Table 2.

Statistical test results for defecation data.

	Stool amount*a			Stool consistency*b			Defecation frequency*c
	Mean	S.D.	p-value*d	Mean	S.D.	p-value*d	Mean	S.D.	p-value*d
Control 0week	13.650	4.255	0.090	3.173	0.693	0.936	0.557	0.173	0.037
Control 2weeks	16.100	5.263		3.436	0.745		0.650	0.227
Control 4weeks	16.800	6.740		3.612	0.858		0.639	0.285
Kale 0week	13.292	4.220		3.309	0.900		0.550	0.125
Kale 2weeks	16.225	6.427		3.423	0.819		0.654	0.254
Kale 4weeks	19.300	9.099		3.574	0.687		0.700	0.267

^*a Stool amount was determined by counting the number of eggs. ^*b 1. very hard 2. hard 3. somewhat hard 4. normal 5. somewhat soft 6. soft (muddy), and 7. very soft (watery). ^*c Bowel movement count per day. ^*d p-value comparing control_4weeks and kale_4weeks using Wilcoxon signed-rank test. S.D., standard deviation.