Table 1 Description and comparison of demographic characteristics of the subjects

Age

34.88

4.80

33.71

4.36

1.04

0.30

Frequency

Percentage

Frequency

Percentage

Chi-square test statistics

Gender

1.22

0.35

 Male

4

12.5

8

22.9

 Female

28

87.5

27

77.1

Marital Status

1.14

0.31

 Single

8

25.0

13

37.1

 Married

24

75.0

22

62.9

Education

0.24

0.75

 BSc

26

81.2

30

85.7

 MSc and Higher

6

18.8

5

14.3

Income

1.33

0.33

 In the range of 20–40 Million IRR

7

21.9

4

11.4

 More than 40 million IRR

25

78.1

31

88.6

Work experience in a clinical environment

1.83

0.43

 < 5 Years

6

18.7

8

22.9

 5–10 Years

10

31.3

6

17.1

 10 < Years

16

50.0

21

60.0

Work experience in an ICU

0.11

0.89

  < 5 Years

23

71.9

24

68.6

 5–10 Years

8

25.0

10

28.6

 10 < Years

1

3.1

1

2.8

Type of work shift

1.15

0.55

 Morning shift

9

28.1

13

37.1

 Evening shift

15

46.9

12

34.3

 Night shift

8

25.0

10

28.6

Type of intensive care unit

4.76

0.06

 ICU

20

62.5

30

85.7

 CCU

12

37.5

5

14.3

Position

0.88

0.62

 Nurse

31

96.9

32

91.4

 Head Nurse

1

3.1

3

8.6

Faces with life-threatening illness

0.51

0.62

 Yes

11

34.4

15

42.9

 No

21

65.6

20

57.1

Having the experience of seeing another person’s death

0.26

0.99<

 Yes

31

96.9

33

94.3

 No

1

3.1

2

5.7

1.22