| Summary: | 碩士 === 臺北醫學大學 === 傷害防治學研究所 === 93 === Reliability, Validity, and Responsiveness of the Taiwanese Version of QOLBI Questionnaire
Abstract
In modern industrial countries traumatic brain injury is a common sequel after different kinds of accidents. It is also the major cause associated with significant morbidity and mortality of the accident. The late outcome of patients with traumatic brain injury has been investigated by measuring deficits, disability and social handicap, but their health related quality of life has been less evaluated, and not by a direct analysis of the subjective patient quality of life. Although many instruments has been developed for assessment of quality of life, but most of the instruments are generic not disease-specific, especially not for the patients who suffered from traumatic brain injury. The purpose of this study was to investigate the suitability of the Taiwanese version of Quality of Life of Brain Injured questionnaire (QOLBI). The present investigation examined the psychometric properties of the QOLBI when used in the study of traumatic brain injury (TBI). The Taiwanese version of the 37-item QOLBI is categorized into six domains: physical (4 items), intellectual(7items),psychological (5 items), functional (3 items), social (9 items), personal (9 items). This study examines the practicality, reliability, validity, and responsiveness of the QOLBI in traumatic brain injury. Cronbach’s α coefficients for internal consistence ranged from 0.74 to 0.97. The interclass correlation coefficients ranged from 0.73 to 0.99 for intra-observer variation, and from 0.48 to 0.70 for inter-observer variation. The convergent validity analysis showed Pearson’s correlation coefficients higher than 0.4 in four relating domains: physical, psychological, social, and personal. The scores of the six domains were higher in people who had return to work than in those out of employment.. We used return to work as an external indicator to measure the responsiveness of each QOLBI domain, and the effect sizes of the six domains ranged from 0.17 to 0.56. From this study we conclud that the use of the QOLBI is suitable for the traumatic brain injury.
Keywords: traumatic brain injury (TBI), quality of life (QOL), reliability, validity, responsiveness
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