Table 1 Characteristics of the inclusion criteria

Intervention

Aimed i) to impact availability, affordability and/or ability to choose healthier foods and drinks, or ii) to influence food and drink purchases (including, infrastructure or monetary incentives as well as marketing strategies including promotion and placement strategies).

Implemented at point-of-sale in a supermarket, grocery store and/or vending machine.

Clearly described to justify the study being included within the scope of interventions for this review.

Population

Conducted in stores/supermarkets or vending machines aimed at both the general population and/or

organizations (e.g., monetary incentive to store to increase availability of healthy food options) but not including studies focusing on people with specific diseases. Age was not specified in the search.

Study design

Randomised controlled trials, controlled before and after studies or interrupted time series designs and analyses.

Outcomes

At least one primary outcome:

Primary: nutritional/food intake, food purchasing

Secondary: dietary biomarkers, consumer awareness, consumer knowledge, consumer self-efficacy, consumer outcome expectation, consumer beliefs, consumer attitudes, shelf-label use, shelf-label recall, healthier food stocking*, availability*, quality*, store retail practices*, policy, management* and/or organisational practices*, anthropometry, physiological measures, population health data such as mortality and/or morbidity data.

Comparator of interest

Intervention described above compared to no intervention reporting any of the outcomes described above.

Statistical analysis

Effect of the intervention in relation to an historical or concurrent control group for the primary and/or secondary outcome measures.

Language

English, Portuguese or Spanish as one author is fluent is these three languages.