Methodology for measuring health-state preferences—I: Measurement strategies

Froberg, Debra G.; Kane, Robert L

doi:10.1016/0895-4356(89)90039-5

Cited by 245 publications

(138 citation statements)

References 17 publications

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“…"no problems" (1), "some problems" (2), "severe problems" (3). "Holistic", "comprehensive" (Froberg and Kane, 1989a) health-state descriptions are composed by taking one level for each dimen sion (e.g, the best health state is represented by 11111). Theoretically this set .…”

Section: A T E R Ia L a N D M E T H O D Smentioning

confidence: 99%

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The comparability and reliability of five health-state valuation methods

Krabbe

Essink‐Bot

Bonsel

1997

Social Science & Medicine

114

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Please be advised that this information was generated on 2018-05-09 and may be subject to change.P e r g a m o n Soc. Sci. Med, Vol. 45, N o. I l , pp. 1641-1652, 1997 © 1997 Elsevier Science Ltd. A ll rights reserved P I I : S 0 2 7 7 -9 5 3 6 (9 7 )0 0 0 9 9 -3 Printed in Great Britain 0277-9536/97 $17. Abstract-The objective of the study was to consider five methods for valuing health states with respect to their comparability (convergent validity, value functions) and reliability. Valuation tasks were per formed by 104 student volunteers using five frequently used valuation methods: standard gamble (SG), time trade-off (TTO), rating scale (RS), willingness-to-pay (WTP) and the paired comparisons method (PC). Throughout the study, the EuroQoI classification system was used to construct 13 health-state descriptions. Validity was investigated using the multitrait-multimethod (M TM M ) methodology. The extent to which results of one method could be predicted by another was examined by transformations. Reliability of the methods was studied parametrically with Generalis ability Theory (an A N O V A exten sion), as well as non-parametrically. Mean values for SG were slightly higher than TTO values. The RS could be distinguished from the other methods. After a simple power transformation, the RS values were found to be close to SG and TTO. Mean values of WTP were linearly related to SG and TTO, except at the extremes of the scale. However, the reliability of WTP was low and the number of incon sistencies substantial. Valuations made by the RS proved to be the most reliable. Paired comparisons did not provide stable results. In conclusion, the results of the parametric transformation function between RS and SG/TTO provide evidence to justify the current use of RS (with transformations) not only for reasons of feasibility and reliability but also for reasons o f comparability. A definite judgement on PC requires data of a complete design. Due to the specific structure of the correlation matrix which is inherent in valuing health states, we believe that full M TM M is not applicable for the standard analysis of health-state valuations.

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Section: A T E R Ia L a N D M E T H O D Smentioning

confidence: 99%

“…The valuation of health states (stage II), forms a critical part of this three-stage approach. Several valuation methods (methodologically labelled: scal ing methods; Froberg and Kane, 1989a) exist, each with their own theoretical framework and concep tual position. We investigated five established health-state valuation methods.…”

mentioning

confidence: 99%

The comparability and reliability of five health-state valuation methods

Krabbe

Essink‐Bot

Bonsel

1997

Social Science & Medicine

114

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“…The technique therefore offers a unique opportunity Key: IR = individual ranking; CV = collective voting required. In this technique, the number of conditions was limited to seven based on the assumption that it is difficult for humans to process more than nine pieces of information simultaneously (Miller, 1956;Froberg and Kane, 1989a;Nord, 1992). Another point to consider in this study is that, the nominal group technique explicitly requires each member of the group to have an equal input in both the initial individual ranking and the voting stages.…”

Section: Discussionmentioning

confidence: 99%

“…The importance of measuring individual preferences is well recognised among health professionals, but using patients' or society's values in decision-making is far from common practice (Froberg and Kane, 1989a).…”

Section: Introductionmentioning

confidence: 99%

“…Several valuation techniques are currently in use including the simple rating scale, visual analogue scale, magnitude estimation, standard gamble, time trade-off and person trade-off. These techniques have been compared in several studies and a considerable difference in results has been observed (Torrance, 1986;Froberg and Kane, 1989a;Nord, 1992).…”

Section: Introductionmentioning

confidence: 99%

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Community social valuation: use of nominal group technique in ranking of health conditions from two communities in Temeke and Moshi Districts in Tanzania

Makundi

Norheim

Haram

et al. 2008

Tanzania J Hlth Res

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This study used the nominal group technique to explore societal value preferences in the ranking of health conditions from two communities in Temeke and Moshi districts in Tanzania. The nominal group technique was applied to a community of lay people including patients and community leaders. In this study we found a relatively high stability of ranking values across sites and informant groups. The nominal group technique was easy for lay people to understand and less time consuming compared to other methods used in health state valuation. The findings indicate that the nominal group technique can be used in the valuation process with a population of lay people to obtain societal preferences as a basis for priority setting in health. This study was limited to using criteria as a guide in the voting exercise, which may have framed respondent's final voting judgement. Further studies are needed to assess informant's responses and test validity and reliability of this method with larger sample size in different sites and informant groups. In conclusion, the nominal group technique may be considered to obtain societal preferences to compliment the current burden of disease data for priority setting.

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