Table 3.
Pearson’s correlations (r) between psychological, cfDNA, and cortisol measures.
| ln Baseline cfDNA | cfDNA AUCI | ln Baseline Cortisol a) |
Cortisol AUCI a) | Psychological Measures | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Resting Condition | Stress Condition | Stress Condition | Resting Condition | Stress Condition | Stress Condition | BDI | SCL-GSI | PSS | TICS-SCSS | ||
| ln baseline cfDNA | Resting condition | 1.00 | |||||||||
| Stress condition | 0.63, p ≤ 0.001 | 1.00 | |||||||||
| cfDNA AUCI | Stress condition | 0.23, p = 0.23 |
0.41, p ≤ 0.05 |
1.00 | |||||||
| ln baseline cortisol a) | Resting condition | 0.13, p = 0.52 |
0.09, p = 0.66 |
−0.04, p = 0.83 |
1.00 | ||||||
| Stress condition | 0.07, p = 0.74 |
0.15, p = 0.44 |
0.11, p = 0.58 |
0.28, p = 0.15 |
1.00 | ||||||
| cortisol AUCI a) | Stress condition | −0.01, p = 0.95 |
0.06, p = 0.75 |
0.18, p = 0.35 |
0.11, p = 0.57 |
0.59, p ≤ 0.01 |
1.00 | ||||
| Psycho-logical measures | BDI | −0.01, p = 0.95 |
−0.21, p = 0.28 |
−0.16, p = 0.41 |
0.24, p = 0.23 |
0.00, p = 0.99 |
−0.26, p = 0.18 |
1.00 | |||
| SCL-GSI | 0.01, p = 0.95 |
−0.15, p = 0.43 |
−0.10, p = 0.60 |
0.19, p = 0.33 |
0.06, p = 0.76 |
−0.22, p = 0.26 |
0.74, p ≤ 0.001 |
1.00 | |||
| PSS | 0.07, p = 0.73 |
0.27, p = 0.15 |
0.04, p = 0.85 |
−0.04, p = 0.85 |
0.19, p = 0.33 |
−0.34, p = 0.08 |
0.47, p ≤ 0.01 |
0.46, ≤ 0.05 |
1.00 | ||
| TICS-SCSS | −0.18, p = 0.35 |
−0.01, p = 0.97 |
0.16, p = 0.40 |
−0.23, p = 0.25 |
0.12, p = 0.54 |
−0.21, p = 0.28 |
0.27, p = 0.17 |
0.49, p ≤ 0.01 |
0.65, p ≤ 0.001 |
1.00 | |
Data are presented as coefficient, p values. AUC1 area under the curve with respect to increase, BDI Beck Depression Inventory, GSI—Global Severity Index, PSS Perceived Stress Scale, SCL Symptom-Check-List-90-R, SCSS Subscale of Chronic Stress, TICS Trier Inventory of Chronic Stress, a) Sub-sample of n = 29 participants.