Table 3 Univariate analysis and description of each scale

 Male

2.37 ± 2.63

3.48 ± 0.56

6.28 ± 2.96

41.15 ± 7.82

14.01 ± 3.79

 Female

2.23 ± 2.75

3.45 ± 0.57

6.32 ± 3.07

40.90 ± 7.60

14.18 ± 3.73

F/t

0.905

1.097

−0.254

0.565

−0.972

  ≤ 30

1.83 ± 2.42

3.57 ± 0.60

6.52 ± 3.00

38.50 ± 7.06

13.79 ± 3.87

 31–50

2.49 ± 2.74

3.43 ± 0.54

6.30 ± 2.98

41.89 ± 7.74

14.33 ± 3.65

  ≥ 51

2.42 ± 2.93

3.43 ± 0.61

5.51 ± 3.15

42.79 ± 7.74

13.18 ± 4.11

F/t

7.443^**

8.419^**

4.414^*

27.289^**

5.603^**

 Below undergraduate

2.34 ± 3.46

3.49 ± 0.70

5.78 ± 3.48

39.41 ± 10.57

13.82 ± 3.78

 Undergraduate

2.11 ± 2.53

3.51 ± 0.53

6.02 ± 2.94

41.26 ± 7.68

13.76 ± 3.79

 Master’s degree or above

2.44 ± 2.74

3.44 ± 0.58

6.53 ± 3.01

40.98 ± 7.53

14.34 ± 3.73

F/t

2.291

2.155

5.010^**

1.203

3.643^*

 Married

2.42 ± 2.72

3.45 ± 0.56

6.18 ± 3.04

42.28 ± 7.48

14.18 ± 3.73

 Single/ divorced/ widowed

1.87 ± 2.53

3.53 ± 0.57

6.68 ± 2.86

37.25 ± 7.24

13.90 ± 3.82

F/t

3.096^**

−1.969^*

−2.467^*

10.159^**

1.122

 Primary title

2.50 ± 3.11

3.55 ± 0.56

6.36 ± 3.02

39.18 ± 7.49

13.84 ± 3.67

 Intermediate title

2.43 ± 2.54

3.42 ± 0.55

6.34 ± 3.04

42.07 ± 7.61

14.49 ± 3.74

 Senior title

2.04 ± 2.50

3.42 ± 0.59

6.16 ± 2.95

42.18 ± 7.69

13.86 ± 3.89

F/t

3.589^*

7.177^**

0.451

21.846^**

4.351^*

 Long-term employee

2.43 ± 2.76

3.44 ± 0.57

6.36 ± 3.06

41.54 ± 8.00

14.16 ± 3.87

 Temporary employee

2.09 ± 2.54

3.52 ± 0.56

6.19 ± 2.92

40.10 ± 7.07

13.96 ± 3.55

F/t

2.151^*

−2.503^*

0.986

3.170^**

0.909

 Internal medicine

1.96 ± 2.29

3.43 ± 0.59

6.57 ± 3.04

40.45 ± 7.48

14.20 ± 3.81

 Surgery

2.62 ± 2.84

3.46 ± 0.57

6.63 ± 3.03

40.62 ± 8.21

14.32 ± 3.91

 Obstetrics and Gynecology

3.25 ± 4.52

3.35 ± 0.59

6.64 ± 2.87

40.34 ± 7.96

14.19 ± 3.57

 Pediatrics

2.56 ± 2.05

3.62 ± 0.51

5.54 ± 2.69

42.90 ± 7.61

14.69 ± 3.25

 Department of stomatology

1.75 ± 2.14

3.55 ± 0.59

6.03 ± 3.10

43.89 ± 7.03

15.07 ± 4.91

 Otorhinolaryngology

2.37 ± 2.52

3.40 ± 0.51

5.43 ± 2.91

40.97 ± 7.40

14.96 ± 3.15

 Auxiliary examination

2.32 ± 2.66

3.65 ± 0.54

5.49 ± 2.85

43.23 ± 7.27

12.35 ± 3.91

 Other

2.21 ± 2.74

3.51 ± 0.54

5.82 ± 2.96

41.59 ± 7.34

13.20 ± 3.23

F/t

3.316^**

2.689^**

4.113^**

2.612^*

4.732^**

  ≤ 4

1.83 ± 2.51

3.53 ± 0.56

6.57 ± 2.98

38.53 ± 7.52

13.73 ± 3.78

 5–10

2.37 ± 2.57

3.44 ± 0.53

6.28 ± 3.00

41.07 ± 7.77

14.47 ± 3.64

  ≥ 11

2.68 ± 2.87

3.43 ± 0.59

6.08 ± 3.03

43.22 ± 7.17

14.11 ± 3.82

F/t

11.465^**

3.747^*

2.962

43.561^**

3.824^*

  ≤ 8

1.97 ± 3.30

3.61 ± 0.57

5.23 ± 2.66

41.49 ± 8.51

12.66 ± 3.18

 8–12

2.20 ± 2.48

3.47 ± 0.56

6.25 ± 2.99

41.06 ± 7.53

14.10 ± 3.76

  ≥ 12

3.34 ± 3.48

3.35 ± 0.62

7.39 ± 3.09

40.55 ± 8.56

14.92 ± 3.89

F/t

11.761^**

5.703^**

15.043^**

0.421

9.843^**