Revised 15-item Glasgow Benefit Inventory with five factors based on analysis of a large population study of medical and surgical otorhinolaryngological interventions
George G Browning, Haytham Kubba, William M Whitmer
Clinical Otolaryngology | WILEY | Published : 2020
OBJECTIVES: To review, using confirmatory factor analysis, the widely used 18-question Glasgow Benefit Inventory [GBI] that has three factors. Thereafter to develop, using exploratory factor analysis, a more coherent, revised version of the GBI. DESIGN: Confirmatory and exploratory factor analysis of a large national GBI data set of ORL interventions. SETTING: Adult otorhinolaryngology outpatient clinics in six University Hospital departments. PARTICIPANTS: One thousand nine hundred eighty adult patients who had complete GBI data and who underwent an active (medical or surgical) intervention, out of the total data set of 9005 patients from the original Scottish ENT Outcome Study [SENTOS]. RE..View full abstract
Awarded by Medical Research Council
This work was supported by the Medical Research Council [grant number MR/s003576/1]; and the Chief Scientist Office of the Scottish Government.