Table 1.
Characteristics of Study Subjects at Enrollment
| Characteristic | European American | African American | P Value |
|---|---|---|---|
| Number | 151 | 192 | |
| Age (y) | 47 ± 10 | 43 ± 10 | 0.0007 |
| Pre-/postmenopause weight (kg) |
54/49 81 ± 21 |
95/45 88 ± 22 |
0.0147 0.004 |
| FPG (mg/dL) | 93.1 ± 6.4 | 91.0 ± 6.8 | 0.003 |
| 2hrPG (mg/dL) | 125 ± 24 | 124 ± 28 | 0.7203 |
| HbA1c (%) | 5.4 ± 0.4% | 5.7±0.5% | <0.001 |
| BMI (kg/m2) | 28.7 ± 6.7 | 31.3 ± 7.5 | 0.0008 |
| Waist circumference(cm) | 93 ± 15 | 96 ± 16 | 0.09 |
Values are means ± SD. To convert plasma glucose from mg/dL to mmol/L, divide by 18.
Abbreviations: 2hrPG, 2-hour postchallenge plasma glucose; BMI, body mass index; FPG, fasting plasma glucose.