Table 1—

Prevalence of the metabolic syndrome among U.S. adults aged ≥20 years, NHANES 1999–2002

nNCEP definitionIDF definitionNCEP definition using IDF waist circumference criteriaIDF definition using NCEP waist circumference criteria
Total
    Unadjusted3,60134.5 ± 0.939.0 ± 1.140.3 ± 1.129.4 ± 0.9
    Age-adjusted3,60134.6 ± 0.939.1 ± 1.040.4 ± 1.129.5 ± 0.9
Men
    Unadjusted1,82533.7 ± 1.639.9 ± 1.741.9 ± 1.825.7 ± 1.5
    Age-adjusted1,82534.4 ± 1.540.7 ± 1.642.8 ± 1.726.3 ± 1.5
        20–29 years30514.9 ± 2.221.8 ± 2.722.2 ± 2.610.7 ± 2.2
        30–39 years31723.4 ± 2.827.0 ± 2.529.5 ± 2.916.4 ± 2.4
        40–49 years32037.0 ± 3.445.5 ± 4.547.3 ± 4.528.3 ± 3.1
        50–59 years25547.4 ± 3.653.4 ± 3.755.1 ± 3.937.7 ± 3.0
        60–69 years29351.6 ± 2.958.0 ± 2.960.6 ± 3.240.8 ± 2.7
        ≥70 years33546.6 ± 3.653.0 ± 2.957.3 ± 3.036.1 ± 3.2
Women
    Unadjusted1,77635.4 ± 1.238.1 ± 1.238.8 ± 1.233.0 ± 1.2
    Age-adjusted1,77634.5 ± 1.437.1 ± 1.337.7 ± 1.332.2 ± 1.3
        20–29 years25312.1 ± 2.614.6 ± 2.714.6 ± 2.712.1 ± 2.6
        30–39 years28723.3 ± 2.323.4 ± 2.324.6 ± 2.021.8 ± 2.5
        40–49 years33731.9 ± 3.333.3 ± 3.533.3 ± 3.529.8 ± 3.2
        50–59 years25242.9 ± 3.649.0 ± 3.649.1 ± 3.640.3 ± 3.8
        60–69 years31560.9 ± 2.762.6 ± 3.265.0 ± 2.755.0 ± 3.3
        ≥70 years33257.8 ± 3.763.2 ± 3.264.4 ± 3.454.1 ± 3.5
White men (total)
    Unadjusted94236.0 ± 1.942.6 ± 2.144.3 ± 2.228.7 ± 1.7
    Age-adjusted94235.4 ± 1.741.9 ± 1.943.7 ± 2.028.0 ± 1.6
        20–39 years25820.4 ± 3.025.3 ± 2.826.3 ± 3.015.2 ± 2.7
        40–59 years31642.8 ± 2.950.7 ± 3.452.3 ± 3.434.9 ± 2.9
        ≥60 years36849.9 ± 2.656.8 ± 2.460.2 ± 2.540.0 ± 2.5
African-American men (total)
    Unadjusted30321.6 ± 2.524.2 ± 2.725.1 ± 2.617.0 ± 2.6
    Age-adjusted30324.5 ± 2.427.1 ± 2.628.2 ± 2.519.2 ± 2.4
        20–39 years12510.9 ± 3.012.5 ± 3.012.5 ± 3.09.3 ± 2.8*
        40–59 years9825.9 ± 4.630.0 ± 4.930.7 ± 4.819.2 ± 4.5
        ≥60 years8046.7 ± 5.048.9 ± 5.552.9 ± 5.337.6 ± 4.5
Mexican-American men (total)
    Unadjusted45332.2 ± 3.642.3 ± 3.744.3 ± 3.720.5 ± 2.0
    Age-adjusted45340.3 ± 2.850.6 ± 2.952.7 ± 3.125.8 ± 1.6
        20–39 years18122.0 ± 4.531.6 ± 4.233.2 ± 4.314.0 ± 2.9
        40–59 years12547.2 ± 4.458.7 ± 5.961.5 ± 5.828.7 ± 4.2
        ≥60 years14761.2 ± 4.070.6 ± 3.372.9 ± 3.843.0 ± 4.2
White women (total)
    Unadjusted89233.7 ± 1.236.9 ± 1.437.5 ± 1.331.6 ± 1.3
    Age-adjusted89231.5 ± 1.434.4 ± 1.535.0 ± 1.429.5 ± 1.5
        20–39 years24116.5 ± 2.117.6 ± 2.318.6 ± 2.115.2 ± 2.3
        40–59 years28133.1 ± 2.637.1 ± 2.637.1 ± 2.631.6 ± 2.7
        ≥60 years37056.4 ± 2.560.9 ± 2.762.1 ± 2.552.5 ± 2.6
African-American women (total)
    Unadjusted32833.8 ± 2.535.8 ± 2.236.0 ± 2.233.4 ± 2.5
    Age-adjusted32836.4 ± 2.638.8 ± 2.439.0 ± 2.436.0 ± 2.7
        20–39 years12222.0 ± 3.923.7 ± 3.423.7 ± 3.422.0 ± 3.9
        40–59 years11237.4 ± 4.939.3 ± 4.339.3 ± 4.336.7 ± 4.9
        ≥60 years9457.4 ± 4.060.6 ± 3.961.8 ± 3.756.3 ± 4.2
Mexican-American women (total)
    Unadjusted43137.8 ± 3.239.2 ± 3.339.6 ± 3.335.5 ± 3.2
    Age-adjusted43144.0 ± 2.646.2 ± 2.546.7 ± 2.540.6 ± 2.6
        20–39 years13421.2 ± 4.421.2 ± 4.421.2 ± 4.421.2 ± 4.4
        40–59 years15251.3 ± 3.553.7 ± 3.354.4 ± 3.447.7 ± 3.5
        ≥60 years14573.8 ± 5.079.0 ± 5.380.4 ± 5.065.3 ± 5.3
  • Data are percent ± SE.

  • *

    * Estimate should be interpreted cautiously because the estimates does meet the criteria for reliability and precision.