This randomized controlled trial (SuperWIN, NCT03895580) evaluated two in-person, dietitian-led dietary interventions (Strategy 1: in-store education only; Strategy 2: in-store education plus online tools) versus an enhanced control group in 247 participants. The primary endpoint was change in Dietary Approaches to Stop Hypertension (DASH) score at 3 months. Both strategies significantly increased DASH scores compared to the control group (combined Strategies 1 and 2: 4.7 point increase, P=0.02), with Strategy 2 showing a further improvement over Strategy 1 (3.8 point increase, P=0.01). The study demonstrates the efficacy of supermarket-based interventions and online tools in improving dietary quality.
Publisher
Nature Medicine
Published On
Dec 01, 2022
Authors
Dylan L. Steen, Robert N. Helsley, Deepak L. Bhatt, Eileen C. King, Suzanne S. Summer, Matthew Fenchel, Brian E. Saelens, Mark H. Eckman, Sarah C. Couch
Tags
Dietary Approaches to Stop Hypertension
supermarket interventions
dietitian-led
DASH score
randomized controlled trial
online tools
dietary quality
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