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. 2017 Dec 8;12(12):e0189314. doi: 10.1371/journal.pone.0189314

Table 3. Exploratory factor analysis of the ASCIF using principal components factoring with promax rotation.

Items Mean (s.e.) Factor loadingsa
1b 2c 3d 4e
Q30. I consider that irradiated foods are not harmful to health in the long term. 3.01 (0.04) 0.93
Q11. I would encourage consumption of irradiated foods. 2.84 (0.04) 0.92
Q29. I consider that irradiated foods are not harmful to health in the medium term. 3.12 (0.04) 0.92
Q31. I consider that irradiated foods are not harmful to the health of future generations. 3.03 (0.05) 0.92
Q13. I would consume irradiated food because I know that these are safe for consumption. 3.11 (0.05) 0.86
Q12. I would consume irradiated foods, as I know they do not cause health damage. 3.10 (0.05) 0.86
Q28. I consider that irradiated foods are not harmful to health in the short term. 3.24(0.04) 0.84
Q15. I approve the consumption of irradiated foods. 3.16 (0.05) 0.80
Q27. I feel safe about the consumption of irradiated foods. 3.01 (0.05) 0.75
Q10. I would be willing to pay more for irradiated food. 2.38 (0.04) 0.70
Q9. I would consume irradiated food. 3.35 (0.05) 0.70
Q22. I have confidence in buying a food when I read on the label the following information "food treated by irradiation process". 3.07 (0.05) 0.69
Q24. I would buy irradiated food because I know this process does not make the food radioactive. 3.48 (0.05) 0.63
Q26. Irradiated foods are nutritional safe. 3.30 (0.04) 0.61
Q32. The World Health Organization (WHO) and the United Nations (FAO) recommend the irradiation of food. 3.11 (0.03) 0.59
Q2. Food irradiation can be used to reduce microbial load on food. 4.07 (0.04) 0.83
Q7. Food irradiation can be used to increase shelf life. 3.98 (0.04) 0.72
Q3. The irradiation of food can be used to inhibit the budding of bulbs, roots and tubers. 3.58 (0.04) 0.61
Q5. The minimum absorbed dose by the irradiated food must be sufficient to achieve the intended purpose. 3.77 (0.04) 0.57
Q6. Brazil authorizes the use of food irradiation. 3.63 (0.03) 0.56
Q25. Irradiated food is microbiologically safe. 3.50 (0.04) 0.51
Q4. Food irradiation can be used to delay the ripening of fruits. 3.57 (0.04) 0.47
Q1. Irradiated food is different from radioactive food. 3.99 (0.05) 0.45
Q19. All foods that undergo irradiation should have this information highlighted on the product label. 4.53 (0.03) 0.90
Q21. I consider the symbol of Radura important in the labels of irradiated foods. 4.45 (0.03) 0.85
Q23. The food label should highlight the information of irradiated food. 4.40 (0.03) 0.80
Q20. I consider that the additional information contained in the labels of irradiated foods is important. 4.45 (0.03) 0.78
Q16. I consider it necessary to carry out educational campaigns to inform the population about the irradiation of food. 4.59 (0.03) 0.60
Q14. I know some irradiated food. 2.58 (0.06) 0.70
Q18. I know Radura, the symbol used to represent irradiated food. 2.45 (0.06) 0.60
Q8. I consciously consume irradiated food. 2.40 (0.05) 0.58
Eigenvalues 13.42 3.88 1.87 1.42
Variance accounted for (%) 41.92 12.12 5.84 4.43

a Loadings < 0.40 are omitted.

b Safety of irradiated foods (S).

c Concepts (C).

d Labeling (L).

e Awareness (A).