Nudge interventions to promote vegetable purchasing behavior: non-randomised controlled supermarket trial

Nudge interventions to promote vegetable purchasing behavior: non-randomised controlled supermarket trial - Nudge interventions to promote vegetable purchasing behavior in supermarkets

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055970

Enrollment

Registered

2024-10-28

Start date

2024-10-28

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention 1: To clarify the space reserved for vegetables, nudge materials correspond to the Easy and Attractive aspects of the EAST framework will be placed in shopping carts. Intervention 2: In a

Intervention 1,&quot

posters showing the amount of vegetables required for 70 g, which corresponds to the Attractive, Social, and Timely aspects of the EAST framework, will be placed in the vegetable section. Control: no

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Mid-sized stores with similar customer base and sales trends, located more than 3 km apart.

Exclusion criteria

Exclusion criteria: Data that the store staff pointed out as clearly incorrect.

Design outcomes

Primary

Measure	Time frame
Vegetable sales amount and number of sales recorded in the Point of Sale (POS) system	—

Secondary

Measure	Time frame
Sales amount, number of sales, and number of buyers of non-vegetable items recorded in the POS system	—

Countries

Japan

Contacts

Public ContactSatoshi Seino

Yamagata University Institute of Well-Being

seino.s@med.id.yamagata-u.ac.jp023-628-5166

Outcome results