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TL;DR
There is a strong tendency for rating scale to yield the lowest and standard gamble to yield the highest utility values across studies.
Journal of Epidemiology · 2 authors, 1 centre
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There is a strong tendency for rating scale to yield the lowest and standard gamble to yield the highest utility values across studies.
The authors systematically searched MEDLINE for articles published from 1966 through 1999 using terms related to utility measurement methods. Time trade-off was the most frequently used method (40% of measurements), followed by rating scale (31%) and standard gamble (29%). Chronic health statuses were far more frequently studied than acute health statuses. The most commonly explored clinical categories were cardiology, neurology, nephrology, and gastroenterology. The authors found a strong tendency for rating scale to yield the lowest and standard gamble to yield the highest utility values for a given health status. Utility values for a given health status were wide in range due to variation in disease stage, severity, symptoms, and treatment. The review excluded multiattribute utility methods such as EuroQol, Quality of Well-Being, and Health Utilities Index.