Table 3.
Stepwise regression for moderating factors associated with variation in Indurometer and bio-impedance spectroscopy (BIS) measures.
| Indurometer | BIS | ||||||
|---|---|---|---|---|---|---|---|
| Higher Values = Increased Tissue Compressibility | Lower Values = Increased ECF | ||||||
| Posterior Thigh B (SE) | Calf B (SE) | Whole Leg B (SE) | |||||
| Factor | Dominant | Non−dominant | Dominant | Non−dominant | Dominant | Non−dominant | |
| Step 1 | R2= | 0.002 | 0.000 | 0.029 | 0.054 | 0.017 | 0.042 |
| Antigen Positive | 0.070 (0.182) | 0.015 (0.180) | 0.212 (0.126) | 0.272 (0.116) * | −0.117 (0.095) | −0.238 (0.122) | |
| Step 2 | R2= | 0.189 | 0.187 | 0.283 | 0.269 | 0.283 | 0.398 |
| Antigen Positive | 0.093 (0.168) | 0.049 (0.166) | 0.234 (0.111) * | 0.286 (0.104) ** | −0.108 (0.083) | −0.210 (0.099) * | |
| Gender = Female | 0.751 (0.178) ** | 0.679 (0.175) ** | 0.639 (0.117) ** | 0.492 (0.110) ** | 0.230 (0.087) ** | 0.485 (0.103) ** | |
| Older age | 0.022 (0.025) | 0.041 (0.025) | 0.010 (0.017) | 0.024 (0.016) | −0.051 (0.012) ** | −0.061 (0.015) ** | |
| Underweight | 0.136 (0.250) | 0.277 (0.247) | −0.052 (0.165) | −0.094 (0.155) | −0.237 (0.120) | −0.302 (0.142) * | |
| Less Recent Hydration | −0.338 (0.177) | −0.223 (0.174) | −0.139 (0.117) | −0.239 (0.110) * | 0.107 (0.085) | 0.124 (0.101) | |
ECF = extracellular fluid; SE = standard error; * p < 0.05; ** p < 0.01.