Evaluation of a Cognitive Behavioural Model of Tinnitus Distress: A cross-sectional study using structural equation modelling

LE Handscomb, Gillian W Shorter, DJ Hoare, DA Hall

Research output: Contribution to journalArticle

Abstract

Objectives
There is a great deal of variation in the extent to which people with tinnitus find it distressing, which cannot be explained solely by differences in perceived loudness. The Cognitive Behavioural Model of Tinnitus Distress proposes that tinnitus becomes and is maintained as a distressing problem due to a process of interaction between negative thoughts, negative emotions, attention and monitoring, safety behaviour and beliefs. This study used path analysis to assess how well different configurations of this model fit using
questionnaire data obtained from people with tinnitus.
Design
This was a cross-sectional study. Three hundred and forty two members of the public with tinnitus volunteered to complete a survey comprising a series of questionnaires and subscales of questionnaires measuring each of the constructs contained within the Cognitive Behavioural Model of Tinnitus Distress. The optimum factor structure of each measure for the study population was established and the resulting factors were used to construct a
series of path models based on the theoretical model. Path analysis was conducted for each of these, and the goodness of fit of the models was assessed using established fit criteria.
Results
Five of the six path models tested reached the threshold for adequate fit and further 25 modifications improved the fit of the three most parsimonious of these. The two best fitting models had comparable fit indices which approached the criteria for good fit (RMSEA=0.061, CFI=0.984, TLI= 0.970 and RMSEA=0.055, CFI=0.993, TLI=0.982.) They differed principally in the placement of tinnitus magnitude and the inclusion/ non-inclusion of
control beliefs.
Conclusion
There are theoretical arguments to support both a beliefs-driven and a loudness-driven model, and it may be that different configurations of the Cognitive Behavioural Model of Tinnitus Distress are more appropriate to different groups of people with tinnitus. Further investigation of this is needed. This notwithstanding, the 5 present study provides empirical
support for a model of tinnitus distress which provides a clinical framework for the
development of more effective psychological therapy.
Original languageEnglish
JournalEar and Hearing
Publication statusAccepted/In press - 23 Oct 2019

Keywords

  • structural equation modelling
  • Tinnitus
  • psychological model
  • cognitive behavioral therapy
  • distress

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