Table 1 Content validity: changes applied to food preferences questionnaire (FPQ).
Removed food items | Added food items | Changed food items | |
|---|---|---|---|
Item format in the FPQ-62 | Item format in the Persian-FPQ | ||
Bacon | White meat burger (chicken-fish) | White fish (e.g. cod, haddock), oily fish (e.g. mackerel, kippers) | Low-fat fish (such as kilka fish, milk fish, shourideh, halva, serkhu, tilapia), fatty fish (such as salmon, salmon, sardines, mackerel) |
Hummus | Grapefruit, tangerine, sweet lemon, grape, watermelon, dew melon, cantaloup, yellow plum, cherry, sour cherry, sour green plum, mulberry, pomegranate, fig, persimmon, kiwi | Baked beans | Baked legumes (such as lentils, beans, chickpeas, mung beans and cobs) |
Butter-like spreads (e.g. sunflower spread, flora) | Onion, garlic, green pepper, bell pepper, peas, turnip | Bread or bread rolls | Traditional bread without bran (such as lavash bread, tufton bread, berberi bread), traditional wholemeal bread (like Sangak), Baguette bread without bran (such as hamburger bread), Wholemeal baguette bread |
Tomato paste, ketchup, margarine | Sugared cereal (e.g. frosties, sugar puffs), wheat cereal (e.g. weetabix, shredded wheat), rice or corn cereal (e.g. corn flakes, rice krispies) | Breakfast cereal | |
Plain low-fat milk, plain full fat milk, types of milk (such as cocoa milk, banana milk, carrot milk, coconut milk, …), full fat yogurt | Soft cheese (e.g. camembert, brie), hard cheese (e.g. cheddar), cottage cheese | Cream cheese (such as mascarpone cheese), Traditional cheese (such as Lighvan cheese, Talash), Iranian white cheese, Other cheeses (such as Parmesan cheese, mozzarella, blue cheese, Camembert, Gouda) | |
Lentil soup, Haleem | Crisps | Salty snacks (such as puffs, chips, crisps) | |
Rice and beans | Chewy gummy sweets (e.g., Haribo-style sweets, wine gums) | Chewable jelly chocolates (such as pastilles, jelly dragees) | |