Table 4.

Associations between individual gastrointestinal symptoms and chronic constipation (CC) status [OR, (95% CI)]

	Persistent CC vs. no CC	Non-persistent CC vs. no CC	Persistent CC vs. Non-persistent CC	p-value†
Mucus+	3.1 (1.8,5.4)	1.8 (1.4,2.4)	1.7 (1.0,3.1)	<0.01
Bloating+	4.4 (2.8,6.9)	3.1 (2.5,3.8)	1.4 (0.9,2.2)	<0.01
Abdominal pain+	1.7 (1.1,2.7)	2.0 (1.6,2.4)	0.9 (0.5,1.4)	<0.01
Pain severity+
mild	1.5 (0.7,3.1)	2.0 (1.5,2.7)	0.7 (0.4,1.5)	<0.01
Moderate	1.9 (1.2,3.2)	2.1 (1.7,2.6)	0.9 (0.5,1.5)	<0.01
severe/very severe	1.0 (0.3,3.1)	1.5 (1.0,2.3)	0.6 (0.2,2.2)	0.17
Urgency+	0.8 (0.4,1.5)	1.3 (1.1,1.7)	0.6 (0.3,1.1)	0.04
Pain frequency+
< 1/week	1.6 (1.0,2.6)	1.8 (1.5,2.2)	0.9 (0.5,1.5)	<0.01
≥ 1/week	2.1 (1.1,4.0)	2.6 (1.9,3.4)	0.8 (0.4,1.6)	<0.01
Any blood in stool+	3.2 (1.4,7.1)	2.8 (1.9,4.0)	1.1 (0.5,2.6)	<0.01
More than 3 BMs/day+	1.2 (0.5,3.0)	1.2 (0.8,1.8)	1.0 (0.4,2.6)	0.60
Loose BM+	0.3 (0.1,0.8)	1.0 (0.8,1.2)	0.3 (0.1,0.8)	0.04
More BM w/pain+	0.4 (0.2,0.9)	1.0 (0.8,1.3)	0.4 (0.1,0.9)	<0.01

^†From logistic regression models, overall test for the three constipation subgroups.

⁺models adjusted for age and gender

BM = bowel movement