Encouraging Healthy and Sustainable Dietary Substitutions

NCT ID: NCT06175026

Last Updated: 2024-11-12

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1753 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-22

Study Completion Date

2024-02-02

Brief Summary

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The aim of this study is to examine emerging adults' responses to dietary substitution messages about health, the environment, or both health and the environment.

Detailed Description

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This online study will examine emerging adults' responses to dietary substitution messages about 4 different topics. Participants will be randomized to 1 of 4 topic arms: 1) Control (neutral topic, not related to health or the environment); 2) Health topic; 3) Environment topic; 4) Health and Environment topic. Participants will view messages about each of 4 dietary substitutions: replacing red meat with chicken or vegetarian options; replacing dairy milk with non-dairy milk; replacing juice with whole fruit; and replacing sugar-sweetened beverages with water. For each dietary substitution, participants will view 2 messages about their assigned topic, with the 2 messages shown in random order. Participants will rate each message on perceived message effectiveness (primary outcome).

Conditions

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Food Selection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Health messages

Messages shown will be related to the health impacts of making certain dietary substitutions (replacing beef with chicken and vegetarian entrees; replacing juice with whole fruit; replacing dairy milk with non-dairy milk; replacing sugar-sweetened beverages with water).

Group Type EXPERIMENTAL

Health messages

Intervention Type BEHAVIORAL

Participants view messages about the health impacts of certain dietary substitutions.

Environment messages

Messages shown will be related to the environmental impacts of making certain dietary substitutions (replacing beef with chicken and vegetarian entrees; replacing juice with whole fruit; replacing dairy milk with non-dairy milk; replacing sugar-sweetened beverages with water).

Group Type EXPERIMENTAL

Environmental messages

Intervention Type BEHAVIORAL

Participants view messages about the environmental impacts of certain dietary substitutions.

Health and environment messages

Messages shown will be related to the health and environmental impacts of making certain dietary substitutions (replacing beef with chicken and vegetarian entrees; replacing juice with whole fruit; replacing dairy milk with non-dairy milk; replacing sugar-sweetened beverages with water).

Group Type EXPERIMENTAL

Health and environmental messages

Intervention Type BEHAVIORAL

Participants view messages about the health and environmental impacts of certain dietary substitutions.

Neutral messages

Messages shown will be neutral and unrelated to the health or environmental impacts of making certain dietary substitutions (replacing beef with chicken and vegetarian entrees; replacing juice with whole fruit; replacing dairy milk with non-dairy milk; replacing sugar-sweetened beverages with water).

Group Type ACTIVE_COMPARATOR

Neutral messages

Intervention Type BEHAVIORAL

Participants view neutral messages unrelated to the health and environmental impacts of certain dietary substitutions.

Interventions

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Health messages

Participants view messages about the health impacts of certain dietary substitutions.

Intervention Type BEHAVIORAL

Environmental messages

Participants view messages about the environmental impacts of certain dietary substitutions.

Intervention Type BEHAVIORAL

Health and environmental messages

Participants view messages about the health and environmental impacts of certain dietary substitutions.

Intervention Type BEHAVIORAL

Neutral messages

Participants view neutral messages unrelated to the health and environmental impacts of certain dietary substitutions.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Age between 18-25 years
* Reside in the United States
* Ability to complete a survey in English

Exclusion Criteria

* Older than 25 years; younger than 18 years
* Reside outside of the United States
* Unable to complete a survey in English
Minimum Eligible Age

18 Years

Maximum Eligible Age

25 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Heart, Lung, and Blood Institute (NHLBI)

NIH

Sponsor Role collaborator

Stanford University

OTHER

Sponsor Role lead

Responsible Party

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Anna Grummon

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Anna Grummon, PhD

Role: PRINCIPAL_INVESTIGATOR

Assistant Professor

Locations

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Stanford School of Medicine

Palo Alto, California, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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K01HL158608

Identifier Type: NIH

Identifier Source: secondary_id

View Link

71737

Identifier Type: -

Identifier Source: org_study_id

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