The Association of Changes in Pain Acceptance and Headache-Related Disability
Abstract
BACKGROUND: Migraine accounts for substantial suffering and disability. Previous studies show cross-sectional associations between higher pain acceptance and lower headache-related disability in individuals with migraine, but none has evaluated this association longitudinally during migraine treatment.
PURPOSE: This study evaluated whether changes in pain acceptance were associated with changes in headache-related disability and migraine characteristics in a randomized controlled trial (Women's Health and Migraine) that compared effects of behavioral weight loss (BWL) treatment and migraine education (ME) on headache frequency in women with migraine and overweight/obesity.
METHODS: This was a post hoc analysis of 110 adult women with comorbid migraine and overweight/obesity who received 16 weeks of either BWL or ME. Linear and nonlinear mixed effects modeling methods were used to test for between-group differences in change in pain acceptance, and also to examine the association between change in pain acceptance and change in headache disability.
RESULTS: BWL and ME did not differ on improvement in pain acceptance from baseline across post-treatment and follow-up. Improvement in pain acceptance was associated with reduced headache disability, even when controlling for intervention-related improvements in migraine frequency, headache duration, and pain intensity.
CONCLUSIONS: This study is the first to show that improvements in pain acceptance following two different…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 110 participants or records.
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