Table 1.
Physical characteristics of the subjects.
| Variable | African-American n=51 |
Hispanic Caucasian n=45 |
Multi-Ethnic n=55 |
Total n= 15 |
Group n=166 |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | M | SD | |
| Age (y) | 12.0 | 1.1 | 12.3 | 1.1 | 12.1 | 1.3 | 12.5 | 1.0 | 12.1 | 1.2 |
| Height (cm) | 155.5 | 7.7 | 153.8 | 7.9 | 154.4 | 8.9 | 152.7 | 7.1 | 154.6 | 8.1 |
| Mass (kg) | 56.4 | 18.4* | 52.1 | 14.9 | 50.0 | 14.3 | 51.6 | 14.7 | 52.7 | 15.9 |
| BMI (kg. m2) | 23.1 | 6.4* | 21.8 | 5.3 | 20.6 | 4.8 | 21.9 | 5.1 | 21.8 | 5.5 |
| BIA | ||||||||||
| Reactance (Ω) | 62.2 | 8.0 | 62.3 | 5.1 | 61.1 | 7.6 | 64.8 | 7.5 | 62.1 | 7.5 |
| Resistance (Ω) | 608.3 | 81.3* | 652.2 | 78.5 | 643.2 | 86.0 | 653.9 | 71.7 | 635.9 | 82.2 |
| Skinfolds | ||||||||||
| Calf (mm) | 16.8 | 7.6 | 14.9 | 6.3 | 16.0 | 6.7 | 16.3 | 6.2 | 16.0 | 6.8 |
| Triceps (mm) | 16.6 | 8.2 | 14.9 | 5.7 | 15.4 | 6.1 | 17.1 | 6.7 | 15.8 | 6.8 |
*
P < 0.05 compared to the Caucasian girls
Mass, BMI and resistance significantly differ in African-American versus Caucasian girls. No other significant differences (see text).