Fig. 4From: Clinical characteristics, medication use, and impact of primary headache on daily activities: an observational study using linked online survey and medical claims data in JapanMS-QOL (A) and WPAI (B). Abbreviations: MS-QOL; migraine-specific quality of life; WPAI, Work Productivity Activity Impairment; SD, standard deviation. Notes: 1The number of individuals with responses examined were 605, 1293, 20, and 4627 individuals with migraine, tension-type headache, cluster headache, and other headaches, respectively for all variables, except activity impairmentBack to article page