Table 1—

Unadjusted prevalence of IFG, IGT, and pre-diabetes among nondiabetic U.S. adolescents aged 12–19 years, NHANES 2005–2006

nIFGIGTPre-diabetes
n9923117
All*77713.1 ± 1.93.4 ± 1.016.1 ± 2.4
Sex
    Female (nonpregnant only)3815.9 ± 1.64.4 ± 2.09.5 ± 3.0
    Male39620.0 ± 2.32.5 ± 1.222.4 ± 2.2
Race/ethnicity
    Non-Hispanic white18914.1 ± 2.43.7 ± 1.317.2 ± 2.8
    Non-Hispanic black2579.7 ± 1.60.9 ± 0.610.3 ± 1.6
    Mexican American27714.3 ± 2.73.5 ± 1.016.9 ± 2.8
Age (years)
    12–1538815.8 ± 3.25.7 ± 1.920.6 ± 3.6
    16–1938910.6 ± 2.01.3 ± 0.911.8 ± 2.1
Weight status
    Normal4789.9 ± 2.11.6 ± 0.911.6 ± 1.9
    At risk for overweight13414.9 ± 5.73.6 ± 1.818.3 ± 5.6
    Overweight§16522.7 ± 7.59.5 ± 3.230.0 ± 7.5
Hyperinsulinemia
    No5347.9 ± 1.61.2 ± 0.79.2 ± 1.8
    Yes23628.5 ± 5.39.9 ± 3.236.7 ± 6.6
HOMA-IR
    No5337.5 ± 1.61.7 ± 0.89.1 ± 1.6
    Yes23730.2 ± 5.88.7 ± 2.737.1 ± 6.4
  • Data are mean percentages ± SE.

  • *

    * Including non-Hispanic whites, non-Hispanic blacks, Mexican Americans, and other race/ethnicity.

  • Does not meet the standard of statistical reliability and precision (i.e., relative SE >30%).

  • Defined as 85th ≤ BMI <95th percentile. Defined as a BMI ≥95th percentile.

  • Defined as >75th percentile of fasting insulin (82.5 pmol/l or 13.8 μU/ml) by the Mercodia method. To convert fasting insulin (FI) between the Mercodia and the Tosoh methods, use the following formula: FI (Tosoh) = 1.0526 × FI (Mercodia) − 1.5674. To convert picomoles per liter to microunits per milliliter, divide by 6.