Table 2. Factor loadings of food groups in dietary patterns identified using principle component analysis, reduced-rank regression and partial least-squares (n = 673).
| Principle component analysis | Partial least-squares | Reduced-rank regression | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Food groups | Western pattern | Traditional Lebanese pattern | Fish pattern | Factor 1 | Western-_PLS | Factor 3 | Factor 1 | Western-RRR | Factor 3 |
| Fried potato | 0.34 | -0.16 | - | -0.31 | 0.34 | - | -0.20 | 0.25 | - |
| Refined grains | 0.31 | - | -0.29 | -0.28 | 0.27 | -0.15 | -0.27 | 0.30 | 0.11 |
| Regular soda | 0.30 | -0.26 | - | -0.19 | 0.33 | - | - | 0.08 | 0.19 |
| Sweets | 0.27 | - | -0.19 | -0.22 | 0.21 | -0.18 | -0.19 | 0.18 | -0.30 |
| Pizza and pies | 0.25 | -0.27 | - | 0.35 | - | 0.11 | 0.24 | - | |
| Cured meat | 0.24 | -0.12 | 0.12 | - | 0.28 | - | - | 0.23 | - |
| Fast food sandwiches | 0.21 | -0.33 | 0.14 | -0.20 | 0.29 | 0.12 | - | 0.20 | - |
| Bottled fruit juices | 0.21 | 0.11 | -0.11 | — | 0.19 | -0.22 | - | 0.31 | - |
| Whole dairy products | 0.21 | 0.20 | - | 0.29 | 0.20 | -0.20 | 0.34 | - | - |
| Meat and poultry | 0.21 | - | 0.23 | - | 0.21 | -0.12 | - | 0.29 | - |
| Fats and oils | 0.20 | 0.15 | -0.21 | - | 0.20 | - | 0.15 | 0.11 | -0.24 |
| Nuts and seeds | 0.20 | - | 0.16 | - | 0.19 | -0.27 | - | 0.24 | 0.34 |
| Ice cream | 0.18 | - | - | - | 0.20 | -0.16 | - | 0.33 | -0.47 |
| Fruits | 0.16 | 0.34 | - | - | - | -0.46 | -0.12 | - | -0.33 |
| Vegetables | 0.16 | 0.34 | 0.20 | 0.34 | 0.10 | -0.28 | 0.36 | - | - |
| Legumes | 0.16 | 0.24 | - | 0.10 | 0.11 | -0.19 | 0.14 | - | - |
| Olives | 0.18 | 0.22 | - | — | 0.13 | -0.25 | - | 0.24 | -0.13 |
| Whole bread | -0.10 | 0.20 | 0.29 | 0.32 | - | -0.14 | 0.25 | 0.12 | - |
| Hot drinks | - | 0.19 | - | - | - | - | - | -0.13 | 0.11 |
| Dried fruits | - | 0.18 | - | - | - | -0.21 | - | - | -0.12 |
| Burghol (crushed wheat) | - | 0.18 | - | 0.13 | - | -0.23 | - | -0.10 | -0.15 |
| Starchy vegetables | 0.10 | 0.14 | 0.14 | 0.21 | 0.10 | -0.18 | 0.23 | 0.20 | - |
| Eggs | 0.13 | 0.13 | - | -0.10 | 0.10 | -0.16 | - | 0.23 | 0.12 |
| Fish | 0.14 | 0.10 | 0.39 | - | - | -0.32 | -0.12 | 0.13 | - |
| Alcoholic beverages | - | - | 0.34 | -0.11 | - | -0.10 | -0.13 | - | -0.13 |
| Light soda | - | -0.11 | 0.28 | 0.33 | 0.14 | - | 0.41 | 0.22 | - |
| Low fat dairy products | - | - | 0.28 | - | -0.10 | - | - | -0.13 | 0.27 |
| Mayonnaise | 0.16 | -0.26 | 0.23 | -0.23 | 0.16 | - | -0.24 | 0.11 | - |
| Breakfast cereals | - | - | 0.18 | -0.27 | - | - | -0.27 | 0.10 | 0.31 |
| Turkish coffee | 0.10 | - | -0.13 | 0.17 | 0.12 | - | 0.25 | - | - |
The color gradation denotes the direction of the correlation between the food groups and the dietary patterns. Dark, mild and light green represent the food groups of the Western, Traditional Lebanese and Fish patterns respectively as derived from PCA.
Loadings lower than │0.1│ were deleted for simplicity