Store-directed price promotions and communications strategies improve healthier food supply and demand: impact results from a randomized controlled, Baltimore City store-intervention trial.

However, intentions to sustain stock of Phase 3 snack foods increased in all intervention groups compared with control, trending towards significance (G1: β =2·6, 95 % CI −0·7, 5·8, P =0·1; G2: β =3·1, 95 % CI −0·3, 6·5, P =0·07; G3: β =2·8, 95 % CI −0·2, 5·7, P =0·06).

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The sales of promoted items also increased in the combined pricing and communications group (G3) compared with control, as an increase in total sales of promoted items that did not reach statistical significance at conventional levels and a statistically significant increase in sales of Phase 3 snacks.

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