TABLE 3.

Changes in Unadjusted Means of Risk Factors for Cardiovascular Disease Among US Youths, According to Age

NHANES IIINHANES 1999–2000Change, %Absolute DifferenceP
NMeanSENMeanSE
Waist, cm
    2 y110448.00.121048.30.40.60.3.484
    3 y105049.90.316150.70.41.50.8.145
    4 y107251.80.317652.40.41.10.6.275
    5 y103253.30.214854.10.81.70.9.264
    6 y53155.30.516455.00.8−0.6−0.3.752
    7 y53458.10.517759.30.82.01.2.228
    8 y50459.40.518662.41.15.13.0.016
    9 y54863.30.815966.61.45.13.2.045
    10 y53965.30.817367.31.13.12.0.141
    11 y55368.50.817970.01.12.21.5.273
    12 y41870.80.831473.71.24.12.9.052
    13 y41273.50.931376.81.54.53.3.059
    14 y40076.61.529379.21.33.42.6.189
    15 y36576.80.926480.21.24.43.4.026
    16 y41177.90.929481.61.44.73.7.030
    17 y39279.80.827081.01.11.51.2.371
    2–17 y986564.20.4348166.20.53.12.0.001
Systolic blood pressure, mm Hg
    8 y49596.30.817999.61.03.43.3.011
    9 y54298.40.8153102.11.13.73.6.010
    10 y53499.80.7165103.30.93.53.5.005
    11 y546102.10.5173103.81.11.61.6.183
    12 y410102.10.9313104.10.92.02.0.122
    13 y399106.60.8311106.40.7−0.2−0.2.851
    14 y387106.60.8291107.90.81.31.3.244
    15 y356107.41.1264109.11.01.61.7.240
    16 y393108.80.9292110.80.81.92.1.084
    17 y401109.50.6269111.50.91.82.0.071
    8–17 y4463103.70.32410105.90.32.12.2<.001
Cholesterol, mg/dL
    4 y865162.01.4130160.12.7−1.2−1.9.539
    5 y842162.61.3109169.13.04.06.5.053
    6 y450163.01.8126161.43.8−1.0−1.6.705
    7 y472164.11.8145164.54.80.30.5.927
    8 y445171.81.9144171.84.40.00.1.992
    9 y495173.41.9133168.23.4−3.0−5.2.186
    10 y482170.32.1151175.54.03.15.2.252
    11 y511168.12.1155167.03.8−0.7−1.1.799
    12 y393164.52.5288159.52.6−3.1−5.0.170
    13 y379158.72.0281161.62.61.82.9.380
    14 y381160.02.5269158.03.0−1.3−2.0.600
    15 y349160.22.8240161.03.50.50.8.859
    16 y390157.22.7279157.73.10.40.6.888
    17 y375160.52.2251160.42.4−0.1−0.1.965
    4–17 y6829164.00.72701163.61.1−0.2−0.4.755
High-density lipoprotein cholesterol, mg/dL
    4 y85948.50.713050.71.24.62.2.103
    5 y83849.00.610852.41.67.03.4.058
    6 y44850.91.012650.71.6−0.4−0.2.909
    7 y47051.40.914551.41.60.00.0.998
    8 y44452.71.014451.82.0−1.6−0.8.700
    9 y49153.60.713351.21.6−4.5−2.4.175
    10 y48053.31.115149.81.5−6.6−3.5.071
    11 y50850.10.715452.01.13.71.9.149
    12 y39351.01.128850.61.3−0.8−0.4.813
    13 y37849.00.728150.01.02.01.0.417
    14 y37648.91.026948.91.1−0.1−0.1.973
    15 y34749.81.024046.61.5−6.4−3.2.088
    16 y38948.51.127846.90.9−3.5−1.7.252
    17 y37348.20.825149.51.22.71.3.359
    4–17 y679450.30.4269850.10.4−0.5−0.3.650
Low-density lipoprotein cholesterol, mg/dL
    12 y13095.14.113187.53.8−8.0−7.6.179
    13 y14193.63.713894.22.80.60.6.901
    14 y14188.24.811094.13.16.75.9.311
    15 y13988.32.89590.63.12.62.3.588
    16 y15697.53.211888.32.8−9.4−9.1.037
    17 y14392.23.710990.93.3−1.4−1.3.800
    12–17 y85092.51.370190.91.4−1.7−1.6.418
Triglycerides, mg/dL
    12 y13289.38.913177.14.3−13.7−12.3.223
    13 y143104.18.813977.33.4−25.7−26.7.006
    14 y14591.88.511089.010.5−3.1−2.8.836
    15 y14080.04.49881.66.12.01.6.833
    16 y15782.25.312081.35.2−1.1−0.9.904
    17 y14493.97.710983.57.6−11.1−10.4.340
    12–17 y86190.23.170781.42.7−9.8−8.8.036
Glucose, mg/dL
    12 y12590.31.213187.61.0−3.0−2.7.093
    13 y14291.91.013985.30.7−7.1−6.6<.001
    14 y14288.21.111090.73.72.82.5.518
    15 y13988.51.19885.71.1−3.1−2.8.074
    16 y15387.80.912086.01.2−2.1−1.9.229
    17 y14189.21.710984.80.8−4.9−4.4.022
    12–17 y84289.20.670786.70.7−2.8−2.5.015
Glycosylated hemoglobin, %
    12 y3965.050.032935.080.040.70.03.496
    13 y3905.030.032875.080.030.90.04.321
    14 y3835.030.042705.070.050.90.04.451
    15 y3575.010.042425.080.031.40.07.149
    16 y3945.020.052815.070.030.90.05.401
    17 y3814.980.042595.210.244.70.23.338
    12–17 y23015.020.0216325.100.041.60.08.122