NCT07526584

Brief Summary

The goal of this study is to examine what type of front-of-package label (FOPL) would be most effective at discouraging consumption of products high in nutrients of concern in Indonesia. The main questions this experiment aims to answer are:

  1. 1.Would nutrient warning labels be more effective at discouraging consumption of products high in nutrients of concern compared to the Nutri-Level label?
  2. 2.Would nutrient warning labels improve consumers' ability to identify unhealthy products compared to the Nutri-Level label?

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
1,000

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Apr 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2026

Completed
5 days until next milestone

First Submitted

Initial submission to the registry

April 6, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

April 13, 2026

Completed
18 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2026

Completed
Last Updated

April 13, 2026

Status Verified

March 1, 2026

Enrollment Period

1 month

First QC Date

April 6, 2026

Last Update Submit

April 6, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Correct identification of products high in nutrients of concern

    Correct identification of products as high in nutrients of concern will be measured categorically by survey. Response will be coded in a dichotomous 0-1 range, where 1 indicates that the participant correctly identified that the product was high in a nutrient of concern and 0 indicates that the participant did not correctly identify that the products was high in a nutrient of concern.

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

Secondary Outcomes (7)

  • Perceived message effectiveness

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

  • Attention drawn by the labels

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

  • Ease of understanding the labels

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

  • Support for the labels

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

  • Trust in the labels

    During exposure to intervention (i.e., study stimuli), assessed during one-time online 10-minute survey.

  • +2 more secondary outcomes

Study Arms (2)

Nutrient Warning Label

EXPERIMENTAL

Participants are assigned to view food products displaying nutrient warning labels indicating that the product is high in sugar, salt, and/or fat.

Behavioral: Nutrient Warning Label

Nutri-Level

EXPERIMENTAL

Participants are assigned to view food products displaying a Nutri-Level summary nutrition label.

Behavioral: Nutri-Level

Interventions

Presentation of food products with one or more nutrient warning labels (black octagons) indicating that the product is high in sugar, salt, and/or fat.

Nutrient Warning Label
Nutri-LevelBEHAVIORAL

Presentation of food products with a Nutri-Level summary nutrition label assigning a letter grade (A-D) based on sugar, salt, and/or fat content.

Nutri-Level

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years of age or older
  • Lives in Indonesia
  • Able to read and write in Indonesian
  • Has purchased processed foods in the last month

You may not qualify if:

  • Less than 18 years old
  • Does not live in Indonesia
  • Not able to read and write in Indonesian
  • Has not purchased processed foods in the last month

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Carolina Population Center

Chapel Hill, North Carolina, 27516, United States

Location

MeSH Terms

Conditions

ObesityOverweight

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Lindsey S Taillie, PhD

    University of North Carolina, Chapel Hill

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Aline D'Angelo Campos, PhD, MPP

CONTACT

Corey Levinson, MPH

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 6, 2026

First Posted

April 13, 2026

Study Start

April 1, 2026

Primary Completion

May 1, 2026

Study Completion

May 1, 2026

Last Updated

April 13, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

The Study Protocol and Statistical Analysis Plan will be shared prior to data collection. After data collection and analysis, a de-identified version of individual participant data and the analytic code will be shared through the Open Science Framework (OSF).

Shared Documents
STUDY PROTOCOL, ANALYTIC CODE
Time Frame
The Study Protocol and statistical analysis plan will be available by April 2026 (prior to data collection). A de-identified version of the data collected and analytic code used will become available after data collection and analysis and will remain available indefinitely.
Access Criteria
Open access
More information

Locations