Table 1

Physical and metabolic characteristics of participants categorized according to fasting glucose levels

FPGANOVA P value
≤90 mg/dl>90–<100 mg/dl≥100–<126 mg/dl
n4013647
Age (years)12.8 ± 0.412.9 ± 0.213.2 ± 0.30.69
Sex*0.18*
    Male11 (27.5)53 (39)22 (47)
    Female29 (72.5)83 (61)25 (53)
Race*0.98*
    African American16 (40)60 (44)22 (47)
    Caucasian23 (57.5)73 (54)24 (51)
    Biracial1 (2.5)3 (2.2)1 (2)
Tanner stage*0.052*
    I14 (35)25 (18.4)4 (8.5)
    II3 (7.5)19 (14)4 (8.5)
    III6 (15)28 (20.6)10 (21)
    IV4 (10)19 (14)13 (28)
    V13 (32.5)45 (33)16 (34)
Weight (kg)68.2 ± 5.773.0 ± 2.782.9 ± 3.90.08
Height (cm)154.2 ± 2.2156.4 ± 1.1160.5 ± 1.60.07
BMI (kg/m2)27.1 ± 1.728.6 ± 0.831.6 ± 1.20.07
BMI %76.2 ± 4.482.2 ± 2.192.5 ± 2.30.005
Fat mass (kg)24.1 ± 3.226.1 ± 1.632.2 ± 2.40.07
% body fat33.6 ± 2.534.0 ± 1.238.0 ± 1.80.21
Waist circumference (cm)85.9 ± 5.086.1 ± 2.494.7 ± 3.20.14
Waist circumference percentile0.16*
    <75th12 (40)34 (37.8)7 (20)
    75th–90th6 (20)12 (13.3)4 (11.4)
    >90th12 (40)44 (48.9)24 (68.6)
SAT (cm2)311.7 ± 44.3337.1 ± 22.3398.0 ± 32.80.25
VAT (cm2)49.8 ± 6.748.5 ± 3.656.9 ± 5.10.47
Glucose (mg/dl)87.6 ± 0.394.9 ± 0.2105.0 ± 0.6<0.001
Insulin (μU/ml)28.1 ± 4.230.5 ± 1.740.2 ± 3.60.02
A1C (%)5.3 ± 0.085.3 ± 0.045.4 ± 0.070.56
Cholesterol (mg/dl)160.8 ± 5.7164.8 ± 2.4165.3 ± 5.20.75
LDL (mg/dl)90.1 ± 5.798.6 ± 2.1100.4 ± 5.20.2
HDL (mg/dl)47.0 ± 1.745.8 ± 0.942.4 ± 1.80.11
Triglycerides (mg/dl)116.9 ± 11.5102.4 ± 4.6114.8 ± 10.80.29
VLDL (mg/dl)23.4 ± 2.320.3 ± 0.921.6 ± 1.80.3
  • Data are unadjusted means ± SEM or n (%). Ten subjects with FPG ≤90 mg/dl, 46 subjects with FPG >90–<100 mg/dl, and 12 subjects with FPG >100–<126 mg/dl did not have waist circumference data because this measurement was implemented late in the course of the grant project.

  • 2 analysis.