Table 4.
ROC Curve Comparisons Between Chronological Age (CA) and Estimates of Biological Age (BA) for the Full Sample and by Age Group
| Full Sample | Aged 30–59 years | Aged 60–75 years | ||||
|---|---|---|---|---|---|---|
| AUC (SE) | p Value | AUC (SE) | p Value | AUC (SE) | p Value | |
| CA | 0.827 (0.0052) | Reference | 0.731 (0.0108) | Reference | 0.670 (0.0067) | Reference |
| PCA | 0.840 (0.0050) | <.0001 | 0.773 (0.0105) | <.0001 | 0.712 (0.0062) | <.0001 |
| MLR1 | 0.847 (0.0050) | <.0001 | 0.762 (0.0106) | <.0001 | 0.727 (0.0061) | <.0001 |
| MLR2 | 0.849 (0.0049) | <.0001 | 0.772 (0.0105) | <.0001 | 0.727 (0.0077) | <.0001 |
| KDM1 | 0.853 (0.0049) | <.0001 | 0.774 (0.0104) | <.0001 | 0.743 (0.0059) | <.0001 |
| KDM2 | 0.854 (0.0049) | <.0001 | 0.779 (0.0103) | <.0001 | 0.737 (0.0077) | <.0001 |
Note: AUC = area under the ROC curve; PCA = principal component analysis; MLR1 = multiple linear regression with 10 variables; MLR2 = multiple linear regression with 7 variables; KDM1 = Klemera and Doubal method with 10 variables; and KDM2 = Klemera and Doubal method with 7 variables.