Table 1.
Demographics and body composition of the study population by group
| Variable | Lean | Obese | Obese diabetic |
|---|---|---|---|
| n | 232 | 223 | 157 |
| Age (years) | 17.8±3.5 | 18.1±3.2 | 17.9±3.2 |
| Age range (years) | 10.1–24 | 10.4–24 | 10.2–24 |
| Female sex (%) | 143 (62) | 158 (71) | 103 (66) |
| Race (white) (%) | 106 (46) | 69 (31) | 68 (43) |
| Race (black) (%) | 122 (53) | 153 (69) | 83 (53) |
| Race (other/mixed race) (%) | 4 (1) | 1 (<1) | 6 (4) |
| Height (cm) a | 165.5±11.0 | 166.4±9.8 | 169.1±10.6 |
| Weight (kg) b | 58.8±11.7 | 104.4±20.1 | 112.3±24.2 |
| BMI (kg/m2) b | 21.3±2.4 | 37.6±6.9 | 39.1±7.1 |
| Lean mass (kg) b | 43.7±10.5 | 59.1±11.2 | 62.4±12.3 |
| Waist circumference (cm) b | 75.9±7.3 | 114.7±15.8 | 121.3±15.3 |
| SBP (mmHg) b | 108±10 | 117±11 | 123±13 |
| DBP (mmHg) c | 60.0±12.0 | 66±12 | 67±14 |
| Fasting glucose (mmol/l) a | 4.9±0.33 | 5.1±.44 | 8.2±4.3 |
| HbA1c %a | 5.3±0.5 | 5.5±0.4 | 7.8±2.8 |
| Duration of diabetes | – | – | 3.2±2.5 years |
Values are mean±SD
a
Lean and obese < obese diabetic, p<0.05
b
Lean < obese < obese diabetic, p<0.05
c
Lean < obese and obese diabetic, p<0.05