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Table 1 Food groups used in the dietary pattern analysis

From: Dietary patterns and the risk of Alzheimer’s disease in an elderly Iranian population: a case–control study

Food groups

Food items

Fast foods

Sausage, bolonga, hamburger, pizza

Red meat

Beef, veal, lamb, mince meat

Poultry & fish

Chicken, canned tuna, any type of fish

Eggs

Egg

Low fat dairy

Buttermilk, low-fat milk, plain yogurt

High fat dairy

Whole milk, whole milk yogurt, cocoa milk, condensed yogurt, cream, ice creams(traditional and non-traditional), cheese, cream cheese, Kashk

Coffee and tea

Coffee, tea

Fruits, fruit juices, and dried fruits

Dried and fresh Apricots, cantaloupe, tangerines, cherries, persimmons, oranges, fresh and dried peaches, apples, grapes, bananas, watermelons, melons, kiwis, strawberries, pomegranates, lemons, limes, fresh and dried berries, fresh and dried figs, pears, nectars, grapefruit, plums (yellow and red), Cantaloupe juice, apple juice, orange juice, lemon juice, dates, raisins, other dried fruits

Synthetic fruit juice

Packaged fruit juice, cola and other soft drinks

Vegetable

Lettuce, zucchini, carrots, cabbage, belly pepper, spinach, turnips, cucumber, eggplant, celery, garlic, onion, mushroom, green pepper, tomatoes, green leafy vegetables

Starchy vegetable

Corn, maize, green peas, green beans

Legumes

Lentils, beans, chickpeas, split peas, mung beans, soybeans

Whole grains

Oatmeal or cooked grits

Refined grains

Bread (Lavash, Barbari, Sengak, Baguette, Tufton), pasta, rice, noodles, Reshteh (Persian noodle), vermicelli

Potato

Baked potatoes, French fries

Nuts

Peanuts, almonds, pistachios, hazelnuts, walnuts, seeds

Olives

Green olives, olive oil

Sweets

Chocolate, cakes, cookies, creamy pastries, Persian Halva

Snacks

Biscuits, crackers, cheese curls, chips

Solid fats

Butter, margarine, animal oil, solid vegetable oil, mayonnaise

Vegetable oil

Liquid oils other than olive

Sugar and sweet substances

Sugar, Noghle, Shekarpanir, Nabat, candies, Gaz, Sohan, Halva shikari, honey, All kinds of jams, fruit compote

Spices and seasonings

All kinds of spices, ketchup

Salt

Salt

Pickles

Different kinds of pickles