Assessing Outcomes for Cost-Utility Analysis in Depression: Comparison of Five Multi-Attribute Utility Instruments with Two Depression-Specific Outcome Measures

Catherine Mihalopoulos, Gang Chen, Angelo Lezzi, Munis Khan, Jeffrey Richardson

    Research output: Contribution to journalArticle

    38 Citations (Scopus)

    Abstract

    Background: Many mental health surveys and clinical studies do not include a multi-attribute utility instrument (MAUI) that produces quality-adjusted life-years (QALYs). There is also some question about the sensitivity of the existing utility instruments to mental health. Aims: To compare the sensitivity of five commonly used MAUIs (Assessment of Quality of Life - Eight Dimension Scale (AQoL-8D), EuroQoL-five dimension (EQ-5D-5L), Short Form 6D (SF-6D), Health Utilities Index Mark 3 (HUI3), 15D) with that of disease-specific depression outcome measures (Depression Anxiety Stress Scales (DASS-21) and the Kessler Psychological Distress Scale (K10)) and develop 'crosswalk' transformation algorithms between the measures. Method: Individual data from 917 people with self-report depression collected as part of the International Multi-Instrument Comparison Survey. Results: All the MAUIs discriminated between the levels of severity measured by the K10 and the DASS-21. The AQoL-8D had the highest correlation with the disease-specific measures and the best goodness-of-fit transformation properties. Conclusions: The algorithms developed in this study can be used to determine cost-effectiveness of services or interventions where utility measures are not collected.

    Original languageEnglish
    Pages (from-to)390-397
    Number of pages8
    JournalBritish Journal of Psychiatry
    Volume205
    Issue number5
    DOIs
    Publication statusPublished - 1 Nov 2014

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