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Estimating the monetary value of a Quality-Adjusted Life-Year in Quebec

Author

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  • Christian R. C. Kouakou

    (University of Sherbrooke
    Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, CIUSSS de l’Est de l’Île de Montréal)

  • Jie He

    (University of Sherbrooke)

  • Thomas G. Poder

    (Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, CIUSSS de l’Est de l’Île de Montréal
    University of Montreal)

Abstract

Background The value of a Quality-Adjusted Life-Year (QALY) is of great importance for the healthcare system. It helps when it comes to defining a cost-effectiveness threshold for the evaluation of health technologies. No willingness-to-pay value for a QALY exists in the province of Quebec, Canada. Objectives In this paper, we empirically investigated the monetary value of a QALY for the population of Quebec. Methods Based on the Short-Form 6-Dimension version 2 (SF-6Dv2), we conducted an online survey with a representative adult sample living in Quebec. We used a time trade-off (TTO) combined with contingent valuation (CV), and a discrete choice experiment (DCE) to assess both the population’s willingness to pay (WTP) for one QALY and the marginal WTP for health attributes. A health utility algorithm using hybrid regression was developed to determine a preference-based value set for health states. Results Main analysis was conducted on 993 answers for the CV and 2143 answers for the DCE. The willingness-to-pay per QALY varied from CA$ 47,048.84 (CI: 21,554.38; 72,543.30) for CV to CA$ 73,936.87 (CI: 63,105.40; 84,768.35) for DCE. Among the 6 dimensions of the SF-6Dv2, marginal WTP varied from CA$ 4499.15 (CI: 2975.06; 6023.25) for more role accomplishment in daily activities to CA$ 15,867.12 (CI: 13,825.75; 17,908.49) for less pain. Robustness check with multiple alternative samples, as well as alternative health utility algorithms, showed that the results were robust and the DCE method provided 50% larger results than the CV method, although confidence intervals overlap. Conclusion This paper provides useful information for decision-makers on the monetary value of a QALY in Quebec.

Suggested Citation

  • Christian R. C. Kouakou & Jie He & Thomas G. Poder, 2024. "Estimating the monetary value of a Quality-Adjusted Life-Year in Quebec," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 25(5), pages 787-811, July.
    • Handle: RePEc:spr:eujhec:v:25:y:2024:i:5:d:10.1007_s10198-023-01625-3
    DOI: 10.1007/s10198-023-01625-3
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    References listed on IDEAS

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    1. Poder, Thomas G. & Ameri, Hosein, 2025. "A new SF-6Dv2 value set based on a hybrid model using SG, cTTO, and DCE data," Social Science & Medicine, Elsevier, vol. 366(C).

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