Table 6.
Factor analysis of Dietarian Identity Questionnaire (DIQ).
| Factor | Item | Factor Loading | Commonality | Eigenvalue | Variance Explained (%) | Cronbach’s Alpha |
|---|---|---|---|---|---|---|
| Factor 1. Complex Motivation | DIQ 5. Following my dietary pattern is an important part of who I am. | 0.804 | 0.812 | 9.675 | 31.211 | 0.970 |
| DIQ 2. My dietary pattern has a big impact on how I think of myself. | 0.804 | 0.734 | ||||
| DIQ 4. My dietary pattern defines a significant aspect of who I am. | 0.777 | 0.775 | ||||
| DIQ 26. I follow my dietary pattern because eating this way improves my life. | 0.772 | 0.642 | ||||
| DIQ 1. My dietary pattern is an important part of how I would describe myself. | 0.755 | 0.694 | ||||
| DIQ 25. I follow my dietary pattern because I am concerned about the effects of my food choices on my own well-being. | 0.754 | 0.582 | ||||
| DIQ 19. I view my dietary pattern as a way of making the world a better place for others. | 0.750 | 0.794 | ||||
| DIQ 7. Following my dietary pattern is a respectable way of living. | 0.744 | 0.579 | ||||
| DIQ 24. I follow my dietary pattern because eating this way is good for the world. | 0.719 | 0.795 | ||||
| DIQ 21. I follow my dietary pattern because I want to benefit society. | 0.710 | 0.783 | ||||
| DIQ 8. People who follow my dietary pattern should take pride in their food choices. | 0.694 | 0.656 | ||||
| DIQ 3. A big part of my lifestyle revolves around my dietary pattern. | 0.686 | 0.560 | ||||
| DIQ 22. I feel motivated to follow my dietary pattern because I am concerned about the effects of my food choices on other beings. | 0.672 | 0.777 | ||||
| DIQ 30. I follow my dietary pattern because eating this way is the morally right thing to do. | 0.662 | 0.769 | ||||
| DIQ 20. Concerns about social issues motivate me to follow my dietary pattern. | 0.658 | 0.765 | ||||
| DIQ 28. I feel that I have a moral obligation to follow my dietary pattern. | 0.552 | 0.768 | ||||
| DIQ 29. I am motivated to follow my dietary pattern because eating foods that go against my dietary pattern is immoral. | 0.536 | 0.707 | ||||
| DIQ 23. I am motivated to follow my dietary pattern because I want to help others. | 0.510 | 0.539 | ||||
| Factor 2. Out-group Motivation | DIQ 13. I judge people negatively for eating foods that go against my dietary pattern. (R) | 0.865 | 0.780 | 6.500 | 20.967 | 0.936 |
| DIQ 14. Seeing people eat foods that go against my dietary pattern makes me upset or angry. (R) | 0.828 | 0.789 | ||||
| DIQ 12. I view people as less moral for eating foods that go against my dietary pattern. (R) | 0.819 | 0.746 | ||||
| DIQ 15. If I see someone eat foods that go against my dietary pattern, I like him or her less. (R) | 0.789 | 0.703 | ||||
| DIQ 16. It bothers me when people eat foods that go against my dietary pattern. (R) | 0.756 | 0.703 | ||||
| DIQ 17. Seeing someone eat foods that go against my dietary pattern makes him or her less attractive to me. (R) | 0.752 | 0.676 | ||||
| DIQ 18. People should feel guilty about eating foods that go against my dietary pattern. (R) | 0.724 | 0.684 | ||||
| Factor 3. Public Regard | DIQ 10. People who follow my dietary pattern tend to receive criticism for their food choices. (R) | −0.740 | 0.752 | 3.322 | 10.715 | 0.815 |
| DIQ 9. People who follow my dietary pattern are judged negatively for their food choices. (R) | −0.700 | 0.679 | ||||
| DIQ 11. Following my dietary pattern is associated with negative stereotypes. (R) | −0.640 | 0.590 | ||||
| Factor 4. Strictness | DIQ 31. I can be flexible and sometimes eat foods that go against my dietary pattern. (R) | 0.850 | 0.766 | 2.521 | 8.133 | 0.770 |
| DIQ 32. From time to time, I eat foods that go against my dietary pattern. (R) | 0.810 | 0.699 | ||||
| DIQ 33. I would eat a food product that goes against my dietary pattern if I were to hear that it tastes exceptionally good. (R) | 0.696 | 0.722 |
(R) indicates a reverse-scored item.