Table 5. Comparison of 2nd food frequency questionnaire with weighed dietary record for 12 days for frequency on joint classification by five categories. (%).

Foods /Beverages	Same category	Adjacent category	Reversal category
Japanese green tea	59	87	6
Chinese tea	57	84	2
Milk	48	87	1
Black tea	48	84	0
Chicken	47	95	0
Beef	45	96	0
Pork (excluding ham or sausage)	44	98	0
Butter	43	85	0
Margarine	43	81	0
Carrot or pumpkin	42	92	0
Algae (seaweeds)	40	94	0
Coffee	40	80	0
Fried vegetables	40	76	0
Fresh fish	39	93	0
Cheese	38	86	1
Eggs	37	95	0
Cabbage or head lettuce	37	90	0
Ham or sausage	37	88	0
Tofu (soybean curd)	36	90	1
Fungi (enokidake, shiitake mushroom)	35	93	0
Kamaboko (fish paste)	35	83	0
Pickles	34	82	0
Deep-fried foods or tempura	34	81	0
Preserved foods using soy sause	33	73	0
Fruits (excluding citrus variety)	32	90	0
Sweets	30	80	1
Dried fish or salted fish	30	79	0
Citrus fruits	30	76	0
Fresh fruits juice (in summer)	29	60	0
Spinach or garland chrysanthemum	27	86	0
Tomatoes	27	82	0
Chinese cabbage	27	72	1
Potatoes	26	88	0
Yogurt	24	70	0
Boiled beans	24	66	1
Edible wild plants	17	58	0
Liver	5	65	0
Mean	36	83
Median	36	84