However, based on the disability weight given MOH in the study and the high worldwide prevalence, it is speculated that MOH causes a highly significant number of years of life lost to disability. 71 In a recent assessment of direct and indirect costs of headache disorders in Europe, indirect loss due to reduced productivity and absenteeism accounted for about 90% of costs. 2 The individual costs of MOH were higher than those for migraine, and the total national costs for headache disorders in some countries were estimated to be higher for MOH than for migraine.
1
—
—