Table 2 The participants’ demographic characteristics in the intervention and control groups

Age (years)*

20–30

22

62.8

27

73.3

χ²(2) = 4.496

P = 0.164

31–40

4

11.42

6

20

41–50

9

25.7

2

6.7

Marital status*

Single

14

40

14

40

χ²(1) = 0.052

P = 0.811

Married

21

60

21

60

Education*

Bachelor’s degree

25

71.4

24

68.75

χ²(1) = 0.123

P = 0.839

Master’s degree

10

28.6

11

42.85

Employment*

Official

16

45.71

15

42.85

χ²(2) = 0.798

P = 0.690

Contractual

9

25.7

12

34.28

Plan-based

10

28.6

8

22.85

Shift work**

Fixed

6

17.14

7

20

P = 1

Rotating

29

82.85

28

80

Participation in training courses

Yes

5

14.28

10

28.57

χ²(1) = 2.422

P = 0.236

No

30

85.71

25

66.7

Work experience in PICU (year)*

1>

12

34.28

34.28

16.7

χ²(2) = 5.602

P = 0.200

1–5

12

34.28

14

40

< 5

11

31.42

9

26.7