Predictors of Activity and Concentration Interference in Adults with Migraine: An Ecological Momentary Assessment Study

Objective: To identify demographic and daily cognitive, affective, and contextual predictors of headache-related interference with activity and concentration in a smartphone-based migraine cohort, using statistical models appropriate to the ordinal structure of patient-reported interference. Background: Migraine burden extends beyond headache to encompass cognitive and affective disturbance, yet most disability instruments summarize functioning retrospectively and cannot capture day-to-day variability in interference. Ecological momentary assessment addresses this limitation, yet few studies h

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