Table 2 PCA coefficients for the 20 indicator food groups included in the 20-group diet quality score
Food group | Principal Component Coefficient |
|---|---|
Positive Coefficients | |
 Other fruit not canned | 0.28 |
 Nuts and seeds | 0.24 |
 Salad and other raw vegetables | 0.23 |
 Tap water only | 0.21 |
 Wholemeal bread | 0.20 |
 Apples and pears not canned | 0.19 |
 Other vegetables (including homemade dishes) | 0.18 |
 Beans and pulses (including ready meals and homemade dishes) | 0.17 |
 Leafy green vegetables not raw | 0.16 |
 Tomatoes (raw) | 0.16 |
Negative Coefficients | |
 Sugar | −0.03 |
 Baked beans | −0.04 |
 Whole milk | −0.04 |
 Crisps and savoury snacks | −0.05 |
 White bread | −0.06 |
 Meat pies and pastries (manufactured) | −0.06 |
 Burgers and kebabs purchased | −0.10 |
 Manufactured coated chicken/turkey products | −0.13 |
 Chips, purchased including takeaway | −0.17 |
 Soft drinks not low calorie, carbonated | −0.18 |