"Make It Fresh, For Less" Supermarket Pilot Study

Status Completed

Clinical Trial Summary

The purpose of this study is to examine the impact of environmental modifications (choice architecture and a marketing campaign) in combination with weekly text messages on purchases of foods made by parents shopping in a large supermarket.

Clinical Trial Description

The "Make It Fresh, For Less" Supermarket Pilot Study is a supermarket-based intervention developed by the Harvard T.H. Chan School of Public Health in collaboration with the nonprofit organization ChopChop Magazine (chopchopmagazine.org) and a large Northeastern supermarket chain. A promotional campaign advertising low-cost, kid-friendly meals was piloted in one store selected by the supermarket partner, with promotions rotating every 4 weeks during a 16-week intervention period. Parent shoppers were recruited (n=401) at the store and given a study loyalty card to track their transactions. At the start of the intervention, half of the participants were additionally randomized to receive weekly behavioral messages via text message or email. Supermarket purchases were assessed at baseline, during the 16-week intervention, and up to 6-weeks post-intervention.

Primary Aim 1: to examine the impact of a choice architecture intervention in combination with a promotional campaign on food purchases of parents shopping in a large supermarket. It is hypothesized that there will be an increase in selection of foods targeted by the promotional campaign when physical modifications are made.

Primary Aim 2: to examine the impact of weekly behavioral messages in combination with an environmental change intervention on food purchases of parents shopping in a large supermarket. It is hypothesized that there will be a greater increase in selection of foods targeted by the promotional campaign among participants receiving the messages compared to participants exposed to the environmental change intervention alone. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03340363
Study type	Interventional
Source	Harvard School of Public Health
Contact
Status	Completed
Phase	N/A
Start date	October 8, 2015
Completion date	January 1, 2017

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