Summary
This collective case study synthesises real-world experiences from research teams across Australia, the Netherlands, and the United Kingdom who have partnered with national supermarket chains to evaluate in-store interventions promoting healthy eating. The authors distil six evidence-based recommendations covering partnership establishment, study design, data governance, evaluation methodology, and scientific independence to support future researchers seeking to conduct high-quality public health research with commercial retailers. The work highlights supermarkets' underexploited potential as settings for population-level dietary behaviour change whilst acknowledging practical and relational challenges inherent in commercial partnerships.
Regional applicability
The study includes United Kingdom research teams and experiences, making findings directly applicable to UK practice. The recommendations on partnership establishment, study design robustness, and scientific independence are readily transferable to UK supermarket chains and research contexts.
Key measures
Partnership establishment processes, study design robustness, data governance arrangements, evaluation methodology, scientific independence mechanisms, intervention fidelity and dose, unintended consequences
Outcomes reported
The study synthesised experiences from research teams in Australia, the Netherlands, and the United Kingdom who partnered with national supermarket chains to test in-store interventions promoting healthy eating. It distilled six actionable recommendations for establishing sustainable, scientifically rigorous collaborations with commercial retailers.
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