Acknowledgements We thank the REBALANCE Advisory Group for all their advice and support during this project: Margaret Watson, Lorna Van Lierop, Richard Clarke, Jennifer Logue, Laura Stewart, Richard Welbourn, Jamie Blackshaw, Su Sethi. +Current address HealthLumen, London. The REBALANCE team Elisabet Jacobsen1, Dwayne Boyers1, David Cooper3, Lise Retat2, Paul Aveyard4, Fiona Stewart3, Graeme MacLennan3, Laura Webber2, Emily Corbould2, Benshuai Xu2, Abbygail Jaccard2, Bonnie Boyle3, Eilidh Duncan3, Michal Shimonovich3, Cynthia Fraser3, Lara Kemp3, Clare Robertson3, Zoë Skea3, Marijn de Bruin6, Alison Avenell3 Funding The project was funded by the NIHR Health Technology Assessment Programme (Project number: 15/09/04). See the HTA Programme website for further project information. The Health Economics and Health Services Research Units at the University of Aberdeen are core funded by the Chief Scientists Office (CSO) of the Scottish Government Health and Social Care Directorate. Correction | Open Access | Published: 26 August 2021 Correction: Cost-effectiveness of bariatric surgery and non-surgical weight management programmes for adults with severe obesity: a decision analysis model. D. Boyers, L. Retat, E. Jacobsen, A. Avenell, P. Aveyard, E. Corbould, A. Jaccard, D. Cooper, C. Robertson, M. Aceves-Martins, B. Xu, Z. Skea, M. de Bruin & and the REBALANCE team. International Journal of Obesity (2021) The Original Article was published on 04 June 2021 Correction to: International Journal of Obesity https://doi.org/10.1038/s41366-021-00849-8 ; Peer reviewed ; Publisher PDF