Table 3.
Percent body fat estimated by dual-energy x-ray absorptiometry, body adiposity index and five bioelectrical impedance analysis predictive equations with equivalence and concordance between measures in adult, healthy African born blacks (N=266).
| Percent Body Fat (mean ± SD) |
Equivalence# with DXA (90% Confidence Interval) |
Concordance* with DXA (Tau coefficient) |
||||
|---|---|---|---|---|---|---|
| Men (n=181) |
Women (n=85) |
Men (n=181) |
Women (n=85) |
Men (n=181) |
Women (n=85) |
|
| DXAa | 27.2 ± 5.5 | 40.3 ± 6.9 | ||||
| BAIb | 25.3 ± 3.5 | 33.8 ± 5.6 | (−2.5, −1.3) | (−7.4, −5.6) | 0.362 | 0.515 |
| BIASunc | 28.1 ± 5.0 | 41.2 ± 6.7 | (0.5, 1.4) | (0.2, 1.6) | 0.506 | 0.633 |
| BIANHANES III | 29.5 ± 5.1 | 41.4 ± 6.6 | (1.9, 2.8) | (0.4, 2.0) | 0.517 | 0.603 |
| BIALuke | 36.6 ± 5.7 | 46.1 ± 6.8 | (9.0, 9.9) | (5.1, 6.6) | 0.502 | 0.645 |
| BIAZillikens | 28.2 ± 6.2 | 38.9 ± 8.4 | (0.6, 1.5) | (−2.2, −0.6) | 0.592 | 0.696 |
| BIAMETS | 28.9 ± 5.1 | 41.3 ± 5.6 | (1.2, 2.2) | (0.3, 1.7) | 0.537 | 0.617 |
DXA=dual-energy x-ray absorptiometry
BAI=body adiposity index
BIA=bioelectrical impedance analysis
The zone of scientific or clinical significance was considered (±3)
Kendall’s Tau Correlation Coefficients, all p < 0.0001