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Related Experiment Video

Updated: Jun 12, 2026

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

Deriving a Korean SF-6Dv2 Value Set Using a Discrete Choice Experiment with Duration.

Eun-Young Bae¹, Jahyun Cho², Jooho Moon³

¹College of Pharmacy, Gyeongsang National University, Jinju, South Korea. eybae@gnu.ac.kr.

Pharmacoeconomics

|June 11, 2026

Summary

This study derived the first Korean SF-6Dv2 value set using a discrete choice experiment. This new tool supports health economic evaluations in Korea by enabling quality-adjusted life-year calculations.

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Area of Science:

Health Economics
Psychometrics
Biostatistics

Background:

The SF-6Dv2 is a valuable tool for health state valuation.
Deriving country-specific value sets is crucial for accurate economic evaluations.
No Korean value set for the SF-6Dv2 was previously available.

Purpose of the Study:

To derive the first Korean value set for the SF-6Dv2.
To enable accurate quality-adjusted life-year (QALY) calculations in Korea.
To support health economic evaluations using SF-36v2 and SF-6Dv2 data.

Main Methods:

An adapted international protocol using an online discrete choice experiment with duration (DCE_TTO) was employed.
3800 Korean adults representative of the general population participated.
The experimental design included Core, Common, and Triplet Modules, with preferences analyzed using logit models.

Main Results:

Model 9, based on the Core Module, was selected as the preferred model.
The pain dimension showed the largest utility decrement (-0.496) at its worst level.
The worst possible health state utility was -1.012, with 31.7% of states valued as worse than dead; significant preference heterogeneity was observed.

Conclusions:

The first Korean SF-6Dv2 value set has been successfully derived.
This value set facilitates QALY calculations from SF-36v2 and SF-6Dv2 data.
The derived value set will support health economic evaluations within the Korean context.