Do promotions of healthier or more sustainable foods increase sales? Findings from three natural experiments in UK supermarkets.

ABSTRACT:

Background

Dietary changes are necessary to improve population health and meet environmental sustainability targets. Here we analyse the impact of promotional activities implemented in UK supermarkets on purchases of healthier and more sustainable foods.

Methods

Three natural experiments examined the impact of promotional activities on sales of a) no-added-sugar (NAS) plant-based milk (in 199 stores), b) products promoted during 'Veganuary' (in 96 stores), and c) seasonal fruit (in 100 non-randomised intervention and 100 matched control stores). Data were provided on store-level product sales, in units sold and monetary value (£), aggregated weekly. Predominant socioeconomic position (SEP) of the store population was provided by the retailer. Analyses used interrupted time s

SUBMITTER: Luick M 

PROVIDER: S-EPMC11191299 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature