Disability, quality of life, productivity impairment and employer costs of migraine in the workplace

Table 1 Headache classification

	M	TTH	M/TTH	HA	NHA	Total	p-value
Number, n (%)	328 (13)	1300 (53)	88 (4)	360 (15)	382 (15)	2458
male, n	205	1093	61	265	339	1963
female, n	123	207	27	95	43	495
Age (years), mean (SD)	44.5 (8.6)	46.9 (8.7)	45.5 (8.3)	44.2 (9.6)	46.0 (10.8)		< 0.001^a
BMI (kg/m²), mean (SD)	23.0 (3.7)	23.7 (3.7)	23.4 (3.7)	23.2 (3.5)	23.5 (3.6)		0.049^a

Continuous variables are reported as mean (standard deviation [SD]) for non-missing observations
M migraine group, TTH tension-type headache group, M/TTH a group that satisfies the diagnostic criteria for migraine and tension-type headache, HA a group that does not meet the diagnostic criteria for migraine or tension-type headache, NHA a group that does not have headache, BMI body mass index
^aOne-way ANOVA

ISSN: 1129-2377