Table 2

Diabetes Quality Measures Over Time by Group

Quality MeasureRAPCQISDDifferential Change Over TimeP Value
Total process of care scorea
 Baseline4.543.583.63Overall: F4,2386 = 10.70<.0001
 9 months4.694.914.04RAP × SD: F2,1838 = 3.65.03
 18 months4.854.914.39CQI × SD: F2,1475 = 9.99<.0001
bccCQI × RAP: F2,1455 = 19.27<.0001
HbA1c level checked, %
 Baseline85.869.977.6Overall: F4,1568 = 0.49.09
 9 months91.792.388.2RAP × SD: F2,1208 = 0.14.87
 18 months93.791.089.3CQI × SD: F2,968 = 2.98.051
cccCQI × RAP: F2,957 = 3.35.04
Feet checked, %
 Baseline43.534.135.1Overall: F4,1568 = 2.98.02
 9 months57.960.841.5RAP × SD: F2,1208 = 14.86.34
 18 months60.268.752.2CQI × SD: F2,968 = 4.80.009
cccCQI × RAP: F2,957 = 3.57.03
Blood pressure checked, %
 Baseline92.184.286.5Overall: F4,1567 = 0.34.85
 9 months99.599.698.8RAP × SD: F2,1207 = 0.03.97
 18 months99.799.199.5CQI × SD: F2,967 = 0.66.51
cccCQI × RAP: F2,957 = 0.38.68
Dilated eye examination, %
 Baseline16.18.56.0Overall: F4,1567 = 2.35.052
 9 months16.018.15.3RAP × SD: F2,1207 = 1.23.29
 18 months22.418.112.6CQI × SD: F2,967 = 3.39.03
dccCQI × RAP: F2,957 = 2.66.07
Cholesterol checked, %
 Baseline81.761.871.4Overall: F4,1567 = 6.11<.0001
 9 months78.886.479.5RAP × SD: F2,1207 = 3.64.03
 18 months79.979.581.1CQI × SD: F2,967 = 4.21.02
ccCQI × RAP: F2,957 = 11.78<.0001
Nephropathy screening, %
 Baseline38.118.724.4Overall: F4,1567 = 2.04.09
 9 months33.127.720.2RAP × SD: F2,1207 = 0.30.74
 18 months33.626.923.8CQI × SD: F2,967 = 2.90.056
dCQI × RAP: F2,957 = 3.44.03
Influenza vaccination, %
 Baseline27.728.718.0Overall: F4,1567 = 3.01.02
 9 months29.645.321.8RAP × SD: F2,1207 = 3.96.02
 18 months25.944.330.0CQI × SD: F2,967 = 1.52.22
ccCQI × RAP: F2,957 = 3.30.04
Nutrition counseling, %
 Baseline38.016.721.3Overall: F5,1567 = 2.61.03
 9 months32.426.124.1RAP × SD: F2,1207 = 1.62.19
 18 months38.129.620.8CQI × SD: F2,967 = 2.76.06
bCQI × RAP: F2,957 = 3.86.02
Self-management support, %
 Baseline20.422.212.9Overall: F4,1567 = 1.09.36
 9 months18.824.414.2RAP × SD: F2,1207 = 1.57.21
 18 months21.424.221.0CQI × SD: F2,967 = 1.35.26
bCQI × RAP: F2,957 = 0.23.79
  • CQI = Continuous Quality Improvement; HbA1c = hemoglobin A1c; RAP = Reflective Adaptive Process; SD = self-directed.

  • Note: Data are from chart audits. All measures pertain to whether care was provided in past 12 months.

  • a Possible scores ranged from 0 to 9, with higher scores indicating better quality of diabetes care.

  • b P <.05 within-group change.

  • c P <.01 within-group change.

  • d P <.10 within-group change.