Table 3.

Age-adjusted Associations between Pattern of Alcohol Intake and GI Symptoms in IBS Patients and Controls

GI symptom	Prior Day's Alcohol Intakea
	IBS patients (n = 143)						Controls (n = 43)
	1		2-3		4+		1		2-3		4+
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Abdominal Pain	0.9	0.7-1.1	1.0	0.7-1.3	1.3	0.8-2.2	0.8	0.3-2.1	0.7	0.2-1.8	0.6	0.2-1.5
Bloating	0.9	0.7-1.2	1.2	0.9-1.8	1.2	0.7-2.2	0.9	0.5-1.7	0.8	0.4-1.7	0.9	0.4-2.2
Intestinal gas	1.1	0.8-1.4	1.5	0.9-2.5	1.3	0.8-2.1	0.9	0.5-1.9	1.0	0.4-2.5	0.7	0.2-2.4
Constipation	1.1	0.8-1.5	1.2	0.8-1.6	1.2	0.6-2.1	1.2	0.6-2.4	1.2	0.5-2.8	0.4	0.1-1.3
Diarrhea	1.0	0.7-1.4	1.3	0.9-1.9	2.1	1.2-3.5	0.9	0.5-1.5	0.6	0.2-1.4	1.2	0.4-4.2
Nausea	0.8	0.6-1.0	1.2	0.9-1.7	2.4	1.2-4.8	0.7	0.3-1.6	0.8	0.3-1.7	0.5	0.1-2.4
Stomach pain	1.1	0.8-1.3	1.4	1.0-1.9	2.1	1.2-3.7	1.0	0.4-2.4	0.5	0.2-1.4	0.4	0.1-1.2
Heartburn	1.0	0.8-1.4	1.4	1.0-2.1	1.1	0.6-2.1	0.4	0.1-1.2	0.2	0.1-0.8	0.5	0.1-2.3
Indigestion	1.1	0.8-1.5	1.5	1.1-2.3	2.0	1.1-3.6	1.2	0.5-3.1	0.9	0.3-2.8	1.0	0.1-6.5

^aCategories of alcohol use in drinks/day; referent category of 0 alcohol-containing drinks