Table 1.
Subjects characteristics.
| Variables | Mean ± SD | Range (min-max) |
|---|---|---|
| N (women, %) | 357 (162,45.4%) | |
| Race (number) | Black = 27, Caucasian = 72, American Indian = 258 (Full heritage American Indians of southwestern heritage = 249) | |
| Age (years) | 26.8 ± 6.1 | 18.1–44.0 |
| Body mass index (kg/m2) | 33.74 ± 8.23 | 16.34–63.06 |
| Weight (kg) | 94.3 ± 24.4 | 41.2–181.1 |
| Fat free mass (kg) | 63.0 ± 13.1 | 33.9–115.4 |
| Fat mass (kg) | 31.3 ± 15.2 | 4.0–84.5 |
| % fat mass (%) | 31.7 ± 9.9 | 6.5–51.3 |
| VO2max (L/min) | 2.927 ± 0.783 | 1.263–5.381 |
| Residual VO2max (mL/min)* | 4.414 ×10−13 ±406.7 | -1176–1491 |
| Resting metabolic rate (kcal/day, N = 162) | 1815 ± 297 | 1097 – 2641 |
| Sleep metabolic rate (kcal/day, N = 202) | 1665 ± 293 | 994–2484 |
| Awake and fed thermogenesis (kcal/day, N = 165) | 424 ± 168 | 88–926 |
| Spontaneous physical activity (%, N = 173) | 9.5 ± 3.3 | 3.1–22.8 |
| 24-h energy expenditure (kcal, N = 207) | 2330 ± 406 | 1412–3651 |
| 24-h RQ(N = 207) | 0.852 ± 0.027 | 0.776–0.929 |
*
Residual VO2max was obtained by a model including fat-free mass, fat mass, age, and sex as independent variables.