Table 1 Characteristics of respondents and differences in professional identity, job satisfaction, burnout and turnover intention scores among different characteristics groups (mean ± SD)

 Male

51.46 ± 6.91

36.47 ± 7.75

61.10 ± 22.45

15.42 ± 4.49

 Female

51.09 ± 7.13

37.67 ± 6.85

59..56 ± 20.60

14.86 ± 4.22

t

1.43

−4.56

1.98

3.53

p

0.15

< 0.001

0.04

< 0.001

 ≤ 30

50.51 ± 7.05

37.57 ± 7.58

63.64 ± 20.79

15.33 ± 4.31

 31–40

51.07 ± 7.12

37.01 ± 7.17

61.62 ± 20.96

15.57 ± 4.01

 41–50

51.69 ± 7.11

37.01 ± 7.07

56.86 ± 21.44

14.45 ± 4.52

 ≥ 51

52.89 ± 5.58

39.17 ± 6.40

49.96 ± 20.29

12.76 ± 4.90

F

6.97

5.19

29.05

29.94

p

< 0.001

0.001

< 0.001

< 0.001

 Non-married

50.07 ± 7.28

37.33 ± 7.79

64.46 ± 21.68

15.43 ± 4.31

 Married

51.35 ± 7.00

37.21 ± 7.12

59.57 ± 21.15

15.04 ± 4.31

 Others

52.22 ± 7.37

37.85 ± 7.49

58.25 ± 22.36

14.04 ± 4.71

F

6.43

0.35

9.19

3.71

p

0.001

0.70

< 0.001

0.25

 Associate’s degree or below

51.15 ± 7.04

38.05 ± 7.39

57.71 ± 21.78

14.26 ± 4.65

 Bachelor’s degree

51.25 ± 6.98

36.92 ± 7.07

61.13 ± 21.06

15.32 ± 4.15

 Master’s degree or above

51.22 ± 8.00

36.91 ± 7.61

60.32 ± 20.71

16.07 ± 4.02

F

0.07

8.06

8.32

24.73

p

0.93

< 0.001

< 0.001

< 0.001

 Low

50.56 ± 7.22

36.13 ± 7.10

61.81 ± 21.49

15.54 ± 4.21

 Middle

52.42 ± 6.28

39.86 ± 6.64

55.89 ± 20.42

13.99 ± 4.30

 High

54.06 ± 7.74

40.09 ± 7.95

57.73 ± 18.98

13.34 ± 5.05

F

27.69

96.48

25.17

48.59

p

< 0.001

< 0.001

< 0.001

< 0.001

 Junior

50.87 ± 7.01

37.65 ± 7.56

60.88 ± 21.49

15.08 ± 4.41

 Middle

51.30 ± 7.11

36.68 ± 6.92

60.36 ± 21.22

15.17 ± 4.23

 Senior

52.18 ± 6.96

37.71 ± 6.82

56.59 ± 20.60

14.61 ± 4.36

F

5.54

7.18

6.57

2.60

p

0.01

0.001

0.001

0.07

 Permanent employee

51.18 ± 7.13

37.03 ± 7.07

60.67 ± 21.01

14.86 ± 4.21

 Contract employee

51.31 ± 6.88

37.84 ± 7.21

58.69 ± 21.78

15.44 ± 4.42

 Others

51.27 ± 6.99

37.20 ± 8.23

59.78 ± 22.09

15.63 ± 4.82

t

0.10

3.63

2.54

7.65

p

0.90

0.26

0.79

< 0.001

 1–3

50.45 ± 7.26

37.14 ± 7.53

61.48 ± 21.73

15.46 ± 4.35

 4–10

51.63 ± 6.78

37.38 ± 7.20

60.07 ± 20.66

15.08 ± 4.20

 ≥ 11

51.39 ± 7.32

37.03 ± 6.71

58.12 ± 22.06

14.39 ± 4.52

F

8.77

0.66

4.84

12.05

p

< 0.001

0.51

0.01

< 0.001

 ≤ 8

51.16 ± 6.78

37.76 ± 7.08

58.80 ± 20.70

14.79 ± 4.32

 ≥ 9

51.40 ± 7.55

35.79 ± 7.37

63.73 ± 22.49

15.81 ± 4.26

t

0.78

47.84

34.18

35.39

p

0.37

< 0.001

< 0.001

< 0.001