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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