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Table 3 Factor Loading in Exploratory Factor Analysis and Scale Reliability

From: The psychometric properties of the Chinese version of the Parkinson Anxiety Scale (C-PAS) among Parkinson’s disease

Item

Median

Inter-quartile Range

Corrected Item-total Correlation

Cronbach’s Alpha (if item deleted)

Factor Loading

1

2

3

1

1.00

0.00–2.00

0.78

0.87

0.74

0.29

0.37

2

1.00

0.00–2.00

0.75

0.87

0.71

0.25

0.39

3

1.00

0.00–2.00

0.70

0.87

0.69

0.20

0.38

4

1.00

0.00–1.00

0.65

0.88

0.84

0.17

0.11

5

1.00

0.00–1.25

0.66

0.88

0.79

0.22

0.14

6

0.00

0.00–1.00

0.58

0.88

0.42

0.76

−0.10

7

1.00

0.00–2.00

0.56

0.88

0.16

0.81

0.19

8

1.00

0.00–2.00

0.48

0.89

0.06

0.84

0.14

9

1.00

0.00–2.00

0.57

0.88

0.33

0.69

0.07

10

1.00

0.00–1.25

0.54

0.88

0.17

0.14

0.91

11

1.00

0.00–1.00

0.59

0.88

0.21

0.19

0.86

12

0.00

0.00–1.00

0.29

0.90

0.21

−0.05

0.49