Abstract
A systematic review was undertaken to assess the construct validity and responsiveness of four generic health-related quality of life (HRQL) measures in personality disorders (PDs). Ten databases were searched and reference lists scrutinized to identify relevant studies. Relevant data were extracted accordingly. A narrative synthesis was performed of the evidence on construct validity, including known groups validity (detecting differences in HRQL scores between two different groups), convergent validity (strength of association between generic HRQL), and other measures (e.g., symptom) and responsiveness (differences in generic HRQL measure scores in responders/nonresponders or correlation with changes in other measures). Ten studies were identified: six of the EQ-5D, two involving the SF-36, and another two the SF-12, but none with the SF-6D. Evidence indicated that the EQ-5D, SF-36, and SF-12 were probably valid measures with PDs. Four studies demonstrated that the EQ-5D Index was able to detect changes in patients. The authors conclude that generic HRQL measures appear appropriate for use with people with PDs in terms of psychometric performance. However, qualitative concerns remain as to whether they fully reflect the impact of the condition.
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