ) | ||
| Outer setting | |||
| Practice type: n (%) | |||
| Academic practice | 3 (10) | 5 (10) | 0.4 |
| Federally designated health center or rural clinic | 9 (30) | 20 (39) | |
| Hospital outpatient practice | 5 (17) | 6 (12) | |
| Private practice | 8 (27) | 19 (37) | |
| Other (Free Clinics, etc.) | 5 (16) | 2 (4) | |
| Missing | 1 | 6 | |
| Practice location: n (%) | |||
| Rural | 11 (38) | 15 (29) | 0.7 |
| Suburban | 6 (21) | 14 (27) | |
| Urban | 12 (41) | 23 (44) | |
| Missing | 2 | 6 | |
| Clinician owned: n (%) | |||
| Yes | 8 (27) | 13 (25) | 1.0 |
| No | 22 (73) | 40 (75) | |
| Missing | 1 | 5 | |
| PBRN member | |||
| Yes | 31 (100) | 39 (67) | 0.0002 |
| No | 0 | 19 (33) | |
| Inner setting | |||
| Medical record type: n (%) | |||
| EHR | 28 (93) | 43 (81) | 0.2 |
| Paper | 2 (7) | 10 (19) | |
| Missing | 1 | 5 | |
| Number of full-time clinicians: n (%) | |||
| 1 | 4 (14) | 8 (16) | 0.7 |
| 2 | 5 (18) | 7 (14) | |
| 3–5 | 10 (36) | 12 (24) | |
| ≥6 | 9 (32) | 22 (45) | |
| Missing | 3 | 9 | |
| Mid-level practitioners: n (%) | |||
| Yes | 19 (63) | 35 (66) | 0.8 |
| No | 11 (37) | 18 (34) | |
| Missing | 1 | 5 | |
| Ever in QI project: n (%) | |||
| Yes | 25 (89) | 31 (65) | 0.0292 |
| No | 3 (11) | 17 (35) | |
| Missing | 3 | 10 | |
aOne wave I practice did not provide any baseline information.
bOne wave II practice did not provide any baseline information.
c p values obtained from Fisher’s exact test.
EHR electronic health record, eGFR estimated glomerular filtration rate, QI quality improvement, PF practice facilitator, LLC local learning collaborative.