Table 1 Detailed sample characteristics
From: Connections between cross-tissue and intra-tissue biomarkers of aging biology in older adults
Characteristic | Summary (unweighted) |
|---|---|
N | 2406 |
Chronological age (years), median (IQR)a | 66 (59, 72) |
Female, % | 1449 (60) |
Time difference, median (IQR)b | 8 (8, 8.3) |
Race | |
 African American, N (%) | 270 (11) |
Self-reported health | |
 Excellent | 350 (15) |
 Very good | 815 (34) |
 Good | 732 (31) |
 Fair | 359 (15) |
 Poor | 98 (4) |
Biomarkersc | |
Saliva based | |
Telomere length, median (IQR) | 1.30 (1.14, 1.50) |
Blood-based physiological measure | |
Phenotypic age, median (IQR) | 74.41 (65.6, 83.55) |
Blood-based DNA methylation measuresd | |
Chronological age (years), median (IQR)e | 74 (67, 80) |
Horvath, median (IQR) | 69.00 (63.00, 75.00) |
Hannum, median (IQR) | 57.80 (52.06, 63.55) |
Levine, median (IQR) | 60.70 (54.41, 66.84) |
Skin & blood, median (IQR) | 73.54 (67.70, 78.25) |
Lin, median (IQR) | 61.61 (55.09, 68.85) |
Weidner, median (IQR) | 67.43 (60.90, 76.82) |
VidalBralo, median (IQR) | 65.15 (61.67, 69.00) |
GrimAge, median (IQR) | 71.30 (65.64, 77.25) |