UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055970
Receipt number R000063967
Scientific Title Nudge interventions to promote vegetable purchasing behavior: non-randomised controlled supermarket trial
Date of disclosure of the study information 2024/10/28
Last modified on 2025/10/30 13:40:24

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Basic information

Public title

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

Acronym

Nudge interventions to promote vegetable purchasing behavior in supermarkets

Scientific Title

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

Scientific Title:Acronym

Nudge interventions to promote vegetable purchasing behavior in supermarkets

Region

Japan


Condition

Condition

N/A

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine the effects of nudge interventions in supermarkets on vegetable purchasing behavior of customers.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Vegetable sales amount and number of sales recorded in the Point of Sale (POS) system

Key secondary outcomes

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


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

No treatment

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Behavior,custom

Interventions/Control_1

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.

Interventions/Control_2

Intervention 2: In addition to the nudge intervention in "Intervention 1," 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.

Interventions/Control_3

Control: no treatment

Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

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

Key exclusion criteria

Data that the store staff pointed out as clearly incorrect.

Target sample size

3


Research contact person

Name of lead principal investigator

1st name Satoshi
Middle name
Last name Seino

Organization

Yamagata University

Division name

Institute of Well-Being

Zip code

990-9585

Address

2-2-2 Iida-nishi, Yamagata city, Yamagata

TEL

023-628-5166

Email

seino.s@med.id.yamagata-u.ac.jp


Public contact

Name of contact person

1st name Satoshi
Middle name
Last name Seino

Organization

Yamagata University

Division name

Institute of Well-Being

Zip code

990-9585

Address

2-2-2 Iida-nishi, Yamagata city, Yamagata

TEL

023-628-5166

Homepage URL


Email

seino.s@med.id.yamagata-u.ac.jp


Sponsor or person

Institute

Yamagata University

Institute

Department

Personal name

Satoshi Seino


Funding Source

Organization

Yamagata University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The Ethical Review Committee of Yamagata University Faculty of Medicine

Address

2-2-2 Iida-nishi, Yamagata city, Yamagata

Tel

023-628-5047

Email

yu-ikekenkyu@jm.kj.yamagata-u.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2024 Year 10 Month 28 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

3

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2024 Year 10 Month 28 Day

Date of IRB

2024 Year 10 Month 23 Day

Anticipated trial start date

2024 Year 10 Month 28 Day

Last follow-up date

2024 Year 11 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2024 Year 10 Month 28 Day

Last modified on

2025 Year 10 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063967