Table 2.
Associations among lifetime stressor exposure, perceived stressor severity, and systemic inflammatory markers (N = 92)
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | 11. | 12. | 13. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Overall stressor exposure | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2. Overall total perceived stressor severity | 0.88* | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 3. Overall average perceived stressor severity | 0.18 | 0.59* | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 4. Chronic stressor exposure | 0.83* | 0.82* | 0.31* | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 5. Chronic total perceived stressor severity | 0.82* | 0.94* | 0.57* | 0.89* | 1.00 | -- | -- | -- | -- | -- | -- | -- | -- |
| 6. Chronic average perceived stressor severity | 0.40* | 0.63* | 0.71* | 0.30* | 0.66* | 1.00 | -- | -- | -- | -- | -- | -- | -- |
| 7. Acute stressor exposure | 0.88* | 0.72* | 0.05 | 0.51* | 0.58* | 0.39* | 1.00 | -- | -- | -- | -- | -- | -- |
| 8. Acute total perceived stressor severity | 0.79* | 0.88* | 0.49* | 0.57* | 0.68* | 0.47* | 0.79* | 1.00 | -- | -- | -- | -- | |
| 9. Acute average perceived stressor severity | −0.15 | 0.21* | 0.76* | 0.12 | 0.16 | 0.17 | −0.31* | 0.25* | 1.00 | -- | -- | -- | -- |
| 10. Plasma interleukin-6 | 0.08 | 0.06 | 0.02 | 0.01 | 0.05 | 0.12 | 0.13 | 0.06 | −0.08 | 1.00 | -- | -- | -- |
| 11. Plasma interleukin-8 | −0.03 | 0.07 | 0.20 | −0.03 | 0.01 | 0.09 | −0.06 | 0.10 | 0.25* | 0.02 | 1.00 | -- | -- |
| 12. Plasma interleukin-1β | 0.01 | 0.10 | 0.26* | 0.10 | 0.06 | 0.02 | −0.10 | 0.09 | 0.33* | 0.08 | 0.20 | 1.00 | -- |
| 13. Plasma tumor necrosis factor-α | −0.05 | −0.03 | 0.02 | −0.10 | −0.07 | 0.10 | 0.01 | 0.01 | 0.02 | 0.27* | 0.23* | 0.18 | 1.00 |
| Median | 21.0 | 47.5 | 2.3 | 9.0 | 21.0 | 2.5 | 11.0 | 24.0 | 2.1 | 0.72 | 2.93 | 0.07 | 1.56 |
| 25th Percentile | 13.0 | 27.5 | 1.9 | 5.0 | 9.0 | 1.7 | 7.5 | 15.0 | 1.6 | 0.51 | 2.25 | 0.06 | 1.43 |
| 75th Percentile | 26.0 | 71.0 | 2.8 | 13.5 | 38.0 | 3.2 | 15.0 | 34.0 | 2.9 | 1.02 | 3.09 | 0.10 | 1.78 |
Notes: Results are presented as Spearman’s ρ for rank-order associations. Log-transformed plasma cytokine levels were used in analyses but raw values (in pg/mL) are presented here for descriptive purposes.
*
p < 0.05