Table 1. Food groups used in the factor analysis .

Food items	Subgroups
1- Refined grains	Lavash bread(Iranian bread), Baguette, Rice, Macaroni
2- Whole grains	Iranian dark Bread (Barbari, Sangak, Taftoon), Barley, Bulgur
3- High-fat dairy	High-fat milk, high-fat yogurt, cream cheese, cream and butterfat, ice cream
4- Low-fat dairy	Low-fat milk, Low-fat yogurt, White cheese, curd, Dough
5- Visceral Meat	Heart, liver, tongue, brain, chest and pancreas and abdomen
6- Red Meat	Beef, lamb, minced meat
7- Poultry	Chicken
8- Egg	Egg
9- Cruciferous vegetables	Cauliflower, cabbage
10- Yellow vegetables	Carrots
11- Green leafy vegetables	Spinach, Lettuce
12- Other vegetables	Tomatoes, Cucumber, Eggplant, Onion, Green Pea and Beans, Pumpkin, Mushrooms, red and green Peppers, turnip, Corn and maize, Garlic
13- Potatoes	Boiled and fried potatoes
14- Fruits	Pears, apricots, cherries, apples, raisins or grapes, bananas, cantaloupe, watermelon, oranges, grapefruit, kiwi, strawberries, peaches, nectarine, tangerine, mulberry, plums, persimmons, pomegranates, lemons, pineapples, fresh figs and dates
15- Legumes	Chickpeas, lentils, beans, peas, soybeans
16- Non-hydrogenated fats	Vegetable oils (except for olive oil)
17- Hydrogenated fats	All types of Solid oil, Animal oil, Animal butter, Margarine
18- Olive	Olives, olive oil
19- Nuts	Almonds, Peanuts, Walnuts, Pistachio, Hazelnuts, Seeds
20- Salt	Salt
21- Fast foods	Pizza, Sandwich, Sausage, Hamburger
22- Snacks	Puff, Chips
23- Sweets and desserts	All types of Sweets, Chocolates, Cakes, and muffins
24- Sugars	Sugars, chocolates, candies, Gaz (an Iranian confectionery made of sugar, nuts, and tamarisk), Sohan
25- Tea	Tea
26- Coffee	Coffee, Nescafe
27- Honey or jam	honey or jams
28- Ketchup	Ketchup
29- Mayonnaise	Mayonnaise
30- Fishes	Any fish
31- Soft drinks	Soft drinks
32- The Broth	Broth
33- Pickle	Any Pickle
34- Tuna	All types of Canned fish