• Ahmed H Seddik, Jennifer C Branner, Dennis A Ostwald, Sara H Schramm, Martin Bierbaum, and Zaza Katsarava.
• WifOR Institute, Darmstadt, Germany.
• Cephalalgia. 2020 Dec 1; 40 (14): 1551-1560.

BackgroundThis study estimates the socioeconomic impact of migraine headaches on paid and unpaid work productivity in the adult German population in 1 year.MethodsWe used data on headache frequency (days per month) from a longitudinal population-based study. Prevalence estimates of migraine were derived from the Global Burden of Disease Collaborative Network. Demography data were derived from official statistics in 2017. Aggregate headache days in 1 year were translated to losses in paid and unpaid productive hours based on estimates of presenteeism and absenteeism along with other socioeconomic parameters. Paid hours lost were distributed across the industry sectors. In this way, an age-, gender- and industry sector-specific monetary value was calculated for paid hours lost. Unpaid hours lost were valued by assigning the unpaid activities to their nearest market substitute. In a last step, value-added multipliers derived from input-output tables were used to calculate the economic value chain effects.ResultsA total of 15.5 million persons (20 years or older) suffer from migraine in Germany. Our analysis shows that 60% of those have three or fewer headache days per month, while patients suffering chronic migraine (15+ headache days per month) account for 5.4% of the adult migraine population. Females bear 65% of the total 836 million headache days per year. The socioeconomic losses due to migraine amount to €100.4 billion (€6493 on average per patient) in one year.ConclusionIn addition to time losses in paid work, migraine causes substantial socioeconomic losses to unpaid work activities due to its disproportionate prevalence among females. Economic value chain effects provide a novel perspective on losses beyond a patient's time loss. Overall, the elements of socioeconomic burden provide a strong rationale that innovative migraine therapies could be of high value to society.

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