Table 1.
Descriptive statistics for demographics, health status, health behaviors, subjective age, and inflammation levels.
| N | M | (SD) | Range | ||
|---|---|---|---|---|---|
| Demographics | |||||
| Age (years) | 1800 | 53.75 | (12.69) | 25–84 | |
| Sex (% male) | 1800 | 47.28% | |||
| Race (% white) | 1795 | 87.91% | |||
| Race (% black) | 1795 | 4.62% | |||
| Race (% other) | 1795 | 7.47% | |||
| Educationa | 1796 | 8.02 | (2.43) | 1–12 | |
| Health | |||||
| Depressive symptoms | 1796 | 8.30 | (7.61) | 0–49 | |
| Vigorous physical activity | 1788 | 3.30 | (1.86) | 1–6 | |
| Moderate physical activity | 1779 | 2.58 | (1.65) | 1–6 | |
| Smoking (% current/former smokers) | 1800 | 46.72% | |||
| BMI | 1740 | 28.26 | (6.15) | 14.23–66.26 | |
| Disease burden | 1788 | 2.46 | (2.58) | 0–29 | |
| Subjective age discrepancyb | 1763 | 0.15 | (0.36) | −12.51–0.95 | |
| Inflammation biomarkers | |||||
| Interleukin-6 (pg/mL) | 1784 | 2.76 | (2.61) | 0.12–23.00 | |
| C-reactive protein (ug/mL) | 1779 | 2.73 | (4.71) | 0.03–79.30 | |
| Fibrinogen (mg/dL) | 1779 | 340.38 | (79.38) | 45.00–759.00 | |
| E-selectin (ng/mL) | 1784 | 41.01 | (20.34) | 0.09–175.00 | |
| ICAM-1 (ng/mL) | 1784 | 279.17 | (140.53) | 30.00–3334.92 | |
a
Education attainment was rated on a scale of 1 (No school) to 12 (PhD, EdD, MD, LLB, LLD, JD, or other professional degree).
b
Higher values represent younger subjective age. Three participants who were outliers on subjective age were excluded from the analyses.