TABLE 5.

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

NHANES IIINHANES 1999–2000Change, %Absolute DifferenceP
NMeanSENMeanSE
Waist, cm
    2 y54448.10.29748.50.70.80.4.585
    3 y56249.90.36750.00.50.20.1.865
    4 y52752.10.68452.00.7−0.2−0.1.914
    5 y54153.50.38954.61.32.11.1.414
    6 y27254.40.77155.11.21.30.7.617
    7 y26357.90.97958.11.30.30.2.900
    8 y24559.40.78661.81.94.02.4.242
    9 y26963.21.08366.31.94.93.1.155
    10 y25264.51.38366.41.42.91.9.325
    11 y28068.41.29671.81.75.03.4.109
    12 y21569.11.215874.01.37.14.9.008
    13 y22474.01.515479.71.97.75.7.023
    14 y21975.61.115779.41.55.03.8.046
    15 y18775.21.012379.82.06.14.6.045
    16 y21877.11.314181.22.15.34.1.103
    17 y20478.71.012477.31.1−1.8−1.4.351
    2–17 y502263.80.5169266.20.63.82.4.003
Systolic blood pressure, mm Hg
    8 y23996.60.98698.21.21.61.5.318
    9 y26697.71.178101.21.73.63.5.084
    10 y252100.81.181103.11.42.22.2.216
    11 y276102.00.994101.91.7−0.1−0.1.954
    12 y213100.80.9156105.01.34.14.2.011
    13 y216104.21.0152106.50.92.22.3.092
    14 y213103.71.0155106.21.42.42.5.154
    15 y183103.51.6125106.41.32.82.9.159
    16 y207105.21.2140108.91.13.53.7.026
    17 y212105.30.9126106.71.21.31.3.364
    8–17 y2277102.00.41193104.50.52.42.5<.001
Cholesterol, mg/dL
    4 y427165.52.158162.94.3−1.6−2.6.591
    5 y434162.71.659165.24.11.52.5.581
    6 y228163.93.252162.34.8−1.0−1.6.777
    7 y228163.62.765173.15.15.89.5.107
    8 y216171.32.167185.810.18.514.6.163
    9 y245174.73.073175.03.30.20.3.950
    10 y232168.52.972170.85.21.42.4.693
    11 y254162.52.982166.95.82.74.4.502
    12 y203166.03.3140160.93.5−3.1−5.1.288
    13 y205159.62.6135160.84.30.71.1.822
    14 y210162.93.5144157.33.1−3.4−5.6.233
    15 y181167.43.2114165.95.8−0.9−1.5.819
    16 y214163.03.7133160.45.0−1.6−2.6.673
    17 y199164.93.2116159.83.9−3.1−5.0.328
    8–17 y3476165.50.81310165.81.80.20.3.890
High-density lipoprotein cholesterol, mg/dL
    4 y42147.50.95849.82.15.02.4.304
    5 y43147.80.75852.21.99.14.4.036
    6 y22750.21.85251.62.12.81.4.621
    7 y22749.61.26548.51.7−2.3−1.1.584
    8 y21651.61.06751.64.1−0.10.0.994
    9 y24351.90.97351.91.9−0.1−0.1.979
    10 y23050.71.47248.72.6−4.0−2.0.492
    11 y25449.11.08251.11.64.22.1.287
    12 y20350.91.714051.81.31.91.0.648
    13 y20550.31.113550.81.11.10.5.731
    14 y20851.81.214450.71.4−2.2−1.2.526
    15 y18151.61.311450.82.4−1.5−0.7.782
    16 y21351.30.913348.91.4−4.6−2.4.156
    17 y19951.81.211652.71.71.91.0.637
    4–17 y345850.50.5130950.70.50.50.2.717
Low-density lipoprotein cholesterol, mg/dL
    12 y63106.54.66885.25.1−20.0−21.3.003
    13 y7793.04.26394.45.11.51.4.832
    14 y9191.56.96391.93.70.40.4.963
    15 y7292.23.54690.65.1−1.7−1.6.795
    16 y101102.33.85286.65.4−15.3−15.7.021
    17 y7790.54.34587.55.0−3.4−3.1.645
    12–17 y48195.31.833789.32.1−6.2−5.9.037
Triglycerides, mg/dL
    12 y64104.618.16886.26.6−17.7−18.5.342
    13 y77108.511.86381.68.6−24.8−26.9.072
    14 y9392.97.96376.38.1−17.8−16.5.153
    15 y7285.56.54777.19.6−9.8−8.4.472
    16 y10288.16.55387.49.1−0.9−0.8.946
    17 y7795.37.64578.38.8−17.8−16.9.152
    12–17 y48594.23.833981.33.1−13.7−12.9.011
Glucose, mg/dL
    12 y6088.01.36886.71.6−1.4−1.2.566
    13 y7789.40.96384.61.5−5.3−4.8.010
    14 y9186.51.66390.65.74.74.1.492
    15 y7087.11.24783.61.4−4.1−3.6.060
    16 y9886.81.25381.51.2−6.1−5.3.004
    17 y7584.01.24582.21.2−2.1−1.8.293
    12–17 y47186.70.733985.21.4−1.8−1.6.322
Glycosylated hemoglobin, %
    12 y2035.10.041435.10.040.00.0.998
    13 y2125.00.051415.10.041.90.1.127
    14 y2094.90.031445.10.072.70.1.097
    15 y1834.90.031165.10.052.60.1.031
    16 y2145.00.081345.00.030.90.0.607
    17 y2015.00.091195.40.477.70.4.423
    12–17 y12225.00.027975.10.082.70.1.114