Table A1.

Food groups in the factor analysis.

Food or food groups	Foods included in the group
Wheat and rice	Rice, steamed bread, wheat flour noodles, etc.
Other cereals and tubers	Millet, buckwheat, corn, sweet potato, etc.
Fried cereal food	Fried dough stick, fried cake, fried chips, instant noodles, etc.
Legumes	Soybeans, and products
Vegetables	Cabbage, eggplant, carrot, lettuce, tomato, cauliflower, etc.
Fungi and algae	Mushroom, kelp, laver
Fruits	Berries, citrus, kernel fruit, etc.
Milk	Milk and products
Red meat	Pork, beef, goat, lamb
Meat products	Ham sausage, et al.
Poultry	Chicken, duck, goose
Aquatic products	Fish, shrimp, crab, shellfish
Eggs	eggs
Nuts	Peanuts, walnuts, etc.
Cakes and snacks	Cookies, cakes, candied fruit, chocolates, Ice cream, etc.
Fresh fruit and vegetable juice	Freshly squeezed fruit juices and vegetable juices
Sugary beverages	Carbonated drinks, Prepackaged juice, Sweetened milk beverage, Sweet tea beverage, etc.
Coffee and tea	Coffee, tea