Baseline Practice and Patient Characteristics
| Baseline Characteristic | All Practices (n = 28) | Intervention Practices (n = 15) | Control Practices (n = 13) | P Value |
|---|---|---|---|---|
| Patients* | ||||
| Baseline, N | 2,798 | 1,501 | 1,297 | |
| Age in years, mean ± SD | 63.5 ± 12.8 | 63.4 ± 12.9, N = 1,500 | 63.8 ± 12.7, N = 1,297 | .7824 |
| Women, % (N) | 59 (1,636/2,795) | 62 (933/1,499) | 54 (703/1,295) | .0686 |
| Body mass index, mean ± SD | 33.8 ± 7.9 | 33.5 ± 7.7, N = 1,446 | 34.1 ± 8.1, N = 1,260 | .1478 |
| Hemoglobin A1c, mean ± SD, % | 7.4 ± 1.8 | 7.4 ± 1.9, N = 1284 | 7.5 ± 1.8, N = 1117 | .8969 |
| Systolic BP, mean ± SD, mm Hg | 131.2 ± 17.3 | 131.7 ± 17.7, N = 1,486 | 130.7 ± 17.0, N = 1,296 | .6074 |
| Diastolic BP, mean ± SD, mm Hg | 76.5 ± 10.6 | 77.0 ± 10.7, N = 1,486 | 76.0 ± 10.4, N = 1,296 | .3635 |
| Low-density lipoprotein level, mean ± SD, mg/dL0.0465 | 95.6 ± 36.8 | 97.8 ± 39.5, N = 1,175 | 93.0 ± 33.3, N = 1,021 | .0465 |
| High-density lipoprotein level, mean ± SD, mg/dL | 49.0 ± 15.9 | 50.2 ± 16.7, N = 1,194 | 47.6 ± 14.7, N = 1,029 | .0015 |
| Practices,†‡ % (n) | ||||
| Rural | 69 (22/32) | 63 (10/16) | 75 (12/16) | .7043 |
| <3 clinicians | 50 (16/32) | 56 (9/16) | 44 (7/16) | .7244 |
| Baseline practice-level ACIC score, median (min., max.); range 0 to 11† | ||||
| Organization of healthcare system | 7.5 (4.5, 11.0) | 7.3 (4.8, 11.0) | 7.5 (4.5, 11.0) | .5366 |
| Community linkages | 6.5 (2.3, 11.0) | 5.3 (2.3, 11.0) | 7.5 (4.0, 8.8) | .2542 |
| Self-management support | 7.0 (3.0, 11.0) | 6.8 (3.0, 11.0) | 8.7 (4.0, 11.0) | .5371 |
| Decision support | 6.5 (4.3, 11.0) | 6.5 (5.3, 11.0) | 7.8 (4.3, 9.5) | .8773 |
| Delivery system design | 6.6 (2.8, 10.4) | 5.9 (3.0, 10.4) | 6.6 (2.8, 9.6) | .6888 |
| Clinical information systems | 6.0 (0, 11) | 6.1 (0.0, 11.0) | 6.0 (3.8, 10.3) | .5377 |
| Integration of chronic care model | 6.0 (2.2, 10.7) | 6.1 (3.0, 10.7) | 6.0 (2.2, 9.8) | .7815 |
| Total ACIC score | 6.4 (3.8, 10.8) | 5.9 (4.0, 10.8) | (3.8, 9.4) | .4237 |
ACIC, Assessment of Chronic Illness Care; BP, blood pressure; SD, standard deviation.
↵* Patient information obtained from chart audits of electronic health records, with inclusion dates April 1, 2014 to March 31, 2015.
↵† 32 practices enrolled and 4 dropped out; 28 provided baseline characteristics; 23 provided ACIC scores.
↵‡ Practice Information Form completed by practice champions at first education meeting; ACIC surveys completed by practice champions after first education meeting.