Table 2—

Tests of equality for the factor loading of each measured variable between racial/ethnical groups by sex among U.S. adolescents aged 12–17 years using the 1999–2002 National Health and Nutrition Examination Survey

Comparing groupWith equality constrains
With free parameters
χ2 difference test*
χ2dfχ2dfΔχ2dfP
Total
    AA vs. Caucasian
        Overall19.83914.1065.7330.13
        Waist circumference19.31715.3863.9310.05
        Triglycerides19.31718.4360.8810.35
        Fasting insulin19.31719.2860.0210.88
        SBP19.31715.5663.7510.05
    MA vs. Caucasian
        Overall21.00914.1066.8930.08
        Waist circumference9.8279.8060.0210.89
        Triglycerides9.8277.3462.4910.11
        Fasting insulin9.8279.7660.0610.80
        SBP9.8274.9964.8410.03
    AA vs. MA
        Overall23.82914.1069.7230.02
        Waist circumference21.42716.7364.6910.03
        Triglycerides21.42713.3868.041<0.01
        Fasting insulin21.42721.3560.0710.79
        SBP21.42721.4260.0011.00
        Boys
    AA vs. Caucasian
        Overall8.8794.1664.7130.19
        Waist circumference8.5177.5960.9210.34
        Triglycerides8.5175.8562.6610.10
        Fasting insulin8.5177.1961.3210.25
        SBP8.5176.9061.6010.21
    MA vs. Caucasian
        Overall13.8294.1669.6630.02
        Waist circumference10.2779.6560.6210.43
        Triglycerides10.27710.2560.0210.88
        Fasting insulin10.2775.6464.6310.03
        SBP10.2773.3166.961<0.01
    AA vs. MA
        Overall10.0394.1665.8730.12
        Waist circumference9.7977.4862.3110.13
        Triglycerides9.7976.1763.6110.06
        Fasting insulin9.7979.5960.2010.66
        SBP9.7978.9160.8810.35
Girls
    AA vs. Caucasian
        Overall19.00914.8964.1130.25
        Waist circumference18.60715.2863.3310.07
        Triglycerides18.60718.1260.4910.49
        Fasting insulin18.60717.3161.2910.26
        SBP18.60716.5562.0510.15
    MA vs. Caucasian
        Overall21.15914.8966.2730.10
        Waist circumference12.95712.8560.1010.75
        Triglycerides12.9577.5665.3910.02
        Fasting insulin12.9579.6963.2610.07
        SBP12.95712.4260.5310.47
    AA vs. MA
        Overall20.14914.8965.2530.15
        Waist circumference13.85710.8662.9910.08
        Triglycerides13.85710.4863.3710.07
        Fasting insulin13.85713.4960.3610.55
        SBP13.85713.1060.7510.39
  • *

    * Δχ2 difference is the χ2 value in the model with equality constrains subtracts χ2 value in the model with free parameters. AA, African American; MA, Mexican American.