Table 1.
Anthropometric variables and DXA-derived lean mass indices of the sample (n = 10,014) according to gender and ethnicity. Data are reported as means ± standard deviations. ALM: appendicular lean mass; ALMI: appendicular lean mass index; BMI: body mass index.
| Variable | Caucasian Males (n = 3770) |
African American Males (n = 1619) |
Caucasian Females (n = 3328) |
African American Females (n = 1297) |
|---|---|---|---|---|
| Age (years) | 49.4 ± 19.9 | 41.5 ± 18.7 | 50.3 ± 20.3 | 42.6 ± 18.8 |
| Weight (kg) | 83.4 ± 14.0 | 80.8 ± 14.9 | 67.9 ± 12.5 | 72.1 ± 13.5 |
| Height (m) | 1.77 ± 0.07 | 1.77 ± 0.07 | 1.63 ± 0.07 | 1.63 ± 0.07 |
| BMI (kg/m2) | 26.7 ± 3.9 | 25.9 ± 4.3 | 25.7 ± 4.4 | 27.1 ± 4.5 |
| ALM (kg) | 25.5 ± 4.1 | 27.7 ± 4.7 | 16.4 ± 2.7 | 19.0 ± 3.2 |
| ALMI (kg/m2) | 8.14 ± 1.06 | 8.84 ± 1.23 | 6.20 ± 0.85 | 7.14 ± 1.00 |