Table 1.
Descriptive statistics
| Full Sample | White | Black | p Valuea | |
|---|---|---|---|---|
|
| ||||
| Mean/Prop. (N = 6,782) | Mean/Prop. (n = 5,429) | Mean/Prop. (n = 1,353) | ||
|
| ||||
| Outcomes | ||||
| PhenoAge biological age acceleration | 0.635 | 0.113 | 2.730 | <.001 |
| KDM biological age acceleration | 1.508 | −0.767 | 10.637 | <.001 |
| Homeostatic dysregulation (log) | 3.969 | 3.887 | 4.298 | <.001 |
| Covariates | ||||
| Race (1 = Black) | .199 | |||
| Age (years) | 70.910 | 71.786 | 67.392 | <.001 |
| Sex (1 = female) | .582 | .568 | .636 | <.001 |
| Birth cohort | ||||
| AHEAD | .010 | .012 | .002 | |
| CODA | .060 | .069 | .024 | |
| HRS | .304 | .330 | .200 | <.001 |
| War babies | .165 | .178 | .117 | |
| Early baby boomers | .222 | .200 | .309 | |
| Mid-baby boomers | .238 | .211 | .348 | |
| Region of birth (1 = South) | .354 | .277 | .664 | <.001 |
| SES (factor score) | .128 | .304 | −.581 | <.001 |
| Stress burden (factor score) | .024 | −.064 | .377 | <.001 |
a
p value of the Black-White difference in mean/proportion, two-tailed test.