Table 3.

Multivariate analysis on factors that influenced anxiety and depression scores of patients with irritable bowel syndrome

	Anxiety		Depression
	Regression Coefficient(95%CI)	P value	Regression Coefficient(95%CI)	P value
Male	reference		reference
Female	0.241(− 0.530, 1.012)	0.539	0.673(− 0.184, 1.529)	0.123
Age	− 0.026(− 0.054, 0.003)	0.084	− 0.007(− 0.039, 0.024)	0.644
IBS overlap
IBS only	reference		reference
IBS + FD	0.929(−0.071, 1.929)	0.069	1.245(0.134, 2.357)	0.028
IBS + FD + BD/FH	0.345(−0.652, 1.342)	0.497	0.407(−0.702, 1.515)	0.471
IBS + BD/FH	−0.532(−1.690, 0.625)	0.366	− 0.069(− 1.356, 1.218)	0.916

Abbreviations: IBS irritable bowel syndrome, FD functional dyspepsia, BD belching disorders, FH Functional heartburn, BD/FH BD and/or FH, IBS-U unsubtyped IBS, IBS-D IBS with diarrhea, IBS-C IBS with constipation, IBS-M mixed IBS