Factor Analysis of the Tinnitus Handicap Inventory The Tinnitus Handicap Inventory (THI; C. W. Newman, G. P. Jacobson, & J. B. Spitzer, 1996) is widely used in a clinical context to assess tinnitus-related self-reported handicap and to report treatment outcomes. Test-retest reliability has been reported to be high, and high convergent validity with other measures of tinnitus ... Research Article
Research Article  |   June 01, 2003
Factor Analysis of the Tinnitus Handicap Inventory
 
Author Affiliations & Notes
  • D. M. Baguley, MSc, MBA
    Audiology, Addenbrooke’s Hospital, Hills Road, Cambridge CB2 2QQ, United Kingdom
  • G. Andersson
    Uppsala University, Uppsala, Sweden
  • Corresponding author: e-mail: dmb29@cam.ac.uk
Article Information
Hearing Disorders / Research and Technology / Research Articles
Research Article   |   June 01, 2003
Factor Analysis of the Tinnitus Handicap Inventory
American Journal of Audiology, June 2003, Vol. 12, 31-34. doi:10.1044/1059-0889(2003/007)
History: Received August 4, 2002 , Accepted May 7, 2003
 
American Journal of Audiology, June 2003, Vol. 12, 31-34. doi:10.1044/1059-0889(2003/007)
History: Received August 4, 2002; Accepted May 7, 2003

The Tinnitus Handicap Inventory (THI; C. W. Newman, G. P. Jacobson, & J. B. Spitzer, 1996) is widely used in a clinical context to assess tinnitus-related self-reported handicap and to report treatment outcomes. Test-retest reliability has been reported to be high, and high convergent validity with other measures of tinnitus distress has been reported. Factor analysis of the subscales of the THI has previously been reported for a Danish translation, but not for the English version. In the present study, the THI was factor analyzed using data collected from a group of 80 clinical tinnitus patients and 116 patients with unilateral vestibular schwannoma. The factor analysis yielded strong support for a unifactorial structure of the scale, with a majority of items loading on the first factor, and high internal consistency of the total score. The authors recommend use of the total score in research and in clinical practice.

Acknowledgments
Rachel Humphriss collated the questionnaire data, and Mark Moffat entered the data into a database. The vestibular schwannoma patients form part of a personal series of David Moffat, Consultant Otoneurosurgeon.
The data contained herein were presented as a poster at the 7th International Tinnitus Seminar, Fremantle, Australia, March 2002, and that poster was included in the proceedings.
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