The Construct of the Schizophrenia Quality of Life Scale Revision 4 for the Population of Taiwan.
Chia-Ting Su, Ai-Lun Yang, Chung-Ying Lin
PMID 29097970WHAT IT FOUND
For people with schizophrenia living in hospital in Taiwan, the quality-of-life scale made most sense as 29 items grouped into psychosocial, physical, and vitality scores.
Four items may be removed.
Key findings
01The 29-item version matched the participants' answers better than the 33-item version.
02The best grouping was psychosocial, physical, and vitality.
03Four items may be omitted: able to carry out daily activities, feel I can cope, feel happy, and concerned about social life.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The analysis used 100 participants, which the authors described as the minimum for this kind of factor analysis and as preliminary. All participants were inpatients at one psychiatric hospital in southern Taiwan, so the results may not apply to people with schizophrenia living in the community. Only participants with intact cognition and low psychiatric symptom scores were included, so the scale structure may not apply to people with cognitive impairment or more severe symptoms. The sample came from convenience recruitment, not random selection. The suggested three-factor structure has not been tested in Western populations.
The easy way to misread this
Do not treat the scale as proven for all people with schizophrenia. It was tested only in 100 stable inpatients with intact cognition, so it does not show how the scale works for community patients or people with cognitive impairment.