Table 3.
Variable | Regression Analysis | CCC Analysis | Agreement Analysis | |||||
---|---|---|---|---|---|---|---|---|
R2 | PE | CCC | ρ | Cb | Bias | 95% LoA | Trend | |
Cross-Validation | ||||||||
Endomorph | 0.80 | 0.162 | 0.89 | 0.8957 | 0.9917 | −0.0149 | −0.329; 0.287 | r = −0.263 (p = 0.054) |
Mesomorph | 0.84 | 0.338 | 0.90 | 0.9173 | 0.9940 | −0.1479 | −0.842; 0.546 | r = −0.129 (p = 0.331) |
Ectomorph | 0.87 | 0.229 | 0.93 | 0.9346 | 0.9973 | −0.0613 | −0.591; 0.468 | r = −0.235 (p = 0.074) |
Abbreviations: R2, coefficient of determination; PE, pure error; CCC, concordance correlation coefficient; ρ, precision; Cb, accuracy; LoA, limits of agreement.