Burden and costs of migraine in a Swedish defined patient population – a questionnaire-based study

Table 3 Mean quality of life a day with migraine and a day without migraine

	Day without migraine	Day with migraine	Difference	p-value^c
EQ-5D
All	0.786 (0.219)	0.422 (0.337)	0.364 (0.318)	< 0.001
All	N = 630	N = 630
Observable^a	0.790 (0.190)	0.619 (0.229)	0.171	< 0.001
Observable^a	N = 454	N = 176
Retrospective^b	0.775 (0.253)	0.346 (0.341)	0.429	< 0.001
Retrospective^b	N = 176	N = 454
EQ-VAS
All	0.671 (0.209)	0.394 (0.210)	0.276 (0.248)	< 0.001
All	N = 630	N = 630
Observable ^a	0.677 (0.189)	0.496 (0.215)	0.181	< 0.001
Observable ^a	N = 454	N = 176
Retrospective ^b	0.655 (0.253)	0.355 (0.240)	0.300	< 0.001
Retrospective ^b	N = 176	N = 454

^aDay without migraine = Respondents reporting not having migraine when completing the questionnaire. Day with migraine = Respondents reporting having migraine when completing questionnaire
^bDay without migraine = Respondents reporting having migraine when completing questionnaire, asked to report for last day without migraine. Day with migraine = Respondents reporting not having migraine when completing the questionnaire, asked to report for last day with migraine
^cT-test