The aim of stream 4 was to estimate the impact of healthy food retail interventions on population diet, equity, health, and business.
Stream 4 worked collaboratively across all streams to undertake economic evaluations of healthy retail strategies.
Objective 1: Develop a business impact model that accommodates sales and profitability for healthy food retail in different settings.
Food retailers are businesses and therefore any voluntary changes to the retail environment to increase healthiness also need to meet commercial needs. The main projects to deliver this objective were undertaken as a PhD research program:
- An assessment of the evidence base of how customers value healthier retail environments
- Workshops with retailers to determine the business outcomes relevant to various types of retailers
- Conduct discrete choice experiments to value retailer outcomes
- Conducting economic evaluations incorporating these business outcomes into the cost-effectiveness analyses.
Objective 2: Estimate how changes in food sales from healthy food retail interventions will impact population diets.
Stream 4 aimed to bridge the current evidence gaps related to the estimation of long term health impacts of retail interventions. This relates to how sales data translates to overall food consumption and the population impact of retail interventions in specific settings where there is limited data on compensatory purchasing behaviour. One aspect of this was a Systematic review of economic evaluations of retail interventions to map the evidence and assumptions commonly used when assessing the health impact of retail interventions.
Objective 3: Model the long-term health outcomes, equity impact, and cost-effectiveness of healthy food retail interventions for the Australian population.
Stream 4 worked closely with stream 2 and 3 to evaluate the cost-effectiveness of novel retail interventions. These included:
- The Eat Well @ IGA study
- ‘Supporting food companies to implement policies for improving population nutrition’
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