Table 2—

Study population characteristics by quartiles of the simplified food pattern score at baseline (n = 880)

Quartiles of simplified food pattern score
P2 test for trend)
1234
Demographics and design characteristics
    Age (years)56.4 ± 8.455.4 ± 8.353.7 ± 8.253.2 ± 8.60.0001
    Male sex (%)42.338.642.349.10.1625
    Female sex (%)57.761.457.750.90.1625
    Non-Hispanic white (%)41.447.738.233.60.0221
    Non-Hispanic black (%)51.331.416.44.6<0.0001
    Hispanic (%)7.320.945.461.8<0.0001
    Normal glucose tolerance (%)66.862.768.667.70.5695
    IGT (%)33.237.331.432.30.5695
Biomarkers
    PAI-1 (ng/ml)15 ± 1522 ± 2824 ± 1828 ± 20<0.0001
    Fibrinogen (mg/dl)269 ± 52277 ± 60276 ± 56280 ± 560.2127
    BMI (kg/m2)*27.2 ± 4.328.6 ± 6.028.7 ± 5.829.3 ± 6.30.0025
    Waist circumference (cm)87.6 ± 11.490.3 ± 13.290.5 ± 12.392.8 ± 12.80.0004
    Fasting insulin (μU/ml)14 ± 1415 ± 1316 ± 1218 ± 20<0.0001
    SI (min−1)(μU−1)(ml−1)(10−4)2.5 ± 2.22.1 ± 1.82.2 ± 1.92.0 ± 1.80.0261
    AIR (μU/ml/min)57.5 ± 47.264.7 ± 52.670.1 ± 61.172.8 ± 64.80.0041
    Triglycerides (mmol/l)1.3 ± 0.81.5 ± 0.91.6 ± 1.11.6 ± 1.10.0006
    HDL cholesterol (mmol/l)1.3 ± 0.41.2 ± 0.41.2 ± 0.41.1 ± 0.3<0.0001
  • Data are % or means ± SD.

  • *

    * Sample size is n = 878.

  • Sample size is n = 831.