Table 5. Simultaneous multiple regression models of psychological pain on low-frequency heart rate variability controlling for level of depression and recent suicidal desire.
| F | R2 | b | SE(b) | β | |
|---|---|---|---|---|---|
| PS | 15.59*** | 63.2% | |||
| BDI | 0.70 | 0.11 | .73*** | ||
| LF HRV | 2.57 | 1.28 | .24† | ||
| SD | 4.43 | 2.85 | .20 | ||
| SD × LF HRV | −5.24 | 3.40 | −.20 | ||
| PS factor 1a | 13.22*** | 59.0% | |||
| BDI | 0.06 | 0.01 | .70*** | ||
| LF HRV | 0.26 | 0.12 | .28* | ||
| SD | 0.38 | 0.26 | .20 | ||
| SD × LF HRV | −0.44 | 0.31 | −.19 | ||
| PS factor 2a | 8.17*** | 45.8% | |||
| BDI | 0.04 | 0.01 | .66*** | ||
| LF HRV | 0.06 | 0.11 | .08 | ||
| SD | 0.26 | 0.24 | .17 | ||
| SD × LF HRV | −0.32 | 0.29 | −.17 | ||
| OMMP | 10.59*** | 53.0% | |||
| BDI | 1.50 | 0.33 | .59*** | ||
| LF HRV | −9.28 | 3.85 | −.32* | ||
| SD | 11.99 | 8.61 | .20 | ||
| SD × LF HRV | −11.36 | 10.26 | −.16 |
Notes.
- PS
- psychache scale
- BDI
- Beck depression inventory
- LF HRV
- grand mean centered low-frequency heart rate variability in ln(ms2)
- SD
- recent suicidal desire (yes/no)
- OMMP
- Orbach & Mikulincer current mental pain
a
PS factor 1 contains nine frequency items, PS factor 2 contains four intensity items.
***
p < .001.
*
p < .05.
†
p < .10.