Headache
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Randomized Controlled Trial Multicenter Study
Psychometric Validation of the Role Function Restrictive Domain of the Migraine Specific Quality-of-Life Questionnaire Version 2.1 Electronic Patient-Reported Outcome in Patients With Episodic and Chronic Migraine.
To assess the measurement properties of the Migraine-Specific Quality of Life Questionnaire version 2.1 (MSQv2.1) electronic patient-reported outcome (ePRO) Role Function-Restrictive (RFR) domain to evaluate the functional impact of migraine in patients with episodic (EM) or chronic migraine (CM) enrolled in clinical trials. ⋯ The MSQv2.1 ePRO RFR has sufficient reliability, validity, responsiveness, and appropriate interpretation standards for use in EM and CM clinical trials to assess the functional impact of migraine.