n	%	Males (n=6)		Females (n=94)
	total	total	n	%	n	%	p
a) Straining during at least 25% of defecations	84	20.2	11	9.2	73	24.7	0.001
b) Lumpy or hard stools in at least 25% of defecations	124	29.9	25	21	99	33.4	0.012
c) Sensation of incomplete evacuation in at least 25% of defecations	84	20.2	12	10.1	72	24.3	0.001
d) Sensation of obstruction/blockage in at least 25% of defecations	46	11.1	5	4.2	41	13.9	0.005
e) Manual maneuvers to facilitate at least 25% of defecations	30	7.2	2	1.7	28	9.5	0.006
f) Fewer than three defecations per week	56	13.5	6	5	50	16.9	0.001
Two or more criteria met	110	26.5	15	12.6	95	32.1	<0.001
Loose stools rarely present without the use of laxatives	123	29.6
Symptoms of irritable bowel syndrome	50	12.6

Frequency of Roma III criteria met by subjects with self-reported constipation (n=100)