| Baseline (Median[range]) | Follow-up (Median[range]) | ||||||
---|---|---|---|---|---|---|---|---|
Characteristics | Intervention Centers (N = 6) | Comparison | Total | P-value* | Intervention Centers (N = 6) | Comparison Centers (N = 6) | Total | P-value* |
Centers (N = 6) | Centers (N = 12) | Centers (N = 12) | ||||||
Number of patient visits per full-time employee in 6-month period | 501 [333;511] | 443 [301;528] | 450 [301;528] | 0.20 | 918 [631;1114] | 841 [611;1000] | 841 [611;1114] | 0.42 |
Patient insurance status | ||||||||
 Medicaid patients (%) | 71 [59; 74] | 64 [55; 81] | 68 [55; 81] | 0.75 | 72 [60; 74] | 65 [56; 81] | 68 [56; 81] | 0.94 |
 Medicare patients (%) | 8 [4; 10] | 13 [9; 17] | 10 [4; 17] | 0.01 | 8 [5; 10] | 12 [8; 15] | 9 [5; 15] | 0.02 |
 Private insurance patients (%) | 10 [9; 12] | 12 [7; 20] | 11 [7; 20] | 0.42 | 11 [8; 12] | 12 [7; 18] | 11 [7; 18] | 0.26 |
 Uninsured patients (%) | 9 [3; 23] | 6 [2; 18] | 6 [2; 23] | 0.26 | 9 [3; 22] | 6 [2; 16] | 7 [2; 22] | 0.29 |
Patient race | ||||||||
 White patients (%) | 28 [13; 66] | 41 [27; 65] | 32 [13; 66] | 0.34 | 27 [13; 64] | 38 [25; 63] | 31 [13; 64] | 0.38 |
 Black patients (%) | 8 [7; 20] | 15 [2; 22] | 12 [2; 22] | 0.52 | 8 [5; 19] | 12 [2; 18] | 10 [2; 19] | 0.87 |
 Hispanic patients (%) | 49 [12; 64] | 34 [18; 58] | 43 [12; 64] | 0.26 | 50 [13; 64] | 34 [18; 59] | 43 [13; 64] | 0.30 |
 Other race patients (%) | 4 [2; 5] | 5 [4; 12] | 4 [2; 12] | 0.05 | 4 [2; 7] | 6 [3; 22] | 4 [2; 22] | 0.20 |
 Race unknown patients (%) | 4 [2; 10] | 2 [1; 11] | 4 [1; 11] | 0.19 | 5 [3; 10] | 4 [2; 12] | 4 [2; 12] | 0.51 |
Patients eligible for care coordination^ | 330 [114;1396] | 745 [162;1538] | 410 [114;1538] | 0.63 | . | . | . | . |
Productivity indicator | 1.21 [1.04;1.37] | 1.00 [0.96;1.19] | 1.12 [0.96;1.37] | 0.06 | 1.23 [1.02;1.28] | 1.05 [0.81;1.16] | 1.06 [0.81;1.28] | 0.07 |
Supervisor support for staff, indicative of work climate (staff reported, 1–4 scale)~ | 3.60 [2.96; 3.80] | 3.67 [3.49; 3.84] | 3.66 [2.96; 3.84] | 0.57 | 3.37 [3.23; 3.88] | 3.57 [3.23; 3.93] | 3.56 [3.23;3.93] | 0.57 |