TABLE 2.

Prevalence of IFG in Nondiabetic US adolescents aged 12 to 19 years, NHANES 1999–2000, by 2004 ADA Criteria

GroupPrevalence of IFG, % (SE; 95% CI)Adjusted*
Prevalence of IFG, % (SE; 95% CI) Model 1Prevalence of IFG, % (SE; 95% CI) Model 2
All7.0 (1.2; 4.9–9.8)
Age, y
    12–158.2 (2.0; 5–13.2)8.3 (2.0; 5.1–13.3)8.8 (2.0; 5.5–13.7)
    16–195.6 (1.5; 3.2–9.5)5.6 (2.0; 2.7–11.2)5.3 (1.0; 3.6–7.7)
Gender
    Girls4.0 (1.6; 1.8–8.8)4.2 (2.0; 1.6–10.6)4.0 (2.0; 1.4–10.6)
    Boys10.0 (1.9; 6.8–14.5)9.6 (2.0; 6.3–14.4)10.0 (2.0; 6.6–14.8)
Race/ethnicity
    Non-Hispanic white7.0 (1.8; 4.1–11.6)7.5 (2.0; 4.3–12.6)7.1 (2.0; 4.0–12.3)
    Non-Hispanic black4.2 (1.1; 2.5–7.1)3.8 (1.0; 2.2–6.4)4.0 (1.0; 2.4–6.6)
    Mexican Americans13.0 (2.1; 9.3–17.8)11.3 (2.0; 7.9–16.0)12.1 (2.0; 8.6–16.7)
BMI
    Normal5.4 (1.4; 3.2–9.0)5.5 (2.0; 2.6–11.2)
    At risk for overweight§2.8 (0.8; 1.6–4.9)2.7 (1.0; 1.3–5.6)
    Overweight17.8 (5.3; 9.5–30.9)17.0 (5.0; 9.1–29.4)
Waist-to-height ratio
    <95th percentile6.0 (1.1; 4.1–8.6)6.0 (1.0; 4.3–8.3)
    ≥95th percentile25.1 (11.2; 9.2–52.6)#26.4 (12.0; 9.4–55.3)**
  • * Adjusting for age, gender, race and BMI in model 1 and age, gender, race, and waist-to-height ratio in model 2 using predictive margins.

  • Includes other races not shown separately.

  • P < .05 for difference between these groups for comparison between the second and third groups.

  • § Percentage with BMI ≥85th and <95th percentile.

  • Percentage with BMI ≥95th percentile.

  • P < .05 for difference between these groups for comparison between the first and third groups.

  • # P < .01 for difference between these 2 groups.

  • ** P < .01 for difference between these 2 groups.