TABLE 4.

Distribution of intake of selected Japanese foods, miso soup and sodium stratified by cancer site and stage

	Stomach			Colon			Rectum
	Stage 0‐Ⅱ	Stage Ⅲ‐Ⅳ	P a	Stage 0‐Ⅱ	Stage Ⅲ‐Ⅳ	P	Stage 0‐Ⅱ	Stage Ⅲ‐Ⅳ	P
Fresh fish
Never or 1‐2 times per month	8.3	10.4	.44	8.3	5.5	.21	11.0	9.0	.40
1‐2 times per week	36.2	34.1		31.7	33.8		34.5	35.1
3‐4 times per week	36.3	34.8		37.8	42.4		39.2	35.1
Every day	19.1	20.6		22.3	18.3		15.3	20.7
Dried fish
Never or 1‐2 times per month	39.6	41.0	.74	41.0	41.8	.60	42.5	42.7	.20
1‐2 times per week	43.0	40.2		44.5	40.4		45.0	38.6
3‐4 times per week	14.2	14.9		11.5	13.8		9.9	16.4
Every day	3.2	3.9		3.0	4.0		2.6	2.3
Seaweeds
Never or 1‐2 times per month	11.4	13.1	.37	11.3	12.0	.70	15.5	15.7	.59
1‐2 times per week	37.0	39.9		33.3	34.7		33.8	34.6
3‐4 times per week	33.8	31.5		35.1	30.9		33.8	37.3
Every day	17.8	15.5		20.3	22.3		16.9	12.4
Japanese pickles
Never or 1‐2 times per month	18.8	22.0	.34	20.2	16.0	.22	22.0	17.4	.57
1‐2 times per week	19.9	21.3		17.6	21.2		22.4	25.0
3‐4 times per week	23.0	20.8		24.6	21.2		22.0	25.0
Every day	38.3	35.9		37.6	41.5		33.6	32.6
Soy food
Never or 1‐2 times per month	5.0	4.0	.01	4.3	1.7	.13	4.0	4.8	.92
1‐2 times per week	17.0	22.7		15.1	18.6		18.6	20.4
3‐4 times per week	31.7	36.7		29.0	31.2		31.1	29.6
Every day	46.2	36.7		51.5	48.5		46.3	45.2
Miso soup (including data for intake per day)
Never or 1‐2 times per month	3.3	5.1	.04	5.1	3.6	.40	2.8	5.1	.30
1‐2 times per week	5.9	7.1		5.4	6.5		8.5	8.4
3‐4 times per week	11.7	14.0		11.6	12.7		16.2	12.4
Every day (≤1 bowl per day)	21.7	25.1		19.7	25.0		20.5	27.5
Every day (1‐2 bowls per day)	29.6	26.0		34.9	33.0		30.0	24.7
Every day (>2 bowls per day)	27.9	22.8		23.3	19.2		21.9	21.9
Quartile of sodium intake per day
1 (low)	24.7	25.8	.06	23.9	26.9	.06	25.9	25.1	.41
2	23.3	29.3		28.7	19.4		22.9	28.2
3	26.1	22.7		23.4	26.5		27.8	21.5
4 (high)	25.8	22.2		24.1	27.3		23.3	25.1

^aχ² test for comparing frequencies between stages 0‐Ⅱ and Ⅲ‐Ⅳ.