Table 1

Demographic and clinical characteristics for African Americans and Caucasians with type 2 diabetes

TotalAfrican AmericanCaucasianP*
n3,1481,7031,445
Age (years)61 ± 1060 ± 1062 ± 10<0.001
BMI (kg/m2)30 ± 5.630 ± 5.530 ± 5.70.27
Resting heart rate (beats/min)76 ± 1476 ± 1476 ± 140.82
Resting systolic blood pressure (mmHg)135 ± 21136 ± 22134 ± 210.1
Resting diastolic blood pressure (mmHg)80 ± 1281 ± 1278 ± 12<0.001
CVD (%)49.751.747.3<0.001
Smoking (%)4235.150.2<0.001
Hypertension (%)73.675.671.30.007
Family history of coronary heart disease14.812.318.8<0.001
Dyslipidemia (%)26.934.617.9<0.001
β-Blockers (%)18.313.124.4<0.001
Calcium channel blockers (%)21.420.622.40.23
ACE inhibitors (%)37.534.640.9<0.001
Diuretics (%)15.718.612.3<0.001
Aspirin (%)5.95.95.80.511
Statins (%)14.69.420.7<0.001
Insulin (%)30.733.722.8<0.001
Oral glycemic agents (%)34.233.236.80.13
Exercise data*
    Peak heart rate (beats/min)135 ± 25138 ± 25131 ± 25<0.001
    Peak systolic blood pressure (mmHg)183 ± 32188 ± 33176 ± 31<0.001
    Peak diastolic blood pressure (mmHg)86 ± 1689 ± 1682 ± 15<0.001
    Peak METs (3.5 ml O2 · kg−1 · min−1)6.4 ± 2.36.3 ± 2.06.5 ± 2.60.001
  • Data are means ± SD.

  • *P values represent comparisons between African Americans and Caucasians.