Table 2.

univariate and multivariate analysis of risk factors and demographic features associated with irritable bowel syndrome

	Unadjusted OR (95% CI)	p-value	Adjusted OR (95% CI)	p-value
Depression	4.749 (2.017-11.182)	0.000	4.749 (1.809-12.470)	0.002
Anxiety	1.813 (0.809-4.064)	0.145	1.000 (0.390-2.561)	1.000
Gender	0.742 (0.332-1.657)	0.466	-
Ethnicity (Chinese/non-Chinese)	0.922 (0.703-1.652)	0.852	-
Poor sleep quality	1.545 (0.682-3.504)	0.295	-
Year of study (Fourth/fifth Year)	0.961 (0.565-2.876)	0.558	-