Table 4 . The effect of diet type on fecal characteristics.

	Fiber	Number	Fecal	Fecal	Stool
Diet	intake	of subjects	mass	mass	frequency	Moisture	Fecal
type*	(g/day)	in study	wet (g/day)	dry (g/day)	(motions per 24 hr)	(%)	pH	References
Omnivore	23	17	153		1			Davies et al. (1986)
Vegetarian	37	17	168		1.2			Davies et al. (1986)
Vegan	47	17	225		1.7			Davies et al. (1986)
Omnivore		14			1.4	73.5		Goldberg et al. (1977)
Vegetarian		14			1.8	73.3		Goldberg et al. (1977)
Omnivore		66	131.9					Lewis and Heaton (1997)
Omnivore	16.6	22	117	30.8		72.6	6.65	Reddy et al. (1998)
Vegetarian	16.2	22	186	36		78.9	6.18	Reddy et al. (1998)
Vegetarian	29.3	18	160	38.4		74.6	6.55	Reddy et al. (1998)
Omnivorea	12	8	129	32.8		74	7	Silvester et al. (1997)
Omnivoreb	11	8	118	32		70.7	7.2	Silvester et al. (1997)
Omnivore	27.3	149	119	27.1	0.9		6.8	Van Faassen et al. (1993)
Vegetarian	40.8	11	189	27.9	1.5		6.8	Van Faassen et al. (1993)

*O: Omnivore, V: Vegetarian, VN: Vegan.^aLow meat diet (68 g/day protein).^bHigh meat diet (192 g/day protein).