Table 1.

Occupation and income, comparison between patients with EH and CH

	EH n = 249		CH n = 169		Chi2	p
	n	%	n	%
Occupation, missing data: 23
Employee	168	70.6	79	49.4
Housewife/househusband	5	2.1	13	8.1
Student	28	11.8	17	10.6
Unemployed	11	4.6	24	15.0
Retired	26	10.9	27	16.9	29.0	<0.0001
Income, missing data: 49
<1500 Euro/month	105	44.9	103	65.2
1500–3500 Euro/month	115	49.1	48	30.4
>3500 Euro/month	14	6.0	7	4.4	17.2	0.018

EH, Episodic headache, CH, Chronic headache