Table 1.
Characteristics of the study population (N = 121)
| Variable | Mean (SD) or % |
|---|---|
| Demographics | |
| Age | 63.5 (5.7) |
| Gender (male) | 30.6 |
| Employment grade | |
| High | 24.8 |
| Medium | 41.3 |
| Low | 33.9 |
| BMI | |
| Normal | 43.0 |
| Overweight | 43.8 |
| Obese | 13.2 |
| Smoking | |
| Never smoked | 70.2 |
| Ex-smoker | 26.4 |
| Current smoker | 3.3 |
| Treg cells and biological stress responsivity | |
| Regulatory T cells (%) | 7.4 (2.1) |
| IL-6 at 75 min (pg/mL) | 1.76 (1.11) |
| IL-6 baseline (pg/mL) | 1.34 (0.82) |
| Cortisol responders, n (%) | 66 (54.5 %) |
| Psychological and physical well-being | |
| Physical health status | 79.0 (15.6) |
| Mental health status | 77.4 (15.3) |
| Depressive symptoms | 7.2 (6.8) |