Food Swaps for Healthy Eating

Recruiting in Palo Alto (17 mi)

Overseen byAnna H. Grummon, PhD

Age: 18+

Sex: Any

Travel: May Be Covered

Time Reimbursement: Varies

Trial Phase: Academic

Waitlist Available

Sponsor: Stanford University

No Placebo Group

Trial Summary

What is the purpose of this trial?The study aims to determine whether receiving recommendations for healthier or more environmentally sustainable swaps (or both) in an online grocery store environment improves the healthfulness and environmental sustainability of consumers' food and beverage purchases compared to shopping as usual without swap recommendations. The online store will record participants' selections. Participants will also be asked to complete survey measures.

Eligibility Criteria

This trial is for individuals interested in making healthier and more environmentally sustainable food choices. Participants should be regular online grocery shoppers willing to receive recommendations for alternative products. Specific eligibility criteria are not provided, so generally healthy adults who shop online may apply.

Inclusion Criteria

Have internet access to complete the 3 online study visits

Reside in the United States

I am 18 years old or older.

+1 more

Exclusion Criteria

Reside outside of the United States

I do not have internet access for online study visits.

I am under 18 years old.

+1 more

Participant Groups

The study tests if suggesting healthier or eco-friendlier food swaps—or a combination of both—can improve the nutritional quality and sustainability of online grocery purchases compared to usual shopping without suggestions.

4Treatment groups

Experimental Treatment

Active Control

Group I: Health swapsExperimental Treatment1 Intervention

Labels will be "health grades" for products and replacement swap suggestions will be for items with a better "health grade."

Group II: Environment swapsExperimental Treatment1 Intervention

Labels will be "climate grades" for products and replacement swap suggestions will be for items with a better "climate grade."

Group III: Combined health and environment swapsExperimental Treatment1 Intervention

Labels will be "health grades" and "climate grades" for products and replacement swap suggestions will be for items with a better "health grade" or better "environment grade."

Group IV: ControlActive Control1 Intervention

No labels or swaps.