Table 1. Food items in our study.

Fishery and processed marine products

Dried anchovy, canned tuna, shrimp, squid, Spanish mackerel, saury, hairtail, mackerel

Eggs, milk, meat, and processed meat

Eggs of chickens, milk*, pork, chicken, beef, sausage, ham

Vegetables

Spinach, carrots, onions, cabbage, radish, laver seaweed

Fermented foods

Soybean paste, red pepper paste, salty fermented anchovies, fermented cabbage Kimchi, fermented radish Kimchi, cheese*

^*Daily product (milk and cheese).