Table 1 Content validity: changes applied to food preferences questionnaire (FPQ).

From: Validity and reliability of the Persian version of food preferences questionnaire (Persian-FPQ) in Iranian adolescents

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)