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Abstract Details

Defining the Border-Zone between Episodic Migraine (EM) and Chronic Migraine (CM): Sociodemographics and Headache-Related Disability in the US Population
Headache
P03 - (-)
105
BACKGROUND: Although CM is defined by headaches on 15 or more days per month (d/mo) with a link to migraine, the clinical and biological border between EM and CM is uncertain.
DESIGN/METHODS: The American Migraine Prevalence and Prevention Study (AMPP) is a longitudinal, US-population-based study. Sociodemographic variables and headache-related disability was assessed using the MIDAS questionnaire. Odds ratios (ORs), rate ratios (RRs) and corresponding 95% Wald confidence intervals (CIs) were calculated comparing groups. Analysis of current employment status was adjusted for age, gender and income. Ordered logistic regression was used to model household income and negative binomial regression was used to model disability.
RESULTS: Of 16,573 respondents with migraine to the 2005 AMPP survey, 10,609 had LFEM, 640 had HFEM and 655 had CM. In comparison with the LFEM group, those with HFEM and CM reported significantly lower household income levels (p < 0.001), were less likely to be employed full time (p < 0.05), and were more likely to be occupationally disabled (p < 0.001). There were no corresponding differences between HFEM and CM. Headache-related disability was greatest for CM, lowest for LFEM and intermediate in HFEM. Those with CM were significantly more likely to miss days of work or school due to headache compared to LFEM (RR 4.67, 95%CI 3.52, 6.20; p?0.001); but differences between HFEM and CM were not significant.
CONCLUSIONS: The similarities between the HFEM and CM groups and their distinctions from the LFEM group suggest that there may be biological overlap between HFEM and CM.
Authors/Disclosures
Richard B. Lipton, MD, FAAN (Albert Einstein College of Medicine)
PRESENTER 		Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Allergan/Abbvie. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Amgen. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biohaven. Dr. Lipton has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Eli Lilly. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Lundbeck. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for GlaxoSmithKline. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Teva. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Vedanta. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Grifols. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Pfizer. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Axon. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Satsuma. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genentech. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Cool Tech. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BDSI. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Linpharma. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Axsome. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Clexio. Dr. Lipton has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Shiratronics. Dr. Lipton has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Allergan/Abbvie. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biohaven. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Eli Lilly. Dr. Lipton has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lundbeck. Dr. Lipton has or had stock in Biohaven.Dr. Lipton has or had stock in Manistee.Dr. Lipton has or had stock in Axon.Dr. Lipton has or had stock in CoolTech. The institution of Dr. Lipton has received research support from Teva. The institution of Dr. Lipton has received research support from Amgen. The institution of Dr. Lipton has received research support from Allergan/Abbvie. The institution of Dr. Lipton has received research support from Gammacore. The institution of Dr. Lipton has received research support from Axsome. The institution of Dr. Lipton has received research support from Charleston Labs. The institution of Dr. Lipton has received research support from Eli Lilly. The institution of Dr. Lipton has received research support from Satsuma. The institution of Dr. Lipton has received research support from NIH . The institution of Dr. Lipton has received research support from Veterans Administration. Dr. Lipton has received publishing royalties from a publication relating to health care.
Dawn C. Buse, PhD (Dawn C. Buse, PhD) Dr. Buse has received personal compensation for serving as an employee of Vector Psychometric Group. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Abbvie-Allergan. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Amgen. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lilly. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lundbeck. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Teva. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Theranicsa. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lilly. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Abbvie-Allergan. Dr. Buse has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lundbeck. Dr. Buse has received personal compensation in the range of $0-$499 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Current Pain and Headache Reports. The institution of Dr. Buse has received research support from Amgen. The institution of Dr. Buse has received research support from FDA. The institution of Dr. Buse has received research support from National Headache Foundation.
No disclosure on file
No disclosure on file
Jelena M. Pavlovic, MD, PhD (Albert Einstein College of Medicine) Dr. Pavlovic has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biohaven.
Brian Grosberg, MD (Hartford HealthCare Headache Center) Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Amgen. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Theranica. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Abbvie. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Linpharma pharmaceuticals. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Amgen. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Theranica . Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Biohaven. Dr. Grosberg has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Abbvie. Dr. Grosberg has stock in Theranica. The institution of Dr. Grosberg has received research support from Theranica. The institution of Dr. Grosberg has received research support from Amgen. The institution of Dr. Grosberg has received research support from Abbvie. The institution of Dr. Grosberg has received research support from Eli Lilly. The institution of Dr. Grosberg has received research support from Teva. The institution of Dr. Grosberg has received research support from Neurolief. Dr. Grosberg has received publishing royalties from a publication relating to health care.
Michael L. Reed, PhD (Vedanta Research) The institution of Dr. Reed has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Eli Lilly. The institution of Dr. Reed has received research support from Allergan. The institution of Dr. Reed has received research support from Dr Reddy's Labs/Promius. The institution of Dr. Reed has received research support from Allay Lamp. Dr. Reed has a non-compensated relationship as a Research Analyst with National Headache Foundation that is relevant to AAN interests or activities.
Bradford Dickerson, MD, FAAN Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Acadia. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Arkuda. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Eisai. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lantheus. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lilly. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Merck. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Novo Nordisk. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Merck. Dr. Dickerson has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Arkuda. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Acadia. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lilly. Dr. Dickerson has received personal compensation in the range of $500-$4,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Elsevier. Dr. Dickerson has received publishing royalties from a publication relating to health care. Dr. Dickerson has received publishing royalties from a publication relating to health care.