Table 3 Forward stepwise multiple regression analyses of cardiovascular and catecholamine responses to stress
|  | Dependent variable (R2and p for the model) | Model | β | P |
|---|---|---|---|---|
MST | Δ DBP (R2 = 0.262, p = 0.002) | Mean epinephrine during MST | 0.334 | 0.009 |
| Â | Â | Baseline DBP | -0.319 | 0.013 |
| Â | Â | Detachment | 0.253 | 0.044 |
|  | Δ SBP (R2 = 0.317, p < 0.001) | Mean epinephrine during MST | 0.551 | <0.001 |
| Â | Â | Baseline SBP | -0.345 | 0.004 |
|  | Δ HR (R2 = 0.261, p < 0.001) | Mean epinephrine during MST | 0.511 | <0.001 |
|  | Δ epinephrine (R2 = 0.142, p = 0.004) | Baseline epinephrine | -0.376 | 0.004 |
|  | Δ norepinephrine (R2 = 0.285, p < 0.001) | Baseline norepinephrine | -0.465 | <0.001 |
| Â | Â | Verbal aggression | -0.252 | 0.031 |
CPT | Δ DBP (R2 = 0.303, p < 0.001) | Baseline DBP | -0.506 | <0.001 |
| Â | Â | Psychasthenia | 0.234 | 0.031 |
|  | Δ SBP (R2 = 0.258, p < 0.001) | Baseline SBP | -0.396 | 0.001 |
| Â | Â | Detachment | 0.272 | 0.017 |
| Â | Â | Somatic anxiety | 0.225 | 0.046 |
|  | Δ HR (R2 = 0.210, p = 0.001) | Baseline HR | -0.309 | 0.009 |
| Â | Â | Irritability | 0.282 | 0.016 |
|  | Δ epinephrine (R2 = 0.186, p < 0.001) | Baseline epinephrine | -0.432 | <0.001 |
|  | Δ norepinephrine (R2 = 0.437, p < 0.001) | Baseline norepinephrine | -0.571 | <0.001 |
| Â | Â | Muscular tension | 0.298 | 0.004 |