Table 3.

Analysis of the validity of the questionnaire’s criteria and the correlation between factors and the total scale.

	Factor 1 Self-Concept	Factor 2 Sociability	Factor 3 Somatization	Factor 4 Disease Symptoms	Total
STAI State	R: 0.697 p < 0.001	R: 0.560 p < 0.001	R: 0.476 p < 0.001	R: 0.315 p < 0.001	R: 0.693 p < 0.001
STAI Trait	R: 0.754 p < 0.001	R: 0.652 p < 0.001	R: 0.510 p < 0.001	R: 0.383 p < 0.001	R: 0.765 p < 0.001
Factor 1 Self-concept	1	R: 0.766 p < 0.001	R: 0.566 p < 0.001	R: 0.440 p < 0.001	R: 0.957 p < 0.001
Factor 2 Sociability	R: 0.766 p < 0.001	1	R: 0.521 p < 0.001	R: 0.434 p < 0.001	R: 0.871 p < 0.001
Factor 3 Somatization	R: 0.566 p < 0.001	R: 0.521 p < 0.001	1	R: 0.411 p < 0.001	R: 0.699 p < 0.001
Factor 4 Disease symptoms	R: 0.440 p < 0.001	R: 0.434 p < 0.001	R: 0.411 p < 0.001	1	R: 0.564 p < 0.001
Total	R: 0.957 p < 0.001	R: 0.871 p < 0.001	R: 0.699 p < 0.001	R: 0.564 p < 0.001	1

STAI: State-Trait Anxiety Inventory; R: Pearson’s correlation coefficient; p: statistical significance.