The impact of chronic migraine: The Chronic Migraine Epidemiology and Outcomes (CaMEO) Study methods and baseline results.

ABSTRACT:

Background

Longitudinal migraine studies have rarely assessed headache frequency and disability variation over a year.

Methods

The Chronic Migraine Epidemiology and Outcomes (CaMEO) Study is a cross-sectional and longitudinal Internet study designed to characterize the course of episodic migraine (EM) and chronic migraine (CM). Participants were recruited from a Web-panel using quota sampling in an attempt to obtain a sample demographically similar to the US population. Participants who passed the screener were assessed every three months with the Core (baseline, six, and 12 months) and Snapshot (months three and nine) modules, which assessed headache frequency, headache-related disability, treatments, and treatment satisfaction. The Core also assessed resource use, health-r

SUBMITTER: Adams AM 

PROVIDER: S-EPMC4430584 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature