Development and standardization of dizziness handicap inventory (DHI) in the Indian language Malayalam

Akhilesh Pm, Sruthi James, Sharon Mathew, Thomas Zacharia
Dizziness is one of the most common complaints in medicine, affecting approximately 20% to 30% of persons in the general population. Dizziness is a general term for a sense of disequilibrium. Vertigo is a subtype of dizziness, defined as an illusion of movement caused by asymmetric involvement of the vestibular system. The general health related quality of life in dizziness patients is affected from minimal to profound severity depending upon the frequency of the problem. Materials & Methods:
more » ... e original version of DHI was taken and translated to Malayalam language with the help of a qualified Malayalam professor. After content validity, the final DHI-M was administered on 60 patients who came to the department with the complaint of vertigo/dizziness. Cronbach's alpha was done to find out the internal consistency of the questionnaire and an Item-total correlation was also carried out. Results: The DHI-M has got an acceptable internal consistency (Cronbach's alpha score: 0.936). Conclusion: The DHI-M has proved to be an excellent scale to administer on Malayalam speaking population to rule out the impact vertigo/dizziness on their quality of life.