Demographic and metabolic measures
| . | Lean . | Obese . | P . |
|---|---|---|---|
| N | 15 | 25 | |
| Sex, % male (male/female) | 67 (10/5) | 40 (10/15) | 0.191‡ |
| Race, AA/C/H | 5/5/5 | 9/8/8 | 0.985‡‡ |
| Age at fMRI (years) | 15.50 ± 1.38 | 15.69 ± 1.77 | 0.712 |
| Height (cm) | 169.60 ± 10.28 | 165.28 ± 9.99 | 0.198 |
| Weight (kg) | 60.43 ± 8.91 | 93.64 ± 12.84 | 0.0001 |
| BMI (kg/m2) | 20.96 ± 1.87 | 34.41 ± 4.81 | 0.0001 |
| BMI z score | 0.21 ± 0.46 | 2.19 ± 0.34 | 0.0001 |
| % body fat | 17.50 ± 6.28 | 42.33 ± 6.60 | 0.0001 |
| Fasting leptin (ng/mL) | 4.82 ± 3.66 | 38.96 ± 17.17 | 0.0001 |
| Fasting insulin (μU/mL) | 15.67 ± 8.71 | 32.98 ± 15.03 | 0.0001 |
| Fasting glucose (mg/dL) | 82.83 ± 4.90 | 89.35 ± 3.89 | 0.0001 |
| WBISI | 3.87 ± 1.43 | 2.20 ± 1.49 | 0.002 |
| HOMA-IR | 3.20 ± 1.69 | 7.32 ± 3.47 | 0.0001 |
| . | Lean . | Obese . | P . |
|---|---|---|---|
| N | 15 | 25 | |
| Sex, % male (male/female) | 67 (10/5) | 40 (10/15) | 0.191‡ |
| Race, AA/C/H | 5/5/5 | 9/8/8 | 0.985‡‡ |
| Age at fMRI (years) | 15.50 ± 1.38 | 15.69 ± 1.77 | 0.712 |
| Height (cm) | 169.60 ± 10.28 | 165.28 ± 9.99 | 0.198 |
| Weight (kg) | 60.43 ± 8.91 | 93.64 ± 12.84 | 0.0001 |
| BMI (kg/m2) | 20.96 ± 1.87 | 34.41 ± 4.81 | 0.0001 |
| BMI z score | 0.21 ± 0.46 | 2.19 ± 0.34 | 0.0001 |
| % body fat | 17.50 ± 6.28 | 42.33 ± 6.60 | 0.0001 |
| Fasting leptin (ng/mL) | 4.82 ± 3.66 | 38.96 ± 17.17 | 0.0001 |
| Fasting insulin (μU/mL) | 15.67 ± 8.71 | 32.98 ± 15.03 | 0.0001 |
| Fasting glucose (mg/dL) | 82.83 ± 4.90 | 89.35 ± 3.89 | 0.0001 |
| WBISI | 3.87 ± 1.43 | 2.20 ± 1.49 | 0.002 |
| HOMA-IR | 3.20 ± 1.69 | 7.32 ± 3.47 | 0.0001 |
Data are means ± SD unless otherwise indicated. Independent-sample t test. Bold P values indicate significant difference between the lean and obese groups. AA, African American; C, Caucasian (non-Hispanic white); H, Hispanic; HOMA-IR, homeostasis model assessment of insulin resistance.
‡Fisher test.
‡‡χ2.