TABLE 1

Descriptive Characteristics, Means, and SDs or Percentage of Normotensive Population at Start of Observation

Total3- to 11-y-Olds12- to 17-y-Olds
GirlsBoysGirlsMean
N101 60632 04134 95018 78014 835
Race and ethnicity, %
 White4543435050
 African American1111111110
 Asian American121314910
 Hispanic1616161715
 Other or multi10109910
 Unknown or not asked66755
Government insurance, %44543
No. visits/y (median)1.81.81.91.71.4
Follow-up time, y (median)3.13.53.52.42.5
BMI percentile, mean (SD)65.0 (26.8)62.8 (27.1)64.7 (27.1)67.2 (25.3)67.3 (26.9)
 Low healthy (5th–49th), %3033312628
 High healthy (50th–84th), %3839374236
 Overweight (85th–95th), %1616161817
 Obese (95th–98th), %1210121215
 Severely obese (≥99th), %43424
SBP percentile, mean (SD)47.3 (27.5)49.2 (26.7)48.3 (26.5)43.1 (28.9)45.3 (28.9)
 <90th percentile, %9392939392
 90–<95th percentile, %44434
 95th percentile, %44334
DBP percentile, mean (SD)53.1 (23.7)54.3 (4.0)56.2 (23.2)46.6 (23.7)50.7 (23.2)
 <90th percentile, %9494939696
 90–<95th percentile, %44433
 95th percentile, %23211
Cohort entry year, %
 20074645454849
 20082828272828
 20091516161514
 201088977
 201133322