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Brain Inj. 2010;24(6):833-43. doi: 10.3109/02699051003789203.

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

Author information

1
Department of Psychology, University of Stirling, Stirling, Scotland, UK. h.c.blair@stir.ac.uk

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.

PMID:
20433289
DOI:
10.3109/02699051003789203
[Indexed for MEDLINE]

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