Table 2 Bivariate analysis and multivariate analysis of factors associated with probable PTSD

Bivariate analysis

β

SE

OR

P

β

SE

OR

P

β

SE

OR

P

Age

0.00

0.02

1.00

0.96

0.04

0.02

1.04

0.11

−0.02

0.04

0.98

0.66

Female sex

−0.26

0.37

0.77

0.48

0.63

0.75

1.87

0.41

Workplace factors

Supervisory work status

0.06

0.50

1.07

0.90

0.13

0.77

1.14

0.87

−17.18

8038.59

0.00

1.00

Mainly disaster-related work

1.54

0.38

4.68

<0.001

0.61

0.78

1.84

0.43

−0.57

1.13

0.57

0.61

Lack of communication

0.44

0.39

1.56

0.26

1.12

0.44

3.06

<0.05

2.20

0.94

8.98

<0.05

Lack of rest

1.71

0.43

5.55

<0.001

1.76

0.56

5.81

<0.01

18.77

2562.61

141708318.91

0.99

Dead or missing colleague(s)

−0.13

0.46

0.87

0.77

0.95

0.50

2.59

0.06

17.35

4874.11

34226161.92

1.00

Personal factors

Displacement

1.16

0.36

3.19

<0.01

0.21

0.47

1.23

0.66

−0.11

1.13

0.90

0.92

Dead or missing family member(s)

1.52

0.47

4.56

<0.01

1.45

0.49

4.25

<0.01

0.75

1.13

2.12

0.51

Near-death experience

0.79

0.37

2.20

<0.05

1.47

0.63

4.33

<0.05

17.74

3361.11

50801095.58

1.00

Multivariate analysis

β

SE

OR

P

β

SE

OR

P

β

SE

OR

P

Age

Female sex

Workplace factors

Supervisory work status

Mainly disaster-related work

1.36

0.40

3.89

<0.001

Lack of communication

1.31

0.49

3.70

<0.01

Lack of rest

1.36

0.45

3.90

<0.01

1.48

0.58

4.41

<0.05

Dead or missing colleague(s)

Personal factors

Displacement

0.82

0.39

2.27

<0.05

Dead or missing family member(s)

1.48

0.54

4.37

<0.01

1.67

0.55

5.29

<0.01

Near-death experience

1.00

0.41

2.72

<0.05

1.85

0.77

6.38

<0.05