Skip to main content

Table 3 Results of the item-total analysis and factor analysis

From: Validity and reliability of the Japanese versions of cognitive and behavioral scales for irritable bowel syndrome

  25-item version 23-item version
Items Item-total correlation Factor loadings Item-total correlation Factor loadings
19. Not take advantage of opportunities due to bowel problems 0.720 0.785 0.727 0.786
16. Concern about lasting through events 0.802 0.781 0.817 0.782
23. Worry about losing control of bowels in public 0.810 0.770 0.812 0.768
12. Bowel problems interfere with feeling good about myself 0.761 0.769 0.763 0.769
14. Can’t concentrate due to pain 0.767 0.766 0.780 0.767
13. Worry about my bowel symptoms on a trip 0.789 0.763 0.800 0.763
9. I feel very down about my bowel symptoms 0.712 0.756 0.730 0.759
7. Frustrated by bowel symptoms 0.722 0.754 0.734 0.755
5. Bowel symptoms are agony 0.763 0.733 0.763 0.732
8. Pain will never go away 0.700 0.724 0.717 0.727
20. Symptoms make me feel out of control 0.686 0.724 0.693 0.726
11. Worry about not finding a bathroom when I need one 0.774 0.714 0.776 0.712
2. I’m always sick with bowel problems 0.686 0.705 0.688 0.705
4. Can’t function normally when sick with bowel problems 0.731 0.696 0.735 0.695
3. Symptoms are too much to handle 0.692 0.693 0.698 0.696
21. Bowel symptoms in restaurant 0.639 0.635 0.653 0.636
22. With frequent bathroom visits, others think something is wrong 0.668 0.627 0.663 0.622
15. Embarrassing to keep going to bathroom 0.611 0.581 0.607 0.576
25. Must get home when 1 have symptoms 0.553 0.541 0.563 0.542
1. Not getting to bathroom in time 0.483 0.490 0.489 0.491
17. Being late upsets me 0.567 0.480 0.541 0.472
24. Feeling guilt if I nurture myself 0.431 0.452 0.433 0.450
10. Passing gas in public 0.471 0.416 0.473 0.414
18. Hate making a fool of myself 0.389 0.313 - -
6. Do my absolute best at everything 0.323 0.262 - -
  Eigenvalue 10.72 Eigenvalue 10.54
  Variance (%) 42.87% Variance (%) 45.85%