TABLE 2

Distribution of BMI and Selected CVD Risk Factors Over Time Among US Adolescents, NHANES 1999–2008 (N = 3383)

Risk Factor1999–2000 n = 788 % (SE)2001–2002 n = 797 % (SE)2003–2004 n = 744 % (SE)2005–2006 n = 692 % (SE)2007–2008 n = 362 % (SE)
BMIa
 Overweight15 (1.54)14 (1.78)17 (2.02)16 (1.69)15 (2.81)
 Obese18 (2.66)16 (1.21)19 (3.01)19 (3.09)20 (2.99)
Blood pressureb
 Prehypertensive12 (1.53)11 (1.64)10 (1.35)12 (1.71)10 (1.82)
 Hypertensive5 (0.89)4 (0.97)3 (0.74)4 (1.38)3 (0.91)
LDL-Cc
 Borderline-high14 (2.44)18 (2.34)13 (1.43)15 (2.03)13 (2.58)
 High9 (1.67)9 (2.13)6 (1.06)7 (1.48)6 (1.26)
HDL-Cd
 Low9 (1.47)8 (0.94)6 (1.42)3 (1.41)*3 (0.79)*
Fasting blood glucosee
Prediabetes and Diabetes9 (1.79)15 (1.83)*13 (1.99)16 (1.87)*23 (2.56)*
  • a Based on the 2000 Centers for Disease Control gender-specific growth charts for the United States. Available at www.cdc.gov/growthcharts. Overweight and obesity are defined as having a BMI >85th to <95th percentile or >95th percentile, respectively. Normal wt was defined as having an age- and gender-specific BMI >5th to <85th percentile.

  • b Blood pressure (for ages 12–17 y prehypertensive = systolic blood pressure (SBP) or diastolic (DBP) blood pressure ≥90th percentile to <95th percentile, and hypertensive = SBP or DBP ≥95th percentile; for ages 18 to 19 y prehypertension = SBP ≥120 mm Hg to ≤139 mm Hg or DBP ≥80 mm Hg to ≤89 mm Hg and hypertensive = SBP ≥140 mm Hg or DBP ≥90 mm Hg).

  • c Low-density lipoprotein cholesterol (high = LDL-C ≥130 mg/dL).

  • d High-density lipoprotein cholesterol (low = HDL-C <35 mg/dL).

  • e Fasting blood glucose >99 mg/dL or reported physician diagnosis as a patient with diabetes.

  • * P < .05.