Table 4. Daily intakes of dietary fiber assessed with dietary record and FFQ, and their Spearman correlation coefficients.

	Dietary record (g)1				FFQ (g)				% difference2		Spearman correlation coefficient
	Mean	±	SD	Median	Mean	±	SD	Median		p-value3	Crude	Energy-adjusted	Area-adjusted	Energy and area-adjusted
Men (n=102)
Water-soluble	2.1	±	0.7	2.1	2.3	±	1.5	2.0	10%	0.415	0.48	0.44	0.39	0.44
Water-insoluble	10.6	±	2.7	10.4	10.3	±	5.4	9.5	-4%	0.053	0.51	0.43	0.39	0.42
Total	15.2	±	3.8	14.7	14.6	±	7.5	13.6	-4%	0.060	0.50	0.43	0.36	0.45
Women (n=113)
Water-soluble	2.1	±	0.7	2.0	2.7	±	2.0	2.2	28%	0.003	0.40	0.36	0.30	0.37
Water-insoluble	10.0	±	2.8	9.6	11.3	±	7.4	9.5	13%	0.458	0.45	0.40	0.35	0.43
Total	14.5	±	4.0	14.4	16.1	±	10.3	14.1	11%	0.797	0.44	0.40	0.33	0.44

¹Based on two consecutive 7-day records in Ishikawa PHC area and four consecutive 7-day records in the other 3 areas.

²(FFQ - DR)/DR (%).

³Signed rank test.