Table 4 Regression analysis

Sex

Male

211

(29.3)

8.03

(3.16)

< .001

-

4.82

(2.40)

.036

-

Female

508

(70.7)

9.52

(2.92)

1.175

< .001

5.22

(2.34)

0.371

.097

Age (years)

20–29

193

(26.8)

9.32

(3.29)

.59

-

5.25

(2.51)

.54

-

30–39

179

(25.0)

8.85

(3.20)

-0.209

.507

5.08

(2.44)

-0.042

.866

40–49

164

(22.8)

9.00

(2.72)

-0.114

.726

5.19

(2.19)

0.089

.733

50–59

143

(19.9)

9.22

(3.07)

0.231

.516

4.97

(2.29)

-0.031

.914

60+

40

(5.6)

8.82

(2.60)

0.101

.850

4.62

(2.25)

-0.307

.470

Job

Medical doctor

105

(14.6)

7.35

(2.90)

< .001

-

4.82

(2.32)

.18

-

Nurse

166

(23.1)

9.39

(2.58)

1.300

.002

5.36

(2.22)

0.300

.370

Others

448

(62.3)

9.37

(3.14)

1.689

< .001

5.08

(2.42)

0.199

.472

Exposure to COVID-19

Non-frontliner

528

(73.4)

9.01

(3.01)

.314

-

5.02

(2.34)

.094

-

Frontliner

191

(26.6)

9.27

(3.21)

0.68

.010

5.35

(2.41)

0.366

.082

Experience of the Great Hanshin-Awaji Earthquake

N

575

(80.0)

9.14

(3.12)

.337

-

5.18

(2.39)

.081

-

Y

144

(20.0)

8.86

(2.81)

-0.536

.076

4.80

(2.26)

-0.371

.124

Experience of engagement in DMAT

N

696

(96.8)

9.09

(3.06)

.541

-

5.12

(2.37)

.450

-

Y

23

(3.20)

8.70

(3.36)

0.132

.836

4.74

(2.32)

-0.143

.780

F3(workload): Q4,Q3

F4(feeling of being protected): Q10,Q9

IES-R

Univariable

Multivariable

Univariable

Multivariable

Univariable

Multivariable

mean

(SD)

p-value

β

p-value

mean

(SD)

p-value

β

p-value

mean

(SD)

p-value

β

p-value

Sex

Male

3.24

(1.57)

.845

-

2.55

(1.14)

.108

-

14.37

(15.45)

.623

-

Female

3.26

(1.54)

-0.07

.618

2.39

(1.17)

-0.13

.239

13.75

(15.47)

-1.68

.251

Age (years)

20–29

3.26

(1.62)

.24

-

2.32

(1.24)

.20

-

16.23

(17.61)

.14

-

30–39

3.36

(1.65)

0.16

.301

2.39

(1.07)

0.04

.763

12.86

(14.84)

-4.15

.012

40–49

3.24

(1.45)

0.17

.292

2.47

(1.14)

0.12

.332

14.04

(15.16)

-2.86

.091

50–59

3.28

(1.43)

0.36

.044

2.55

(1.18)

0.18

.194

12.27

(13.77)

-4.79

.010

60+

2.73

(1.40)

-0.15

.582

2.70

(1.20)

0.30

.152

13.08

(13.02)

-3.69

.184

Job

Medical doctor

3.07

(1.57)

< .001

-

2.62

(1.18)

.22

-

11.70

(15.15)

.27

-

Nurse

3.78

(1.45)

0.83

< .001

2.41

(1.02)

-0.10

.544

14.01

(14.41)

2.61

.232

Others

3.10

(1.54)

0.25

.152

2.40

(1.21)

-0.19

.169

14.42

(15.88)

3.70

.041

Exposure to COVID-19

Non-frontliner

3.03

(1.50)

< .001

-

2.45

(1.15)

.495

-

13.47

(15.45)

.189

-

Frontliner

3.87

(1.51)

0.75

< .001

2.39

(1.21)

-0.08

.413

15.19

(15.42)

1.87

.173

Experience of the Great Hanshin-Awaji Earthquake

N

3.31

(1.55)

.056

-

2.40

(1.18)

.107

-

13.85

(15.87)

.781

-

Y

3.03

(1.51)

-0.34

.026

2.58

(1.10)

0.12

.324

14.25

(13.70)

1.67

.289

Experience of engagement in DMAT

N

3.25

(1.54)

.875

-

2.43

(1.16)

.591

-

13.88

(15.45)

.655

-

Y

3.30

(1.74)

0.08

.803

2.57

(1.20)

0.03

.919

15.35

(15.80)

1.34

.687