Restaurant Menu Carbon Footprint Labeling

NCT ID: NCT05592340

Last Updated: 2022-12-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

2389 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-11-03

Study Completion Date

2022-12-01

Brief Summary

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This online randomized clinical trial will test the effects of restaurant menu carbon footprint labels on consumers' choices and perceptions of restaurant menu items.

Detailed Description

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This online randomized clinical trial will test the effects of restaurant menu carbon footprint labels on consumers' choices and perceptions of restaurant menu items. Participants will be randomized to see a restaurant menu with one of two labeling schemes: 1) Control: calorie labels only; 2) Carbon footprint labels in addition to calorie labels. Participants will be instructed to select an entree to hypothetically order from an online restaurant menu. After selecting, they will be asked to answer questions about their perceptions of menu items and carbon footprint labels.The primary outcome will be the average carbon footprint of menu items chosen from the online menu.

Conditions

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Food Preferences

Keywords

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food labeling carbon footprint dietary sustainability eating choice behavior

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be randomized to see a restaurant menu with one of two labeling schemes: 1) Control: calorie labels only; 2) Carbon footprint labels in addition to calorie labels. Participants will be instructed to select an entree to hypothetically order from the online restaurant menu. We will record participants' selections and match these to nutrition and carbon footprint information.
Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Control

Calorie labels shown on online restaurant menu

Group Type ACTIVE_COMPARATOR

Exposure to calorie information

Intervention Type BEHAVIORAL

Calories for all foods and beverages

Carbon footprint labels

Carbon footprint labels shown on online restaurant menu next to every item in addition to calorie labels

Group Type EXPERIMENTAL

Exposure to calorie information

Intervention Type BEHAVIORAL

Calories for all foods and beverages

Exposure to carbon footprint information

Intervention Type BEHAVIORAL

Carbon footprint labels for all foods and beverages

Interventions

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Exposure to calorie information

Calories for all foods and beverages

Intervention Type BEHAVIORAL

Exposure to carbon footprint information

Carbon footprint labels for all foods and beverages

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* US adults aged 18 or older

Exclusion Criteria

* Younger than 18
* Non-US
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Pennsylvania

OTHER

Sponsor Role lead

Responsible Party

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Christina Roberto, PHD

Mitchell J. Blutt and Margo Krody Blutt Presidential Associate Professor of Health Policy, Perelman School of Medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Christina A Roberto, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Pennsylvania

Locations

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University of Pennsylvania

Philadelphia, Pennsylvania, United States

Site Status

Countries

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United States

Other Identifiers

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849162

Identifier Type: -

Identifier Source: org_study_id