Table 2 Discriminant validity analysis of the Chinese version of the scale (n = 356)

Q1

2.10 ± 0.47

4.02 ± 0.65

23.91

< 0.001

3.37

Q2

2.05 ± 0.64

4.06 ± 0.87

18.72

< 0.001

2.62

Q3

1.68 ± 0.80

4.05 ± 0.88

19.82

< 0.001

2.81

Q4

1.69 ± 0.77

3.97 ± 0.83

20.13

< 0.001

2.84

Q6

1.12 ± 0.33

3.49 ± 1.08

21.14

< 0.001

2.94

Q7

2.29 ± 0.66

4.10 ± 0.70

18.78

< 0.001

2.66

Q8

2.05 ± 0.68

3.71 ± 0.84

15.29

< 0.001

2.17

Q9

2.13 ± 0.67

4.05 ± 0.67

20.20

< 0.001

2.87

Q12

2.44 ± 0.74

4.23 ± 0.72

17.32

< 0.001

2.45

Q13

1.33 ± 0.70

3.64 ± 0.82

21.37

< 0.001

3.02

Q14

1.99 ± 0.64

3.83 ± 0.75

18.71

< 0.001

2.63

Q15

1.20 ± 0.40

3.48 ± 1.12

19.43

< 0.001

2.68

Q17

2.53 ± 0.81

4.00 ± 0.70

13.85

< 0.001

1.95

Q18

2.53 ± 0.71

4.08 ± 0.74

15.10

< 0.001

2.14