TABLE 2

Univariate correlations between age, insulin sensitivity index, and selected variables

VariableAge
Insulin sensitivity
WomenMenWomenMen
Abdominal fat, total (cm2)0.41*0.38*−0.62*−0.67*
Abdominal fat, visceral (cm2)0.51*0.41*−0.61*−0.58*
Abdominal fat, subcutaneous (cm2)0.280.22−0.56*−0.57*
Waist circumference (cm)0.42*0.39*−0.59*−0.43*
Total body fat (%)0.44*0.32*−0.43*−0.28
Total body FFM (kg)−0.32*−0.35*−0.16−0.21
BMI (kg/m2)0.35*0.25−0.43*−0.55*
Total cholesterol (mmol/l)0.57*0.36*−0.26−0.36*
Triglycerides (mg/dl)0.47*0.27−0.36*−0.59*
Insulin (pmol/l)0.37*0.02−0.55*−0.60*
Glucose (mmol/l)0.49*0.42*−0.25−0.40*
Nonesterified fatty acids (μmol/l)0.280.38*0.03−0.30
Vo2peak (ml · kg−1 FFM · min−1)−0.84*−0.82*0.44*0.31*
Citrate synthase (units/min)−0.37*0.030.36*0.51*
Cytochrome c oxidase (units/min)−0.46*−0.36*0.310.37*
COX4 mRNA (arbitrary units)−0.32*−0.45*−0.030.23
ND4 mRNA (arbitrary units)−0.45*−0.50*0.180.20
GLUT4 mRNA (arbitrary units)0.290.040.070.29
  • *

    * P < 0.025.