Table 3.
Results from principal component analysis (PCA) and exploratory factor analysis (EFA).
| Items | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor 5 |
|---|---|---|---|---|---|
| 1. Fruit or fruit juice daily | 0.759 | ||||
| 2. Second serving of fruit daily | 0.691 | ||||
| 3. Fresh or cooked vegetables daily | 0.626 | ||||
| 4. Fresh or cooked vegetables > 1/day | 0.474 | ||||
| Explained variance (%) | 16.29 | ||||
| 14. Commercially baked goods or pastries for breakfast | 0.723 | ||||
| 16. Sweets and candy several times a day | 0.720 | ||||
| Explained variance (%) | 11.64 | ||||
| 9. Cereal or cereal product for breakfast | 0.690 | ||||
| 12. No breakfast | 0.690 | ||||
| 13. Dairy product for breakfast | 0.656 | ||||
| Explained variance (%) | 8.95 | ||||
| 5. Regular fish consumption (at least 2–3/week) | 0.786 | ||||
| 10. Regular nut consumption (at least 2–3/week) | 0.488 | ||||
| 11. Use of olive oil at home | 0.487 | ||||
| Explained variance (%) | 7.28 | ||||
| 6. >1/week fast-food (hamburger) restaurant | 0.599 | ||||
| 15. Two yoghurts and/or 40 g cheese daily | 0.414 | ||||
| Explained variance (%) | 7.22 |
Categorical principal components analysis varimax with Kaiser normalization.