Supermarket policies on less-healthy food at checkouts: Natural experimental evaluation using interrupted time series analyses of purchases.
Katrine T EjlerskovStephen J SharpMartine SteadAshley J AdamsonHeather BrownJean AdamsPublished in: PLoS medicine (2018)
There is a potential impact of checkout food polices on purchases. Voluntary supermarket-led activities may have public health benefits.