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The Development of the Dizziness Handicap Inventory
April 01 1990
April 01 1990
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Abstract
<p class="first" id="d8747598e57">Conventional vestibulometric techniques are inadequate
for quantifying the impact
of dizziness on everyday life. The 25-item Dizziness Handicap Inventory (DHI) was
developed to evaluate the self-perceived handicapping effects imposed by vestibular
system disease. The development of the preliminary (37 items) and final versions (25
items) of the DHI are described. The items were subgrouped into three content domains
representing functional, emotional, and physical aspects of dizziness and unsteadiness.
Cronbach's alpha coefficient was employed to measure reliability based on consistency
of the preliminary version. The final version of the DHI was administered to 106 consecutive
patients and demonstrated good internal consistency reliability. With the exception
of the physical subscale, the mean values for DHI scale scores increased significantly
with increases in the frequency of dizziness episodes. Test-retest reliability was
high.
</p>