Validation of the Spanish Version of the Headache Impact Test (HIT-6) in Patients With Episodic Migraine
Abstract
INTRODUCTION: The Headache Impact Test (HIT-6) questionnaire is commonly utilized to assess the impact of headaches in both clinical settings and research. To date, no validated Spanish version of this tool has been published.
OBJECTIVE: This study seeks to evaluate the psychometric properties of the Spanish version of the HIT-6 questionnaire for use in patients experiencing episodic migraine.
METHODS: We conducted a cross-sectional study aimed at validating this measurement instrument. A total of 100 subjects, both male and female, aged 18 to 65 years, diagnosed with episodic migraine, were included in the analysis. Construct validity was assessed using principal component analysis, test-retest reliability via the intraclass correlation coefficient (ICC), internal consistency, and convergent validity against the 12-Item Short Form Health Survey and the Migraine Disability Assessment.
RESULTS: The principal component analysis revealed a two-component structure. The overall HIT-6 scale demonstrated strong test-retest reliability ([ICC = 0.89; 95% CI = 0.83-0.92]), with high reliability for the indirect subscale [(ICC = 0.87; 95% CI = 0.81-0.91)] and excellent reliability for the direct subscale [(ICC = 0.90; 95% CI = 0.85-0.93)]. Internal consistency was also robust (Cronbach's α = 0.834), and the questionnaire showed a significant correlation with MIDAS (r = 0.512; p < 0.001), as well as a moderate correlation with the physical (r = -0.326; p < 0.05) and mental factors (r =…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 100 participants or records.
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