Cardiovascular fitness and risk of migraine: a large, prospective population-based study of Swedish young adult men.

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ID: 30883
2019
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Abstract
To examine the longitudinal relationship between cardiovascular fitness in young adult men and future risk of migraine and to estimate eventual differential effects among categories of body mass index (BMI) and blood pressure.National, prospective, population-based cohort study.Sweden 1968-2014.18-year-old Swedish men (n=1 819 828) who underwent mandatory military conscription examinations during the years 1968-2005.The primary outcome was the first dispensation of prescribed migraine-specific medication, identified using the Swedish Prescribed Drug Register. The secondary outcome was documented migraine diagnosis from the Swedish National Hospital Register.During follow-up, 22 533 men filled a prescription for migraine-specific medication. After confounding adjustment, compared with high cardiovascular fitness, low and medium fitness increased the risk of migraine-specific medication (risk ratio (RR): 1.29, 95% CI 1.24 to 1.35; population attributable fraction: 3.6%, 95% CI 1.7% to 5.3% and RR: 1.15, 95% CI 1.12 to 1.19; population attributable fraction: 8.0%, 95% CI 4.0% to 11.7%). To assess potential effect measure modification, stratified analyses of these association by levels of BMI and blood pressure showed that lower fitness levels increased risk of migraine across all groups except among underweight men or men with high diastolic blood pressure.Young men with a lower cardiovascular fitness had a higher long-term risk of developing pharmacological prescription-requiring migraine. This study contributes with information regarding risk factors for migraine in men, an understudied population in migraine research.
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nyberg2019cardiovascularbmj Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Nyberg, Jenny;Gustavsson, Sara;Linde, Mattias;Åberg, N David;Rohmann, Jessica L;Åberg, Maria;Kurth, Tobias;Waern, Margda;Kuhn, Georg Hans;
Journal BMJ open
Year 2019
DOI
10.1136/bmjopen-2019-029147
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