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Table 4 One-factor solution from Principal Component Analysis of the PSPS-Spanish

From: Validation of a Spanish language version of the pain self-perception scale in patients with fibromyalgia

PSPS Item

Factor loading

" Because of the pain...

Factor 1

Factor 2

M

SD

Item-total r

19.- I felt destroyed as a person

0.86

0.04

1.21

1.43

0.86

16.- I felt defeated

0.86

-0.05

1.39

1.47

0.86

5.- I felt that my confidence had been knocked out of me

0.85

0.02

1.81

1.39

0.85

24.- I felt humiliated and that I was losing my sense of inner dignity

0.85

-0.08

1.32

1.41

0.85

3.- I felt that life had treated me like a punching bag

0.83

0.14

1.17

1.52

0.83

1.- I felt defeated by life

0.83

0.09

1.42

1.57

0.83

14.- I felt I was losing my will power

0.82

-0.12

1.28

1.45

0.81

9.- I felt I was one of life's losers

0.82

0.17

1.09

1.33

0.82

23.- I felt completely at the mercy of what was happening to me

0.81

0.13

1.21

1.37

0.81

12.- I felt I had lost important battles in life

0.81

-0.07

1.34

1.43

0.81

2.- I felt that I had lost my standing in the world

0.80

-0.21

1.24

1.32

0.80

15.- I didn't care what happened to me anymore

0.80

0.19

1.18

1.38

0.80

20.- I felt like I wanted to die

0.80

0.20

0.96

1.24

0.80

13.- I felt that there was no fight left on me

0.79

0.26

1.21

1.39

0.79

6.- I didn't feel able to deal with things that life threw at me

0.79

-0.25

1.08

1.33

0.78

18.- In my mind, I gave up

0.77

0.28

1.10

1.24

0.77

21.- I felt like I was losing my inner resistance

0.77

-0.30

1.29

1.38

0.77

10.- I felt that I had given up

0.76

0.26

0.96

1.26

0.76

8.- I felt completely knocked out of action

0.76

0.32

1.89

1.52

0.76

11.- I felt down and out

0.74

0.35

1.27

1.42

0.74

17.- I felt less like a human being

0.72

-0.27

0.91

1.21

0.72

4.- I felt powerless

0.72

0.37

1.67

1.45

0.71

7.- I felt I had sunk to the bottom of the ladder

0.70

0.39

1.34

1.39

0.70

22.- I felt like an object

0.69

-0.43

0.92

1.14

0.68