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Article

Individualized vs. global assessments of quality of life after head injury and their susceptibility to response shift

Citation
Blair H, Wilson JTL, Gouick J & Gentleman D (2010) Individualized vs. global assessments of quality of life after head injury and their susceptibility to response shift. Brain Injury, 24 (6), pp. 833-843. https://doi.org/10.3109/02699051003789203

Abstract
Primary objective: The aim was to compare individualized and global assessments of quality of life (QoL) after traumatic brain injury (TBI) and to investigate perceived changes in QoL. Methods and procedures: The Schedule for the Evaluation of Individual Quality of Life (SEIQoL-DW) and Hadorn's overall 1-10 QoL Scale were administered to 28 participants 1-10 years post-injury together with the GOS-E, HADS and SF-36. Perceived change in quality of life after TBI was investigated by comparing current and retrospective judgements. Main outcome and results: Correlations between the QoL measures confirm validity of the SEIQoL-DW; however, correlations were generally stronger for the simpler 1-10 Scale. Paradoxically, there was little overall change in the mean QoL when current and retrospective judgements were compared; with some participants reporting worse quality of life before injury. A positive change in perceived QoL was associated with better overall functioning. Conclusions: Where an overall rating of QoL is required it seems that Hadorn's 1-10 Scale is a simpler and more direct measure than the SEIQoL-DW. The greater detail provided by the SEIQoL-DW may mean it is of benefit when looking at individual differences. The results suggest that both the SEIQoL-DW and Hadorn's scale are susceptible to response shift (where a person changes the basis on which they evaluate QoL); and this has implications for the interpretation of QoL assessments.

Keywords
Traumatic brain injury; quality of life; response shift

Journal
Brain Injury: Volume 24, Issue 6

StatusPublished
Author(s)Blair, Hannah; Wilson, J T Lindsay; Gouick, Jo; Gentleman, Douglas
Publication date30/06/2010
URLhttp://hdl.handle.net/1893/9184
PublisherInforma Healthcare
ISSN0269-9052
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