Table 3.
Factor loadings of food groups in each dietary pattern identified by using PCA, RRR, and PLS
| Plant-based diet | Processed food diet | Animal-based diet | RRR diet | PLS diet | |
|---|---|---|---|---|---|
| Cereals and potatoes | − 0.08 | − 0.00 | 0.15 | 0.02 | 0.02 |
| Legumes and their products | 0.55a | 0.10 | 0.09 | 0.20 | 0.26a |
| Fresh vegetables | 0.70a | 0.13 | 0.15 | 0.10 | 0.24a |
| Mushrooms and algae | 0.19 | 0.63a | − 0.02 | − 0.00 | 0.11 |
| Preserved vegetables | 0.02 | 0.57a | − 0.13 | 0.15 | 0.15 |
| Fruits | 0.60a | 0.28 | 0.08 | 0.11 | 0.24a |
| Poultry | 0.21 | 0.05 | 0.67a | 0.53a | 0.51a |
| Meat | 0.18 | 0.02 | 0.68a | 0.08 | 0.27a |
| Fish and shrimp | 0.26 | − 0.14 | 0.31 | − 0.06 | 0.03 |
| Animal organs | 0.16 | 0.30 | 0.04 | 0.38a | 0.40a |
| Processed meats | − 0.03 | 0.49a | 0.32 | − 0.21a | − 0.12 |
| Eggs | 0.43a | − 0.15 | − 0.06 | − 0.16 | 0.01 |
| Snacks and dessert | 0.06 | 0.55a | 0.07 | − 0.30a | − 0.06 |
| Dairy products | 0.58a | 0.18 | − 0.11 | 0.09 | 0.12 |
| Nuts | − 0.06 | 0.13 | 0.32 | 0.16 | 0.17 |
| Sugary beverages, | − 0.04 | 0.20 | 0.145 | 0.46a | 0.40a |
| Tea or coffee | 0.11 | 0.11 | 0.12 | 0.29 | 0.28a |
aRepresents the major characteristic food group of the dietary pattern