Table 2—

Racial and ethnic differences in A1C in a multiple-regression model adjusting for the effects of other covariates on A1C

ParameterEstimateSEPType II semipartial R2
Race (vs. white)
    Black0.4040.0205<0.00010.0811
    Hispanic0.1490.0220<0.00010.00959
    American Indian0.2060.0374<0.00010.00630
    Asian0.3430.0376<0.00010.0173
Age at randomization0.01050.000833<0.00010.0328
Sex (female vs. male)0.07860.02240.00050.00256
Systolic blood pressure−0.001460.0007000.03710.00091
Diastolic blood pressure0.003570.001050.00070.00239
BMI0.005270.002340.02400.00106
Fasting glucose0.2590.0205<0.00010.0335
Glucose AUC0.02450.01120.02860.00010
CIR−0.06410.02310.00550.00160
Insulin resistance (HOMA-IR)0.005430.002420.02510.00104
  • Data are also adjusted for education, marital status, waist circumference, and hematocrit; all not significant at 0.05 level.