Psychometric properties of the Tinnitus Functional Index (TFI): Assessment in a UK research volunteer population.

ABSTRACT:

Objectives

Questionnaires are essential for measuring tinnitus severity and intervention-related change but there is no standard instrument used routinely in research settings. Most tinnitus questionnaires are optimised for measuring severity but not change. However, the Tinnitus Functional Index (TFI) claims to be optimised for both. It has not however been fully validated for research purposes. Here we evaluate the relevant psychometric properties of the TFI, specifically the questionnaire factor structure, reproducibility, validity and responsiveness guided by quality criteria for the measurement properties of health-related questionnaires.

Methods

The study involved a retrospective analysis of data collected for 294 members of the general public who participated in a ran

SUBMITTER: Fackrell K 

PROVIDER: S-EPMC5708524 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature