Table 4.

Differences regarding presence of anxiety and depression among subjects with and without IBS and/or headache.

Psychiatric	Groups	OR	95% CI	P value
Anxiety	IBS/non-headache vs non-IBS/non-headache	2.86	1.64–4.99	<.001
	Non-IBS/headache vs non-IBS/non-headache	3.58	2.70–4.80	<.001
	IBS/headache vs non-IBS/non-headache	8.62	5.38–13.80	<.001
	IBS/non-headache vs non-IBS/headache	0.80	0.46–1.40	.49
	IBS/headache vs IBS/non-headache	3.01	1.54–5.90	.001
	IBS/headache vs non-IBS/headache	2.41	1.49–3.89	<.001
Depression	IBS/non-headache vs. non-IBS/non-headache	1.70	1.05–2.77	.038
	Non-IBS/headache vs non-IBS/non-headache	2.36	1.87–2.99	<.001
	IBS/headache vs. non-IBS/non-headache	2.29	1.39–3.77	.003
	IBS/non-headache vs. non-IBS/headache	0.72	0.44–1.19	.23
	IBS/headache vs IBS/non-headache	1.35	0.69–2.63	.39
	IBS/headache vs non-IBS/headache	0.97	0.58–1.62	1.00

OR = odds ratio, CI = confidence interval, IBS = irritable bowel syndrome.