Table 2: Quality of Care by Insurance TypeAfter Policy Change vs. Before Policy Change.
| Outcome Variable | Insurance Type† | Baseline average(std dev) | End of study average (std dev) | Interaction‡ (std dev) | p value |
| Hemoglobin A1c (HbA1c) | Commercial | 7.8 (2.1) | 8.1 (1.9) | n/a | n/a |
| Indigent | 8.4 (2.3) | 8.1 (1.9) | -0.4126 (0.19) | 0.0294§ |
| Medicaid | 9.0 (2.6) | 8.0 (2.3) | -0.5670 (0.36) | 0.1192 |
| Medicare | 7.7 (2.0) | 7.5 (1.5) | -0.2915 (0.16) | 0.0647§ |
| Self Pay | 8.8 (2.5) | 8.4 (2.2) | -0.5460 (0.45) | 0.2252 |
| Systolic Blood Pressure (SBP) | Commercial | 134.5 (15.3) | 135.5 (122.3) | n/a | n/a |
| Indigent | 136.6 (16.6) | 134.7 (17.1) | -3.2704 (1.49) | 0.0279§ |
| Medicaid | 137.4 (20.3) | 133.9 (19.4) | -1.8450 (2.77) | 0.5055 |
| Medicare | 140.4 (16.7) | 136.9 (17.7) | -4.2867 (1.37) | 0.0018§ |
| Self Pay | 134.0 (20.0) | 129.6 (21.0) | -4.1499 (3.34) | 0.2145 |
| Low Density Lipoprotein (LDL) | Commercial | 113.1 (35.3) | 107.6 (33.6) | n/a | n/a |
| Indigent | 116.1 (38.4) | 110.0 (38.1) | -0.9844 (3.79) | 0.7952 |
| Medicaid | 110.1 (31.0) | 100.1 (29.9) | 0.3878 (6.94) | 0.9555 |
| Medicare | 110.0 (32.5) | 103.8 (33.3) | -0.0363 (3.16) | 0.9909 |
| Self Pay | 103.4 (29.9) | 91.8 (30.9) | -2.8859 (8.14) | 0.7231 |