Table 2—

Unadjusted and age-adjusted prevalence (%) of the metabolic syndrome among U.S. adults aged ≥20 years: NHANES III (1988–1994) and NHANES 1999–2000

n
Original NCEP/ATP III definition
Revised NCEP/ATP III definition
NHANES IIINHANES 1999–2000NHANES IIINHANES 1999–2000Relative change (%)Absolute difference (%)PNHANES IIINHANES 1999–2000Relative change (%)Absolute difference (%)P
Total
    Unadjusted6,4361,67723.1 (0.9)26.7 (1.5)15.73.60.04328.0 (1.1)31.9 (1.5)13.83.90.041
    Age adjusted6,4361,67724.1 (0.8)27.0 (1.5)12.12.90.08829.2 (0.9)32.3 (1.5)10.93.20.072
Men
    Total
        Unadjusted3,06984122.9 (1.4)24.1 (2.1)5.41.20.62529.3 (1.6)30.6 (2.1)4.21.20.648
        Age adjusted3,06984124.6 (1.4)25.2 (2.1)2.20.50.83131.4 (1.4)31.8 (2.2)1.40.40.866
    20–39 years1,21828310.2 (1.7)10.7 (1.9)4.40.40.85815.7 (2.1)16.5 (2.5)4.90.80.815
    40–59 years84123429.3 (2.4)33.0 (3.8)12.93.80.39936.3 (2.3)40.3 (4.4)10.94.00.426
    ≥60 years1,01032442.6 (2.4)39.7 (4.3)−6.8−2.90.56050.5 (2.3)46.4 (4.3)−8.2−4.10.404
Women
    Total
        Unadjusted3,36783623.3 (1.3)29.3 (2.0)25.86.00.01626.8 (1.4)33.2 (1.9)24.06.40.010
        Age adjusted3,36783623.5 (1.1)29.0 (2.0)23.55.50.02127.0 (1.2)32.9 (2.0)21.85.90.014
    20–39 years1,4302509.7 (1.6)18.0 (2.8)86.18.30.01310.8 (1.7)19.1 (2.9)76.78.30.018
    40–59 years94928126.0 (2.3)30.6 (3.8)17.84.60.30330.5 (2.3)33.8 (3.8)10.93.30.459
    ≥60 years98830543.9 (2.0)46.1 (3.7)5.02.20.60150.3 (2.2)56.0 (4.0)11.35.70.214
  • Data are percent (SE).