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The Danish version of the Dizziness Handicap Inventory - translation and validation
Helle Elisabeth Agger-Nielsen1, Signe Fiil Bønløkke2, Hanne Owen2
1Department of Clinical Pharmacology, Aarhus University Hospital.
Introduction:
The Dizziness Handicap Inventory (DHI) is a widely used patient-reported outcome measure assessing the impact of dizziness on daily life. A Danish version (DHI-DK) was developed to facilitate its use in Danish-speaking populations.
Methods:
The DHI was translated into Danish following standard cross-cultural adaptation procedures. The psychometric properties of the DHI-DK were evaluated in a sample of 100 patients with dizziness. Internal consistency was assessed using Cronbach's alpha, test-retest reliability with intraclass correlation coefficients (ICCs), and construct validity through correlations with the visual analogue scale (VAS).
Results:
The DHI-DK demonstrated high internal consistency (Cronbach's alpha = 0.88) and excellent test-retest reliability (ICC = 0.95). A strong correlation was observed between DHI-DK and VAS scores (r = 0.60, p less-than 0.001), supporting construct validity.
Conclusions:
The DHI-DK is a reliable and valid instrument for assessing the self-perceived handicap due to dizziness in Danish-speaking patients. It is suitable for use in both clinical practice and research settings.
Funding:
This study received no external funding.
Trial Registration:
Not relevant.
