TABLE 1

Baseline characteristics of the subjects

Whites (n = 397)
Blacks (n = 143)
MenWomenMenWomen
Age (years)36.3 ± 15.134.2 ± 13.832.1 ± 10.532.2 ± 11.0
BMI (kg/m2)26.3 ± 4.624.8 ± 5.026.9 ± 4.928.2 ± 5.9
Body fat mass (%)22.5 ± 9.129.5 ± 9.722.9 ± 7.236.3 ± 8.5
Si (×10−4 min−1 per μU/ml)4.05 ± 2.734.99 ± 3.552.86 ± 2.502.79 ± 2.01
AIRg (μU/ml)71.8 ± 60.556.9 ± 38.2158.6 ± 147.1181.0 ± 180.5
Di (×10−4 min−1)227.4 ± 176.9236.1 ± 169.6330.8 ± 253.6375.1 ± 260.2
Kg (%/min)1.52 ± 0.561.73 ± 0.551.70 ± 0.641.97 ± 0.69
Sg (× min−1)0.015 ± 0.0090.018 ± 0.0110.020 ± 0.0150.022 ± 0.013
Fasting plasma glucose (mmol/l)5.2 ± 0.64.9 ± 0.55.2 ± 0.55.0 ± 0.6
Fasting plasma insulin (pmol/l)69.0 ± 51.655.2 ± 30.070.2 ± 57.085.2 ± 81.0
  • Data are means ± SD.