Table 1—

Components of the four measured variables for the one-factor model by sex and race among U.S. adolescents aged 12–17 years using the 1999–2002 National Health and Nutrition Examination Survey

Correlation coefficient (r)*
Means ± SDWaist circumferenceTriglyceridesFasting insulinSBP
Total (n = 1,262)
    Waist circumference79.75 ± 14.181.00
    Triglycerides0.97 ± 0.580.341.00
    Fasting insulin81.96 ± 54.240.590.391.00
    SBP109.16 ± 10.400.380.130.291.00
Caucasian boys (n = 182)
    Waist circumference79.60 ± 14.771.00
    Triglycerides1.09 ± 0.680.451.00
    Fasting insulin70.56 ± 47.840.640.461.00
    SBP110.27 ± 11.580.500.330.451.00
AA boys (n = 213)
    Waist circumference78.28 ±15.541.00
    Triglycerides0.79 ± 0.370.331.00
    Fasting insulin76.87 ± 44.020.630.401.00
    SBP113.68 ± 10.930.420.130.311.00
MA boys (n = 251)
    Waist circumference82.74 ± 14.771.00
    Triglycerides1.06 ± 0.660.471.00
    Fasting insulin86.35 ± 64.050.680.541.00
    SBP111.47 ± 9.870.340.200.321.00
Caucasian girls (n = 189)
    Waist circumference76.70 ± 10.891.00
    Triglycerides0.99 ± 0.440.111.00
    Fasting insulin72.43 ± 39.910.460.281.00
    SBP105.30 ± 9.320.320.02§0.271.00
AA girls (n = 175)
    Waist circumference80.27 ± 15.251.00
    Triglycerides0.78 ± 0.410.221.00
    Fasting insulin98.45 ± 67.050.520.341.00
    SBP107.97 ± 9.210.380.050.201.00
MA girls (n = 252)
    Waist circumference80.06 ± 2.821.00
    Triglycerides1.04 ± 0.690.381.00
    Fasting insulin85.83 ± 51.880.580.471.00
    SBP105.96 ± 8.890.350.220.361.00
  • For waist circumference, triglycerides, fasting insulin, and blood pressure, the units are cm, mmol/l, pmol/l, and mmHg, respectively.

  • *

    * Statistically significant at α = 0.001 unless otherwise noted.

  • P = 0.05;

  • P = 0.002;

  • §

    § P = 0.82;

  • P = 0.48. AA, African American; MA, Mexican American.