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Table 2 Results of Multiple Logistic Stepwise Regression Predicting Post-trauma Outcome from the Set of Pre-trauma Variables

From: Predicting post-trauma stress symptoms from pre-trauma psychophysiologic reactivity, personality traits and measures of psychopathology

Maximized Sample

Outcome

 

Selected

Odds

Wald

  

Measure

N

Predictor(s)

Ratio

Chi-Square

df

p

IES-R

96

Shipley Est. IQ

0.95

4.28

1

.039

  

EMG Diff_E1

1.17

4.46

1

.035

  

BDI-II

1.15

3.50

1

.062

Post. Prob.

95

Shipley Est. IQ

0.94

5.72

1

.017

  

SC Mean Resp.

4.02

3.70

1

.055

  1. Note: Post. Prob. = Posterior Probability score derived from script-driven imagery assessment; IES-R = Impact of Event Scale-Revised total score; Shipley Est. IQ = Estimated WAIS-R Full Scale IQ from Shipley Institute of Living Scale; EMG Diff_E1 = corrugator electromyogram differential response during extinction, i.e., the averaged CS interval response to the first five CS + trials minus the averaged CS interval response to the first five CS- trials for the extinction phase; BDI-II = Beck Depression Inventory-II score; SC Mean Resp. = Skin conductance mean response to loud-tone presentations.