Table 4 Factors predicting a higher posttraumatic stress score univariate/unadjusted

Age

−1.6

< .05*

ns

– 2.5

< .05*

Gender, male = 1, female = 2

ns

ns

4.3

< .05*

Previous training, no/yes

ns

ns

ns

Work experience in similar tasks, no/yes

ns

ns

ns

Disaster drill, no/yes

−1.9

< .05*

.065

ns

Concerned about next of kin

ns

ns

ns

Witnessing injured/dead no/yes

1.6

< .05*

ns

3.7

<. 001**

Witnessing despaired people no/yes

1.8

< .05*

ns

.074

Reject victims, no/yes

ns

ns

ns

Lack of control (1-5)

1.1

< .05*

ns

2.1

<. 001**

Overwhelmed (1-5)

1.6

< .001**

2.0

< .05*

1.8

< .05*

Arousal (1-5)

ns

1.6

< .05*

Dissociation (1-5)

2.6

<.001**

4.7

< .001**

4.6

<. 001**