Table 2.
PCA coefficients for components 1 and 2 for FFQ and diary data
| Component 1 | Component 2 | |||
|---|---|---|---|---|
| Food or food group | FFQ | Diary | FFQ | Diary |
| Rice and pasta | 0.22 | 0.12 | 0.09 | −0.01 |
| White bread | −0.20 | −0.16 | 0.14 | 0.23 |
| Wholemeal bread | 0.26 | 0.28 | 0.05 | −0.10 |
| Quiche and pizza | 0.08 | 0.00 | 0.08 | −0.01 |
| Yorkshire pudding and savoury pancakes | −0.06 | −0.05 | 0.24 | 0.21 |
| Breakfast cereals | 0.06 | 0.17 | 0.08 | 0.04 |
| Cakes and biscuits | −0.02 | 0.16 | 0.26 | 0.17 |
| Puddings | 0.05 | 0.11 | 0.26 | 0.10 |
| Cream | 0.09 | 0.17 | 0.14 | 0.12 |
| Full-fat milk (pints) | −0.15 | −0.13 | 0.19 | 0.24 |
| Reduced-fat milk (pints) | 0.15 | 0.18 | −0.10 | −0.12 |
| Yoghurt | 0.22 | 0.20 | 0.07 | −0.04 |
| Cheese and cottage cheese | 0.21 | 0.21 | 0.03 | 0.15 |
| Eggs and egg dishes | 0.00 | 0.05 | 0.18 | 0.19 |
| Full-fat spread | −0.03 | 0.04 | 0.18 | 0.37 |
| Reduced-fat spread | 0.02 | 0.07 | 0.00 | −0.21 |
| Cooking fats and salad oils | 0.01 | −0.10 | 0.13 | 0.27 |
| Red meat | 0.06 | −0.04 | 0.24 | 0.16 |
| Chicken and turkey | 0.12 | 0.06 | 0.09 | 0.03 |
| Offal | −0.03 | 0.02 | 0.14 | −0.09 |
| Processed meat | −0.03 | −0.05 | 0.27 | 0.10 |
| Fish and shellfish | 0.20 | 0.15 | 0.05 | −0.07 |
| Salad vegetables | 0.30 | 0.22 | 0.04 | 0.02 |
| Green vegetables | 0.22 | 0.20 | 0.09 | 0.15 |
| Root vegetables | 0.17 | 0.17 | 0.09 | 0.02 |
| Other vegetables | 0.27 | 0.24 | 0.10 | 0.12 |
| Tinned vegetables | −0.17 | −0.16 | 0.17 | 0.03 |
| Vegetable dishes | 0.22 | 0.12 | −0.01 | −0.03 |
| Beans and pulses | 0.04 | −0.01 | 0.13 | 0.00 |
| Chips and roast potatoes | −0.11 | −0.22 | 0.22 | 0.21 |
| Boiled potatoes | 0.02 | 0.11 | 0.20 | −0.04 |
| Crisps | −0.15 | −0.05 | 0.16 | 0.23 |
| Crackers | 0.10 | 0.09 | 0.13 | 0.12 |
| Citrus fruit and fruit juices | 0.19 | 0.24 | 0.04 | 0.04 |
| Other fruit | 0.20 | 0.25 | 0.02 | 0.02 |
| Other fruit juices | 0.10 | 0.09 | 0.00 | −0.02 |
| Dried fruit | 0.18 | 0.16 | −0.01 | 0.06 |
| Cooked and tinned fruit | 0.13 | 0.12 | 0.15 | 0.01 |
| Nuts | 0.12 | 0.15 | 0.09 | 0.08 |
| Sugar (teaspoons) | −0.20 | −0.14 | 0.22 | 0.20 |
| Sweet spreads and jam | 0.12 | 0.18 | 0.10 | 0.08 |
| Sweets and chocolate | −0.11 | 0.10 | 0.21 | 0.24 |
| Soft drinks | −0.08 | 0.01 | 0.15 | 0.16 |
| Diet coke | −0.01 | 0.01 | 0.01 | −0.04 |
| Wine | 0.04 | 0.15 | −0.03 | 0.02 |
| Tea and coffee | −0.13 | −0.03 | 0.17 | 0.21 |
| Decaffeinated tea and coffee | 0.10 | 0.13 | −0.03 | −0.11 |
| Hot chocolate drinks | 0.01 | 0.05 | 0.10 | 0.06 |
| Miscellaneous | 0.08 | 0.17 | 0.22 | 0.23 |
|
| ||||
| Percentage of variation explained | 8.7% | 9.6% | 7.2% | 4.7% |
Coefficients of 0.20 or greater in absolute value are highlighted in bold face.