Table 1.

Gender, depression, anxiety and headache diagnoses in patients with EH and CH

	EH (n = 232)		CH (n = 160)
	Patients		Patients		Chi2	p
	n	%	n	%
Sex
Female	198	84.1	112	71.9	13.5	<0.0001
Male	34	15.9	48	28.1
Anxiety
Missing data: 9
Yes	78	34.1	83	53.9	14.9	<0.0001
No	151	65.9	71	46.1
Depression
Missing data: 19
Yes	51	22.8	65	43.6	18.2	<0.0001
No	173	77.2	84	56.4
Anxiety and/or depression
Missing data: 14
Yes	92	40.7	97	63.8	19.4	<0.0001
No	134	59.3	55	36.2
Headache diagnosis
Migraine	199	85.8	69	43.1	79.7	<0.0001
Tension-type HA	27	11.6	22	13.8		ns
Other HA	6	2.6	4	2.5		ns
pMOH	-	-	65	40.6		na

EH episodic headache, CH chronic headache, pMOH probable medication overuse headache, ns not significant; na not applicable