. 2006 May 19;16(3):107–116. doi: 10.2188/jea.16.107

Table 2. Comparison of Spearman rank correlation coefficients between nutrient intake assessed with dietary records and food frequency questionnaires calculated using 2 databases.

	Cohort I				Cohort II

	Crude		Energy-adjusted		Crude		Energy-adjusted

	Previous*	Revised^†	Previous*	Revised^†	Previous*	Revised^†	Previous*	Revised^†
	Male
	n=102				n=174
Energy	0.55	0.53	-	-	0.34	0.36	-	-
Protein	0.50	0.45	0.30	0.30	0.29	0.28	0.30	0.31
Total fat	0.31	0.34	0.52	0.55	0.26	0.26	0.57	0.57
Carbohydrate	0.71	0.72	0.56	0.66	0.40	0.47	0.59	0.69
Sodium	0.59	0.53	0.41	0.47	0.29	0.25	0.42	0.32
Potassium	0.52	0.51	0.39	0.49	0.33	0.32	0.49	0.48
Calcium	0.65	0.60	0.43	0.54	0.53	0.56	0.65	0.68
Phosphorus	0.61	0.55	0.37	0.45	0.39	0.37	0.49	0.46
Iron	0.52	0.53	0.49	0.44	0.27	0.33	0.54	0.54
Retinol	0.40	0.40	0.22	0.37	0.37	0.37	0.35	0.43
Alpha-carotene	0.47	0.45	0.47	0.51	0.47	0.44	0.50	0.47
Beta-carotene	0.40	0.37	0.41	0.40	0.40	0.39	0.45	0.46
Vitamin B₁	0.49	0.38	0.40	0.33	0.22	0.28	0.28	0.34
Vitamin B₂	0.54	0.52	0.34	0.41	0.41	0.42	0.55	0.57
Niacin	0.42	0.36	0.35	0.33	0.34	0.37	0.33	0.35
Vitamin C	0.44	0.47	0.42	0.43	0.38	0.39	0.46	0.48
Saturated fatty acid	0.43	0.47	0.61	0.59	0.42	0.40	0.62	0.62
Monounsaturated fatty acid	0.30	0.33	0.50	0.53	0.26	0.23	0.55	0.53
Polyunsaturated fatty acid	0.16	0.18	0.27	0.39	0.17	0.17	0.44	0.47
Cholesterol	0.42	0.42	0.33	0.33	0.44	0.44	0.47	0.50
Water-soluble fiber	0.48	0.34	0.44	0.38	0.44	0.40	0.54	0.55
Water-insoluble fiber	0.51	0.46	0.43	0.43	0.39	0.40	0.56	0.56
Total dietary fiber	0.50	0.42	0.43	0.41	0.41	0.42	0.57	0.57

	Female
	n=113				n=176
Energy	0.44	0.41	-	-	0.22	0.24	-	-
Protein	0.41	0.37	0.27	0.24	0.35	0.34	0.31	0.33
Total fat	0.22	0.20	0.46	0.39	0.31	0.31	0.40	0.46
Carbohydrate	0.56	0.56	0.37	0.45	0.24	0.30	0.39	0.47
Sodium	0.55	0.50	0.48	0.50	0.39	0.32	0.45	0.31
Potassium	0.40	0.35	0.31	0.40	0.40	0.40	0.49	0.50
Calcium	0.53	0.46	0.47	0.45	0.50	0.53	0.64	0.68
Phosphorus	0.49	0.44	0.42	0.44	0.41	0.41	0.54	0.55
Iron	0.41	0.38	0.33	0.38	0.39	0.44	0.51	0.55
Retinol	0.35	0.32	0.43	0.39	0.44	0.42	0.47	0.49
Alpha-carotene	0.46	0.42	0.50	0.48	0.52	0.51	0.52	0.53
Beta-carotene	0.30	0.30	0.32	0.33	0.47	0.48	0.47	0.48
Vitamin B₁	0.31	0.29	0.41	0.32	0.33	0.31	0.32	0.35
Vitamin B₂	0.43	0.35	0.45	0.31	0.46	0.49	0.55	0.58
Niacin	0.27	0.24	0.15	0.11	0.22	0.18	0.22	0.21
Vitamin C	0.31	0.33	0.22	0.30	0.42	0.46	0.44	0.47
Saturated fatty acid	0.26	0.33	0.60	0.55	0.42	0.41	0.51	0.54
Monounsaturated fatty acid	0.13	0.14	0.44	0.36	0.31	0.30	0.37	0.44
Polyunsaturated fatty acid	0.16	0.11	0.24	0.22	0.23	0.22	0.33	0.37
Cholesterol	0.31	0.29	0.35	0.32	0.49	0.46	0.47	0.49
Water-soluble fiber	0.40	0.30	0.36	0.32	0.42	0.45	0.46	0.52
Water-insoluble fiber	0.45	0.39	0.40	0.44	0.44	0.46	0.50	0.54
Total dietary fiber	0.44	0.35	0.40	0.41	0.42	0.46	0.49	0.53

* : The Fourth Revised Edition of the Standard Tables of Food Composition in Japan

† : The Fifth Revised Edition of the Standard Tables of Food Composition in Japan