Validation of a migraine screening questionnaire in a Colombian university population

Cephalalgia : an International Journal of Headache
M Rueda-Sánchez, L A Díaz-Martínez

Abstract

In studies of migraine prevalence, it is important to be aware of the discriminative capacity of the test used. We set out to validate a Spanish translation of Michel's Standardized Migraine Diagnosis Questionnaire. The questionnaire was applied on all active students of the School of Psychology of the Universidad Autónoma de Bucaramanga, Colombia. A neurologist interviewed a random sample to substantiate the diagnosis of migraine. Cronbach's alpha was calculated and factors analysis was made in order to estimate internal consistency, test-retest to find reproducibility, and ROC curve and diagnostic indicators were calculated to estimate the criteria validity. Of 357 students that answered the questionnaire, 188 (52.7%) were selected at random to attend an appointment with a neurologist, but only 170 had this interview. Cronbach's alpha on these 357 questionnaires is 0.7497. All the questions on the questionnaire represented two main factors. This test had sensitivity in 37.9% [95% confidence interval (CI) 25.8, 51.7], specificity in 99.1% (95% CI 94.4, 100), positive predictive value in 95.7% (95% CI 76.0, 99.8), and negative predictive value in 75.5% (95% CI 67.6, 82.1) for 17 or more points. The area below ROC curve is 0.852...Continue Reading

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Citations

Feb 8, 2008·Cephalalgia : an International Journal of Headache·M Rueda-Sánchez, L A Díaz-Martínez
Oct 14, 2006·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·M KirchmannJ Olesen
Mar 26, 2016·Cephalalgia : an International Journal of Headache·Daniel I ChasmanTobias Kurth
Aug 19, 2015·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·X WangY S Zhao
Feb 19, 2009·Headache·Luca ValentinisGiorgio Zanchin
Apr 19, 2019·Cephalalgia : an International Journal of Headache·Hedwig A van der MeerCaroline M Speksnijder

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