Environmental Health and Preventive Medicine

Table 4 Comparison of two FFQs with 12-day-weighed food record and FFQ1 with FFQ2 for energy-adjusted food-group intakes, based on cross-classification by quintile (%) in men and women

From: Reproducibility and validity of food group intake in a short food frequency questionnaire for the middle-aged Japanese population

				Men (n = 143)									Women (n = 145)
	FFQ1 vs FFQ2			DR vs FFQ1			DR vs FFQ2			FFQ1 vs FFQ2			DR vs FFQ1			DR vs FFQ2
	Same category	Same and	Extremecategory	Same category	Same and	Extremecategory	Same category	Same and	Extremecategory	Same category	Same and	Extremecategory	Same category	Same and	Extremecategory	Same category	Same and	Extremecategory
		adjacent			adjacent			adjacent			adjacent			adjacent			adjacent
		category			category			category			category			category			category
Rice	41	90	0	35	75	0	35	78	2	43	86	0	37	76	1	39	77	1
Bread	45	87	1	40	86	1	41	83	1	48	89	0	39	83	1	40	82	1
Noodles	42	78	1	31	71	1	31	73	1	39	81	0	28	61	5	33	71	2
Potatoes	32	70	3	23	58	6	20	56	5	38	72	0	23	64	2	28	62	3
Soybean products	43	85	1	29	59	1	25	66	2	46	79	1	28	65	2	30	66	3
Green vegetables	41	76	1	25	65	2	28	66	3	36	80	1	22	67	3	34	67	3
Other vegetables	34	71	2	28	64	3	20	61	6	41	74	1	21	57	4	26	59	6
Fruit	49	83	1	39	73	2	38	78	1	38	83	1	31	72	2	34	72	3
Mushrooms	36	75	3	27	59	6	32	64	6	41	79	1	23	65	3	31	60	6
Seaweeds	31	71	4	28	66	6	22	69	6	32	70	3	19	61	7	27	63	6
Fish	35	80	1	28	59	4	36	73	2	49	81	1	34	68	0	31	72	0
Meat	42	78	3	22	59	2	27	63	3	40	80	1	27	65	3	27	64	5
Eggs	50	87	0	29	65	1	30	63	2	50	79	0	27	65	3	30	72	3
Milk	51	90	1	43	85	0	50	87	0	61	92	0	39	75	1	39	79	1
Oils	36	76	1	23	63	4	26	67	3	35	75	1	27	63	5	35	68	6
Confectionery	42	81	1	28	67	1	29	63	2	34	69	3	28	60	8	30	66	3
Green tea	51	85	1	39	78	1	48	83	1	54	86	1	39	80	1	41	79	1
Coffee	45	90	1	34	72	1	36	76	1	62	90	1	32	70	2	36	77	1
Alcoholic beverages	55	94	0	39	78	0	34	78	0	54	90	0	46	86	1	39	81	1
Soybean paste	45	86	1	40	76	1	40	75	1	43	81	2	35	77	1	40	81	1
Median	42	81	1	29	67	1	31	69	2	41	80	1	28	65	2	33	71	3
Range	(31–55)	(70–94)	(0–4)	(22–43)	(58–86)	(0–6)	(20–50)	(56–87)	(0–6)	(32–62)	(69–92)	(0–3)	(19–46)	(57–86)	(0–8)	(26–41)	(59–82)	(0–6)

The residual method was performed to adjust the energy intake. FFQ: 47-item short food frequency questionnaire, DR: four non-consecutive 3-day weighed dietary records at intervals of 3 months (12 days)

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