Time trends in the prevalence of headache disorders. The Nord-Trøndelag Health Studies (HUNT 2 and HUNT 3)
- 1 December 2010
- journal article
- Published by SAGE Publications in Cephalalgia
- Vol. 31 (5), 585-596
- https://doi.org/10.1177/0333102410391488
Abstract
Earlier reports regarding secular trends of migraine are conflicting, and there is a lack of long-term follow-up studies of other headache syndromes among adults. The aim of the present study was to assess any changes in the prevalence of the major headache types in a large adult population. With an 11-year interval, all inhabitants aged ≥20 years ( n = 92,566 and 94,194) in the Norwegian county of Nord-Trøndelag were invited to participate in two cross-sectional surveys. Attendance rates were 56% and 42%. The age-adjusted 1-year prevalences, according to the diagnostic criteria of the International Headache Society, sex-ratios and attack frequencies were assessed. The migraine prevalence increased from 12.1% to 13.2% ( P < 0.001), but the sex ratio did not change. The prevalence of non-migrainous headache overall decreased (26.0% vs 24.2%; P < 0.001). The prevalences of ‘headache suffering’ (37.4%), chronic daily headache (2.5%) and medication overuse headache (1.0%) remained stable. Apart from a small increase of migraine, headache prevalences remained essentially stable among adults in a Norwegian county during an 11-year period.Keywords
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