Table 1:

Demographic and endocrine dataa

LeanObeseP
Sample size3148
Female55% (17)69% (33).21
Age (yr)17.1 ± 1.617.9 ± 1.5.018
SES categoryb2.5 ± 1.52.0 ± 1.1.154
BMI (kg/m2)21.5 ± 2.337.7 ± 5.9<.0001
Waist/height ratio0.85 ± 0.050.95 ± 0.06<.0001
MAP75.9 ± 7.7282.6 ± 8.30.001
Triglycerides (mg/dL)71.6 ± 31.783.7 ± 35.4.123
Cholesterol (mg/dL)155.7 ± 28.3161.0 ± 23.6.382
HDL (mg/dL)52.7 ± 10.743.4 ± 8.9<.0001
LDL (mg/dL)88.8 ± 25.2101.0 ± 20.3.023
HOMA-IR1.47 ± 0.863.78 ± 2.66<.0001
Fasting insulin (μIU/L)7.96 ± 4.1619.99 ± 14.01<.0001
Fasting glucose (mg/dL)74.6 ± 7.776.5 ± 8.2.310
Brain tissue volume (mL)1164 ± 1081144 ± 141.510
Intracranial vault volume (mL)1194 ± 1111183 ± 144.728
CSF volume (mL)29.7 ± 11.138.7 ± 20.2.012
  • a Data are mean ± SD.

  • b SES category ranges from 1 to 5 with higher numbers indicating lower socioeconomic class.