Table 2. Average daily frequency of food group consumption (n = 9789).

Food group	Number of times per day
	0	1	2	3	≥4
Staple food items (rice, bread, noodles) (n = 9778)	0.1%	2.9%	10.6%	85.4%	1.0%
Meat	25.1%	63.4%	9.8%	1.5%	0.2%
Fish and shellfish	5.7%	62.9%	24.7%	5.8%	0.8%
Eggs	14.6%	72.2%	10.2%	2.5%	0.5%
Soybean products (tofu, natto)	5.0%	55.2%	27.1%	11.5%	1.2%
Vegetables	0.9%	20.3%	34.3%	41.8%	2.8%
Fruit	10.9%	50.1%	25.7%	11.6%	1.7%
Milk products (milk, yogurt, cheese)	17.3%	57.9%	16.7%	6.6%	1.5%