Table 1

Baseline characteristics of randomized participants (n = 43)

Variable
Female sex, n (%) 20 (46.5)
Race, n (%)
 White17 (39.5)
 Asian2 (4.6)
 Black or African American17 (39.5)
 Multiple races3 (7.0)
 Unknown/declined3 (7.0)
 Pacific Islander1 (2.3)
Ethnicity, n (%)
 Latino/Hispanic4 (9.3)
 Non-Latino/Hispanic39 (90.7)
Age (years)9.6 ± 1.3
Pubertal maturation
 Male, testis volume (mL)4 (1–15)
 Female, Tanner breast stage2 (1–4)
Picture Vocabulary Test score1106.8 ± 11.3
Fat mass (kg)220.3 ± 8.5
Lean mass (kg)230.0 ± 6.3
Waist-to-height ratio0.5 ± 0.1
BMI (kg/m2)24.5 ± 4.5
BMI Z score1.8 ± 0.5
Fasting glucose (mg/dL)90.0 ± 5.4
Systolic BP (mmHg)112.2 ± 9.8
Diastolic BP (mmHg)61.5 ± 8.8
Peak VO2 (mL/kg/min)26.2 ± 8.0
HOMA-IR35.3 ± 9.4
Matsuda index3 (during sedentary OGTT)3.6 ± 2.1
  • Data are mean ± SD or median (range) unless otherwise indicated.

  • BP, blood pressure; HOMA-IR, HOMA of insulin resistance.

  • 1Proxy of intelligence quotient.

  • 2n = 42.

  • 3n = 32.