TABLE 5

Multivariate Regression Model of 2-Year Changes in BP z Scores With Respect to Initial BP z Score, Age, Race, and BMI Among Adolescents With Prehypertension

VariableBP z Score Changea
Systolic BPDiastolic BP
BoysGirlsBoysGirls
b, ± SEPb, ± SEPb, ± SEPb, ± SEP
Intercept−0.92 ± 0.88−3.91 ± −0.841.26 ± 0.81−0.58 ± −0.74
Initial BP z score−0.57 ± 0.07<.001−0.72 ± −0.72<.001−0.87 ± 0.04<.001−0.76 ± 0.04<.001
Age−0.028 ± 0.053.590.16 ± 0.05.001−0.086 ± 0.049.080.031 ± 0.046.51
Black−0.127 ± 0.071.075−0.063 ± 0.08.43−0.083 ± 0.067.22−0.116 ± 0.074.12
Hispanic−0.016 ± 0.12.890.112 ± 0.132.400.183 ± 0.112.100.075 ± −0.1230.54
Initial BMI0.06 ± 0.009<.0010.057 ± 0.009<.0010.011 ± 0.008.180.009 ± 0.008.28
BMI changeb0.083 ± 0.017<.0010.068 ± 0.019<.0010.023 ± 0.016.160.046 ± 0.018.011
n882588882588
  • b = beta coefficient

  • a BP z score at 2 years minus BP z score at baseline.

  • b BMI z score at 2 years minus BMI z score at baseline.