Table 5.

Effects of headache on work environment and work

	M	TTH	M/TTH	HA	p-valuea
Lack of understanding, mean (SD)	2.0 (1.2)	1.4 (0.8)	2.0 (1.1)	1.7 (1.1)	< 0.001
Have difficulty with human relations, mean (SD)	1.5 (0.8)	1.2 (0.5)	1.4 (0.8)	1.3 (0.7)	< 0.001
Burden on others, mean (SD)	1.6 (0.8)	1.2 (0.5)	1.5 (0.8)	1.4 (9.8)	< 0.001
Lack energy, mean (SD)	2.8 (1.0)	1.8 (9.9)	2.7 (0.9)	2.3 (1.0)	< 0.001
Not able to concentrate, mean (SD)	2.8 (1.0)	1.9 (0.9)	2.8 (0.9)	2.3(1.0)	< 0.001

Continuous variables are reported as mean (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

^aOne-way ANOVA