Table 4.
Validity measures of body fat percentage as determined by LS2D, LS3D, skinfolds, and BIA.
| BF% Measurements | Convergent Validity | Concurrent Validity | ||||
|---|---|---|---|---|---|---|
| Pearson Coefficient r [95% CI] |
Bias [95% CI] |
(95% LoA) | Individual % Agreement (SD) ** | |||
| Male | Female | Overall | ||||
| BIA and Skinfolds | 0.86 [0.82, 0.90] | 1.7 [1.1, 2.3] * | (−5.7, 9.0) | 65.3 (4.9) | 72.1 (5.4) | 68.1 (3.7) |
| BIA and LeanScreen2D | 0.82 [0.77, 0.87] | 1.8 [1.2, 2.4] * | (−6.5, 10.1) | 58.9 (5.0) | 75.0 (5.3) | 65.6 (3.7) |
| Skinfolds and LeanScreen2D | 0.83 [0.78, 0.86] | 0.5 [0.0, 1.0] | (−6.8, 7.8) | 74.7 (3.6) | 82.1 (4.2) | 77.4 (2.7) |
| BIA and LeanScreen3D | 0.82 [0.76, 0.86] | 4.8 [4.1, 5.5] * | (−3.7, 13.3) | 38.3 (5.0) | 47.7 (6.2) | 42.1 (3.9) |
| Skinfolds and LeanScreen3D | 0.82 [0.77, 0.86] | 3.4 [2.9, 3.9] * | (−4.1, 10.8) | 57.7 (4.0) | 69.2 (5.2) | 61.7 (3.2) |
*—indicates statistically significant bias between the measurement methods. **—RCI = 4.4% for all measures.