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Financial incentives to Medicaid smokers for engaging tobacco quit line treatment: maximising return on investment
  1. Marlon P Mundt1,
  2. Timothy B Baker2,3,
  3. Megan E Piper2,3,
  4. Stevens S Smith2,3,
  5. David L Fraser2,
  6. Michael C Fiore2,3
  1. 1Family Medicine and Community Health, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin, USA
  2. 2Center for Tobacco Research and Intervention, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin, USA
  3. 3Medicine, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin, USA
  1. Correspondence to Dr Marlon P Mundt, Family Medicine and Community Health, University of Wisconsin Madison School of Medicine and Public Health, Madison, WI 53715, USA; marlon.mundt{at}fammed.wisc.edu

Abstract

Background Low-income smokers experience greater difficulty in quitting smoking than do other smokers. Providing financial incentives for treatment engagement increases smoking cessation success. This study models the cost-effectiveness of varying levels of financial incentives to maximise return on investment (ROI) for engaging low-income Medicaid recipients who smoke to take calls from a tobacco quit line.

Methods Participants (N=1900) were recruited from May 2013 to June 2015 through quit line-based (n=980), clinic-based (n=444) or community-based referrals (n=476) into the Wisconsin Medicaid Quit Line Incentive project. Incentive (n=948) and control group participants (n=952) received $30 versus $0 per call, respectively, for taking up to five Wisconsin Tobacco Quit Line (WTQL) calls. Cost-effectiveness analyses estimated the incremental cost-effectiveness ratio for alternative financial incentives for engagement with WTQL calls. Probabilistic sensitivity analysis was employed to determine an optimal strategy for financial incentives to minimise the cost per individual who quit smoking.

Results Using fixed payments, the incremental cost-effectiveness ratio of $2316 per smoker who quit in the randomised trial decreased to $2150 per smoker who quit when the incentives were modelled at $20 per each of five WTQL calls taken. Using variable payments, the minimal cost per additional smoker who quit was $2125 when incentives for the first four WTQL calls were set at $20, and the financial payment for the fifth WTQL call was set at $70.

Conclusions Modelling suggests that financial incentives in the amount of $20 per call for taking the first four quit line calls and $70 for taking a fifth quit line call maximise ROI to engage low-income smokers with evidence-based smoking cessation treatment.

  • economics
  • socioeconomic status
  • cessation
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Footnotes

  • Contributors MPM conducted the analyses and wrote the manuscript. TBB, MP, SSS, DLF and MCF contributed to the study design and interpretation.

  • Funding The authors would like to thank the University of Wisconsin Carbone Cancer Center’s (UWCCC) philanthropic donors for their support of this project. This work is supported in part by NIH/NCI P30 CA014520‐UW Comprehensive Cancer Center Support (Mundt) and NIH/NCI R35 CA197573 (Baker, Fraser, Smith, Piper, Fiore). This research was also supported by the Funding Opportunity Number 1B1CMS330876 from the Centers for Medicare and Medicaid Services (Baker, Fraser, Smith, Piper, Fiore).

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement Data are available upon reasonable request.

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