Table Food groups, preparation forms and sub-items in the NORBAGREEN FFQ

From: Validity and reproducibility of the NORBAGREEN food frequency questionnaire

Food group/category

Item

Vegetables

Total

 Preparation forms (6 items)

Fresh, on bread, boiled/canned, fried, dishes, juice

 Individual items (19)

Carrot, rutabaga, red beet, cabbage, cauliflower, broccoli/Brussels sprouts, lettuce, tomato, cucumber, sweet pepper, spinach, avocado, radish, pumpkin/zucchini/aubergine, onion/leek/garlic, rhubarb, peas/corn/mixed vegetables (fresh/frozen), pulses, mushrooms (any kind)

Fruit

Total

 Preparation forms (4)

Fresh/frozen, canned, juice, dried

 Individual items (14)

Citrus fruits, banana, apple, pear, peach/nectarine/apricot, kiwi, melons, plums/cherries, grapes, pineapple, strawberries, raspberries/blackberries, currants/gooseberries, blueberries/lingonberries/cranberries

Potatoes

Total

 Preparation forms (3)

Boiled/baked, mashed, fried/French fries

Fish and shellfish

Total

 Sub-items (2)

Main dish, side dish/on sandwich/in salad

Bread

Total

 Type (3)

Fibre content: >6/100 g (or >3 g per slice), 3–6/100 g (or 1.5–3 g per slice, <3/100 g (or <1.5g per slice)