Table 3.

Results of Exploratory Factor analysis of PCDQOL (n = 120)

Items	Skewness	Kurtosis	Factor 1 Limitation	Factor 2 dysphoria	Factor 3 Health concerns	Factor 4 Inadequate treatment
Q 15. I find it difficult to travel or take long trips because of my disease	− 0.1	− 1.44	0.75	–	–
Q 6. I feel like I'm limited in eating meals with coworkers	− 0.2	− 1.4	0.71	–	–
Q 7. I feel like I am not able to have special foods like birthday cake and pizza	− 0.1	− 1.33	0.69	–	–
Q 16. I feel like I cannot live a normal life because of my disease	0.43	− 1.08	0.63	–	–
Q 19. I feel like I think about food all the time	0.05	− 1.38	0.63	–	–
Q 14. I have trouble socializing because of my disease	0.77	− 0.85	0.60	–	–
Q 1. I feel limited by this disease	0.09	− 1.02	0.54	–	–
Q 5. I feel worried about my increased risk of cancer from this disease	0.6	− 0.06	0.50	–	–
Q 17. I feel afraid to eat out because my food may be contaminated	− 0.41	− 1.13	0.50	–	–
Q 13. I feel overwhelmed about having this disease	0.72	− 0.79	–	0.75	–
Q 11. I feel frightened by having this disease	0.52	− 1.09	–	0.73	–
Q 10. I feel depressed because of my disease	0.62	− 1.04	–	0.70	–
Q 12. I feel like I don't know enough about the disease	0.68	− 0.52	–	0.55	–
Q 3. I feel concerned that this disease will cause other health problems	− 0.2	− 1.2	–	–	0.77
Q 2. I feel worried that I will suffer from this disease	− 0.04	− 1.2	–	–	0.69
Q 4. I feel worried about my increased risk of cancer from this disease	0.09	− 1.32	–	–	0.68
Q 18. I feel worried about the increased risk of one of my family members having celiac disease	− 0.55	− 1.17	–	–	0.55
Q 9. I feel that there are not enough choices for treatment	0.12	− 1.00	–	–	0.54
Q 8. I feel that the diet is sufficient treatment for my disease	− 0.30	− 1.26	–	–	–	0.54
Q 20. I feel concerned that my long term health will be affected	− 0.33	− 1.13	–	–		0.54

Extraction method: Principal Axis Factoring. Rotation method: Varimax with Kaiser Normalization