Table 3—

Effects on attainment of ADA goals for A1C (<7%), sBP (<130 mm Hg), and LDL cholesterol (<100 mg/dl): logistic regression analysis (based on GEE) that considered nesting of randomized controlled trial patients at both the clinic and physician level

VariableOdds ratio95% CI
P
A1C goal
    Age (10-year increments)1.20681.15331.2628<0.001
    BMI (10-kg/m2 increments)0.88660.83660.9396<0.001
    Length of disease (10-year increments)0.76610.72770.8066<0.001
    Female sex0.91650.82221.02170.116
    African American0.91330.73671.13230.408
    Medical clinic visits0.99300.98361.00250.147
    Diabetes clinic visits1.02701.01401.0402<0.001
    Baseline A1C (1% increments)0.49340.46530.5232<0.001
    Length of follow-up (1-year increments)1.15711.10421.2126<0.001
    Reminders0.97970.85821.11850.762
    Feedback1.17621.03111.34160.016
    Reminders × feedback (interaction term)0.99000.82251.19170.916
sBP goal
    Age (10-year increments)0.83870.81010.8682<0.001
    BMI (10-kg/m2 increments)0.83680.79910.8762<0.001
    Length of disease (10-year increments)0.91420.87810.9518<0.001
    Female sex0.94110.86691.02170.148
    African American0.65850.56210.7715<0.001
    Medical clinic visits0.98850.98080.99620.003
    Diabetes clinic visits1.06781.05801.0778<0.001
    Baseline sBP (10-mmHg increments)0.74990.73530.7648<0.001
    Length of follow-up (1-year increments)1.11191.06691.1587<0.001
    Reminders1.04260.93781.15920.440
    Feedback1.18851.07231.31740.001
    Reminders × feedback (interaction term)0.91790.79461.06020.244
LDL goal
    Age (10-year increments)1.07661.02231.13390.005
    BMI (10-kg/m2 increments)0.98150.91521.05260.602
    Length of disease (10-year increments)1.01910.95621.08620.560
    Female sex0.76200.67160.8646<0.001
    African American0.83400.64731.07460.160
    Medical clinic visits1.02391.01131.0366<0.001
    Diabetes clinic visits1.04321.02601.0607<0.001
    Baseline LDL (10-mg/dl increments)0.69240.67520.7099<0.001
    Length of follow-up (1-year increments)1.39421.31681.4761<0.001
    Reminders0.92090.78511.08020.311
    Feedback0.95780.81901.12010.589
    Reminders × feedback (interaction term)1.04760.83731.31070.684