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Objective: To determine the prevalence of migraine and
its associated factors in students at the University of Parakou. Methods: It
was a cross-sectional study carried out from February 1st to April 30th 2011.
It included all students registered during the academic year 2010-2011 and
selected by systematic random sampling.
Migraine was defined according to IHS 2004 criteria. To assess the link
between migraine and body mass index we collected height and weight of each
student. Multivariate analysis was used to study the factors associated with
migraine, odds-ratio and their confidence interval were estimated. SPSS Soft-ware
was used to perform statistical analysis. Results: During the study period
1200, students returned their questionnaires. They were 842 males and 358
females. 171 fulfilled migraine criteria, and the overall prevalence of
migraine was 14.2% (CI 95%: 11.6% - 17.4%). The main associated factors were
the sex with an OR: 2.3 (CI 95%: 1.6 - 3.2) and family history of headache with
an OR: 1.6 (CI 95%: 1.1 - 2.4). Migraine with aura was the frequent form
(59.1%) and visual aura the frequent form of aura. No association was found
between migraine and body mass index but students with obesity had high risk of
migraine with aura OR: 3.8 (CI 95%: 1.5 - 9.7) compared with those with normal
weight. The main triggering factors were sleeplessness (90.1%) and mental
fatigue (85.4%). Conclusion: The results suggest a high prevalence of migraine
among students at Parakou University and no association between obesity and migraine.