Descriptive characteristics of the study sample_ Data are means ± SD_
| Variable | Men (n = 138) | Women (n = 88) | Total (N = 226) |
|---|---|---|---|
| Age (y) | 21.3 ± 1.8 | 20.2 ± 1.7 | 20.9 ± 1.9 |
| Height (cm) | 179.4 ± 6.8 | 166.6 ± 7.1 | 174.4 ± 9.3 |
| Mass (kg) | 79.8 ± 12.5 | 66.6 ± 11.7 | 74.7 ± 13.8 |
| BMI (kg/m2) | 24.8 ± 3.6 | 23.9 ± 3.5 | 24.4 ± 3.5 |
| Body volume (L) | 74.9 ± 12.5 | 64.0 ± 12.1 | 70.7 ± 13.4 |
| Body density (g/cc) | 1.0663 ± 0.0162 | 1.0429 ± 0.0150 | 1.0572 ± 0.0194 |
| Fat percent (%) | 14.3 ± 5.8 | 25.2 ± 6.0 | 18.6 ± 7.9 |
| Fat mass (kg) | 11.8 ± 6.5 | 17.3 ± 7.1 | 14.0 ± 7.2 |
| TBW (L) | 48.5 ± 6.7 | 35.4 ± 4.6 | 43.4 ± 8.8 |
| TBW/mass (%) | 61.1 ± 4.1 | 53.6 ± 4.2 | 58.2 ± 5.5 |
| BMC (kg) | 3.034 ± 0.403 | 2.328 ± 0.308 | 2.759 ± 0.504 |
| BMD (g/cm2) | 1.294 ± 0.101 | 1.174 ± 0.072 | 1.247 ± 0.108 |
| Fat-free mass (kg) | 68.0 ± 8.7 | 49.4 ± 6.1 | 60.7 ± 11.9 |
| FFMI (kg/m2) | 21.1 ± 2.3 | 17.8 ± 1.7 | 19.8 ± 2.7 |
| Cm (nF) | 3.00 ± 0.62 | 1.90 ± 0.36 | 2.58 ± 0.76 |
Correlation coefficients for membrane capacitance (Cm) with measured body composition parameters_ The 95% confidence interval is in parentheses_
| Variable | Men (n = 138) | Women (n = 88) | Total (N = 226) |
|---|---|---|---|
| Height | .001 | .046 | .485 |
| (−.166 – .168) | (−.166 – .255) | (.378 – .579) | |
| Mass | .556 | .423 | .651 |
| (.429 – .662) | (.233 – .582) | (.568 – .720) | |
| BMI | .609 | .490 | .478 |
| (.492 – .705) | (.311 – .635) | (.370 – .573) | |
| Body volume | .540 | .409 | .601 |
| (.410 – .649) | (.217 – .570) | (.511 – .679) | |
| Body density | −.227 | −.206 | .294 |
| (−.379 – −.062) | (−.399 – .005) | (.169 – .409) | |
| Fat percentage | .025 | .044 | −.459 |
| (−.143 – .191) | (−.168 – .252) | (−.556 – −.349) | |
| Fat mass | .179 | .201 | −.143 |
| (.012 – .336) | (−.010 – .395) | (−.268 – −.012) | |
| TBW | .726 | .645 | .860 |
| (.637 −.797) | (.502 – .753) | (.822 – .891) | |
| TBW/mass | .197 | .119 | .561 |
| (.031 – .352) | (−.094 – .321) | (.464 – .645) | |
| BMC | .410 | .265 | .679 |
| (.261 – .540) | (.058 – .451) | (.601 – .744) | |
| BMD | .304 | .266 | .557 |
| (.145 – .449) | (.058 – .451) | (.460 – .641) | |
| Fat-free mass | .667 | .585 | .837 |
| (.563 – .751) | (.427 – .709) | (.793 – .872) | |
| FFMI | .776 | .719 | .859 |
| (.700 – .835) | (.599 – .807) | (.821 – .890) |