TABLE 1

Characteristics of HTN and preHTN Substudy Populations

HTN Substudy PopulationpreHTN Substudy Population
Study Population, N = 398 079HTN, N = 12 138HTN With Diagnosis, N = 2813Anti-HTN Prescription, N = 158preHTN, N = 38 874preHTN With Diagnosis, N = 3990
Average age, y (SD)9.4 (4.0)9.1 (3.8)10.3 (3.9)11.3 (3.7)10.8 (4.1)11.6 (3.9)
Average BMI percentile (SD)63.8 (28.9)76.3 (27.2)84.1 (23.7)82.1 (23.9)73.6 (26.9)81.9 (23.7)
Female, %48.952.646.140.540.131.0
Male, %51.147.453.959.559.969.0
Normal, %a68.145.530.436.752.035.7
Overweight, %15.816.815.516.518.618.0
Obese, %16.137.754.046.829.446.3
Caucasian, %42.243.332.527.243.633.4
African American, %25.833.142.639.231.140.8
Other, %6.36.74.94.46.44.1
American Indian or Alaskan, %0.30.20.10.00.30.3
Asian or Pacific Islander, %1.51.60.80.61.40.7
Mixed racial group, %0.60.50.70.60.50.8
Missing race, %23.314.618.427.916.920.0
Hispanic or Latino, %7.38.29.012.76.98.5
Not Hispanic or Latino, %54.064.960.254.458.556.0
Missing ethnicity, %38.726.930.832.934.635.5
Public insurance reported, %b32.444.354.452.536.145.5
Public insurance not reported, %37.440.030.126.643.735.2
Missing insurance, %30.215.715.520.920.219.4
  • HTN, hypertension; preHTN, prehypertension; SD, standard deviation.

  • a Recorded at third BP measurement.

  • b Public insurance reported refers to those who ever indicated public insurance in the data, versus those who never indicated public insurance. Those who had no insurance data collected are not listed.