Design and validation of a German version of the GSRS-IBS - an analysis of its psychometric quality and factorial structure

Table 4 Loading matrix (pattern matrix) of the oblique rotation (factor eigenvalue in brackets)

	Factor 1 Bloated stomach (2.48)	Factor 2 Diarrhoea (2.35)	Factor 3 Constipation (2.80)	Factor 4 Pain and feeling of tension (2.52)
1. Stomach pain	−.04	.06	.07	.49
2. Relief through bowel movement	.10	−.13	−.13	.83
3. Passing gas	−.93	.05	−.14	−.01
4. Stomach gas	.87	.08	.18	.05
5. Constipation	.06	−.39	.44	.12
6. Diarrhoea or frequent stool	.11	.91	.02	.09
7. Liquid stool	.05	.83	.10	.09
8. Hard stool	.03	−.40	.45	.13
9. Urge to empty bowel	−.05	.28	−.10	.62
10. Feeling of complete emptiness of the bowel	.13	−.09	.14	.56
11. Feeling of fullness after meals	−.12	.13	.92	−.01
12. Prolonged feeling of fullness	.03	−.03	.85	−.09
13. Bloated stomach	.23	.03	.49	.10

ISSN: 1471-230X