U.S., Sept. 30 -- ClinicalTrials.gov registry received information related to the study (NCT07847554) titled 'Validity and Reliability of the Greek WPAI:Migraine' on Sept. 22.
Brief Summary: Migraine is a common neurological disorder that can substantially impair work productivity and daily functioning through both absenteeism and presenteeism. The Work Productivity and Activity Impairment Questionnaire for Migraine (WPAI:Migraine) is a brief patient-reported measure designed to assess migraine-related impairment in work and daily activities. Although the questionnaire has demonstrated validity and reliability in other populations, a validated Greek version is currently unavailable. This study aims to evaluate the validity and reliability ...