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. 2022 Apr 5;19(7):4342. doi: 10.3390/ijerph19074342

Table 2.

Factorial analysis of the questionnaire: matrix of rotated components.

Kaiser-Meyer-Olkin Index
Bartlett’s Sphericity Test
0.917
<0.001
Items Factor 1
Self-Concept
Factor 2
Sociability
Factor 3
Somatization
Factor 4
Disease Symptoms
1. I feel restless 0.784
2. I am anxious 0.730
3. I feel sweating in some parts of my body 0.635
4. I have a negative attitude against others 0.670
5. I feel disgusted 0.433 0.505
6. I feel aggressive 0.662
7. I have difficulties interacting with others 0.711
8. I sleep worse than usual 0.432 0.600
9. The work is beyond me or overtaking me 0.443
10. I don’t eat the same as before 0.524
11. I am not healthy enough to go to work 0.770
12. I tend to distrust people 0.687
13. I have digestive problems 0.404
14. I feel insecure 0.683
15. I feel itching in some areas of my body 0.505
16. I feel overwhelmed 0.710
17. I do not attend to my social relationships 0.666
18. I postpone things for later 0.489
19. I have muscle pain or tension 0.567
20. I have heart palpitations 0.553
21. I usually have doubts 0.606 0.433
Self-values
Variance
8.121
42.68%
1.425
6.47%
1.334
6.06%
1.184
5.38%