Table 2 Factor loadings for the six major dietary patterns among participants

Poultry (chicken, duck, goose)

0.744

Fish (sea fish, fresh water fish)

0.741

Livestock (pork, beef, lamb)

0.688

0.230

Seafood (shrimp, crab, squid, fish viscera, spawn)

0.594

0.327

0.257

Streaked meat (fatty meat)

0.519

Sashimi (sliced fresh fish meat)

0.464

0.308

Smoked meat (smoked chicken, smoked pork, smoked sausage, smoked bacon, smoked hot dog)

0.664

Fried food

0.604

0.261

Internal organ (liver, heart, kidney, colon, intestine)

0.433

0.564

0.313

Processed meat (sausage, bacon, cured meat, ham, pork floss)

0.321

0.559

0.262

Soybeans (dried tofu)

0.731

Soybeans (soybean milk)

0.639

Mushrooms

0.647

Fruit

0.207

−0.246

0.531

Vegetables

−0.305

0.392

−0.248

Sugar (e.g., candy)

0.630

0.234

Sweets (e.g., cake, sweet bun)

0.614

Beverage

0.373

0.469

Fermented food (e.g., miso)

0.767

Pickled food (e.g., kimchi)

0.703

Eggs

0.234

0.274

0.220

0.247

Coffee

0.273

Milk (low fat)

−0.228

Milk (skim fat)

−0.221

Eigenvalue

3.010

2.161

1.996

1.607

1.531

Variance explained (%)

11.15

8.01

7.39

5.95

5.67