Time trade-off: one methodology, different methods
There is no scientific consensus on the optimal specification of the time trade-off (TTO) task. As a consequence, studies using TTO to value health states may share the core element of trading length of life for quality of life, but can differ considerably on many other elements. While this pluriformity in specifications advances the understanding of TTO from a methodological point of view, it also results in incomparable health state values. Health state values are applied in health technology assessments, and in that context comparability of information is desired. In this article, we discuss several alternative specifications of TTO presented in the literature. The defining elements of these specifications are identified as being either methodological, procedural or analytical in nature. Where possible, it is indicated how these elements affect health state values (i.e., upward or downward). Finally, a checklist for TTO studies is presented, which incorporates a list of choices to be made by researchers who wish to perform a TTO task. Such a checklist enables other researchers to align methodologies in order to enhance the comparability of health state values. Copyright The Author(s) 2013
If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
Volume (Year): 14 (2013)
Issue (Month): 1 (July)
|Contact details of provider:|| Web page: http://www.springer.com|
|Order Information:||Web: http://www.springer.com/medicine/health+informatics/journal/10198/PS2|
References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Arthur E. Attema & Matthijs M. Versteegh, 2013.
"Would You Rather Be Ill Now, Or Later?,"
John Wiley & Sons, Ltd., vol. 22(12), pages 1496-1506, December.
- Angela Robinson & Anne Spencer, 2006. "Exploring challenges to TTO utilities: valuing states worse than dead," Health Economics, John Wiley & Sons, Ltd., vol. 15(4), pages 393-402.
- Trude Arnesen & Mari Trommald, 2005. "Are QALYs based on time trade-off comparable? - A systematic review of TTO methodologies," Health Economics, John Wiley & Sons, Ltd., vol. 14(1), pages 39-53.
- Bostic, Raphael & Herrnstein, R. J. & Luce, R. Duncan, 1990. "The effect on the preference-reversal phenomenon of using choice indifferences," Journal of Economic Behavior & Organization, Elsevier, vol. 13(2), pages 193-212, March.
- Han Bleichrodt & José Luis Pinto & José María Abellán-Perpiñán, 2003.
"A consistency test of the time trade-off,"
Working Papers, Research Center on Health and Economics
676, Department of Economics and Business, Universitat Pompeu Fabra.
- Anne Spencer, 2003. "The TTO method and procedural invariance," Health Economics, John Wiley & Sons, Ltd., vol. 12(8), pages 655-668.
- Dolan, Paul & Stalmeier, Peep, 2003. "The validity of time trade-off values in calculating QALYs: constant proportional time trade-off versus the proportional heuristic," Journal of Health Economics, Elsevier, vol. 22(3), pages 445-458, May.
- Nancy Devlin & Ken Buckingham & Koonal Shah & Aki Tsuchiya & Carl Tilling & Grahame Wilkinson & Ben Hout, 2013. "A Comparison Of Alternative Variants Of The Lead And Lag Time Tto," Health Economics, John Wiley & Sons, Ltd., vol. 22(5), pages 517-532, 05.
- Attema, Arthur E. & Brouwer, Werner B.F., 2013.
"In search of a preferred preference elicitation method: A test of the internal consistency of choice and matching tasks,"
Journal of Economic Psychology,
Elsevier, vol. 39(C), pages 126-140.
- Attema, Arthur & Brouwer, Werner, 2012. "In search of a preferred preference elicitation method: A test of the internal consistency of choice and matching tasks," MPRA Paper 36100, University Library of Munich, Germany.
- Arthur E. Attema & Matthijs M. Versteegh & Mark Oppe & Werner B. F. Brouwer & Elly A. Stolk, 2013. "Lead Time Tto: Leading To Better Health State Valuations?," Health Economics, John Wiley & Sons, Ltd., vol. 22(4), pages 376-392, 04.
- Attema, Arthur & Brouwer, Werner, 2012.
"Deriving time discounting correction factors for TTO tariffs,"
37002, University Library of Munich, Germany.
- Arthur E. Attema & Werner B.F. Brouwer, 2014. "Deriving Time Discounting Correction Factors For Tto Tariffs," Health Economics, John Wiley & Sons, Ltd., vol. 23(4), pages 410-425, 04.
- William Furlong & David Feeny & George Torrance & Ronald Barr & John Horsman, 1992. "Guide to Design and Development of Health-State Utility Instrumentation," Centre for Health Economics and Policy Analysis Working Paper Series 1990-09, Centre for Health Economics and Policy Analysis (CHEPA), McMaster University, Hamilton, Canada.
- Brazier, John & Ratcliffe, Julie & Salomon, Joshua A. & Tsuchiya, Aki, 2007. "Measuring and Valuing Health Benefits for Economic Evaluation," OUP Catalogue, Oxford University Press, number 9780198569824.
- Attema, Arthur E. & Brouwer, Werner B.F., 2009. "The correction of TTO-scores for utility curvature using a risk-free utility elicitation method," Journal of Health Economics, Elsevier, vol. 28(1), pages 234-243, January.
- Matthijs Versteegh & Arthur Attema & Mark Oppe & Nancy Devlin & Elly Stolk, 2013. "Time to tweak the TTO: results from a comparison of alternative specifications of the TTO," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 14(1), pages 43-51, July.
- Marjon Pol & Larissa Roux, 2005. "Time preference bias in time trade-off," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 6(2), pages 107-111, June.
- Arthur E. Attema & Werner B. F. Brouwer, 2008. "Can we fix it? Yes we can! But what? A new test of procedural invariance in TTO-measurement," Health Economics, John Wiley & Sons, Ltd., vol. 17(7), pages 877-885.
- Paul Dolan & Daniel Kahneman, 2008. "Interpretations Of Utility And Their Implications For The Valuation Of Health," Economic Journal, Royal Economic Society, vol. 118(525), pages 215-234, 01.
- L. M. Lamers & J. McDonnell & P. F. M. Stalmeier & P. F. M. Krabbe & J. J. V. Busschbach, 2006. "The Dutch tariff: results and arguments for an effective design for national EQ-5D valuation studies," Health Economics, John Wiley & Sons, Ltd., vol. 15(10), pages 1121-1132.
- Anne Spencer, 2004. "The implications of linking questions within the SG and TTO methods," Health Economics, John Wiley & Sons, Ltd., vol. 13(8), pages 807-818.
- Bleichrodt, Han & Johannesson, Magnus, 1997. "Standard gamble, time trade-off and rating scale: Experimental results on the ranking properties of QALYs," Journal of Health Economics, Elsevier, vol. 16(2), pages 155-175, April.
- Arthur Attema & Werner Brouwer, 2012. "The way that you do it? An elaborate test of procedural invariance of TTO, using a choice-based design," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 13(4), pages 491-500, August.
- Bansback, Nick & Brazier, John & Tsuchiya, Aki & Anis, Aslam, 2012. "Using a discrete choice experiment to estimate health state utility values," Journal of Health Economics, Elsevier, vol. 31(1), pages 306-318.
- F. E. van Nooten & X. Koolman & W. B. F. Brouwer, 2009. "The influence of subjective life expectancy on health state valuations using a 10 year TTO," Health Economics, John Wiley & Sons, Ltd., vol. 18(5), pages 549-558.
When requesting a correction, please mention this item's handle: RePEc:spr:eujhec:v:14:y:2013:i:1:p:53-64. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Sonal Shukla)or (Rebekah McClure)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.