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Table 3 Forward stepwise multiple regression analyses of cardiovascular and catecholamine responses to stress

From: Personality may influence reactivity 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
   Baseline DBP -0.319 0.013
   Detachment 0.253 0.044
  Δ SBP (R2 = 0.317, p < 0.001) Mean epinephrine during MST 0.551 <0.001
   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
   Verbal aggression -0.252 0.031
CPT Δ DBP (R2 = 0.303, p < 0.001) Baseline DBP -0.506 <0.001
   Psychasthenia 0.234 0.031
  Δ SBP (R2 = 0.258, p < 0.001) Baseline SBP -0.396 0.001
   Detachment 0.272 0.017
   Somatic anxiety 0.225 0.046
  Δ HR (R2 = 0.210, p = 0.001) Baseline HR -0.309 0.009
   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
   Muscular tension 0.298 0.004
  1. Δ: delta; MST: mental stress test; CPT: cold pressor test; SBP/DBP: systolic/diastolic blood pressure; HR heart rate.