Smoking, health-related quality of life and economic evaluation

Ángel López-Nicolás (), Marta Trapero-Bertran and Celia Muñoz
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Ángel López-Nicolás: Universidad Politécnica de Cartagena (UPCT)
Marta Trapero-Bertran: Universitat Internacional de Catalunya (UIC)
Celia Muñoz: Universitat Pompeu Fabra (UPF)

The European Journal of Health Economics, 2018, vol. 19, issue 5, No 11, 747-756

Abstract: Abstract Background and aims The economic evaluation of tobacco control policies requires the adoption of assumptions about the impact of changes in smoking status on health-related quality of life (HRQoL). Estimates for such impacts are necessary for different populations. This paper aims to test whether smoking status has an independent effect on HRQoL over and above the effect derived from the increased likelihood of suffering a tobacco related disease, and to calculate utility values for the Spanish population. Methods Using data from the Spanish Encuesta Nacional de Salud of 2011–12, we estimate statistical models for HRQoL as measured by the EQ-5D-5L instrument as a function of smoking status. We include a comprehensive set of controls for biological, clinical, lifestyle and socioeconomic characteristics. Results Smoking status has an independent, statistically significant effect on HRQoL. However, the size of the effect is small. The typical smoking related diseases, such as lung cancer, are associated with a reduction in HRQoL about 5 times larger than the difference between current smokers and never smokers. Conclusion Attributing substantive HRQoL gains to quitting smoking as well as accounting for the concomitant HRQoL gain derived from a smaller likelihood of contracting tobacco related diseases might lead to an overestimation of the benefits of tobacco control policies. Nonetheless, the relatively large drops in HRQoL associated with being diagnosed with diseases that might be causally linked to tobacco suggest that such diseases should not be omitted from the economic evaluations of tobacco control policies.

Keywords: Smoking; Quality of life; Economic evaluation; EQ-5D-5L; I12 Health Behaviour; D61 Allocative efficiency; Cost–Benefit Analysis (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s10198-017-0919-1

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