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A qualitative investigation of the health economic impacts of bariatric surgery for obesity and implications for improved practice in health economics

Obesity is an economic problem. Bariatric surgery is cost‐effective for severe and resistant obesity. Most economic evaluations of bariatric surgery use administrative data and narrowly defined direct medical costs in their quantitative analyses. Demand far outstrips supply for bariatric surgery. Further allocation of health care resources to bariatric surgery (particularly public) could be stimulated by new health economic evidence that supports the provision of bariatric surgery. We postulated that qualitative research methods would elicit important health economic dimensions of bariatric surgery that would typically be omitted from the current economic evaluation framework, nor be reported and therefore not considered by policymakers with sufficient priority. We listened to patients: Focus group data were analysed thematically with software assistance. Key themes were identified inductively through a dialogue between the qualitative data and pre‐existing economic theory (perspective, externalities, and emotional capital). We identified the concept of emotional capital where participants described life‐changing desires to be productive and participate in their communities postoperatively. After self‐funding bariatric surgery, some participants experienced financial distress. We recommend a mixed‐methods approach to the economic evaluation of bariatric surgery. This could be operationalised in health economic model conceptualisation and construction, through to the separate reporting of qualitative results to supplement quantitative results.

Funding

National Health & Medical Research Council

Department of Health and Human Services Tasmania

Department of Premier and Cabinet

History

Publication title

Health Economics

Volume

27

Issue

8

Pagination

1300-1318

ISSN

1057-9230

Department/School

Menzies Institute for Medical Research

Publisher

John Wiley & Sons Ltd

Place of publication

The Atrium, Southern Gate, Chichester, England, W Sussex, Po19 8Sq

Rights statement

© 2018 John Wiley & Sons, Ltd.

Repository Status

  • Restricted

Socio-economic Objectives

Public health (excl. specific population health) not elsewhere classified