Documentary to Encourage Plant-based Eating

NCT04507087 | Completed

• 1 other identifier: eatingveg
• Study Type: interventional
• Target: 650
• Locations: 1 country
• Sites: 1

Brief Summary

This study will assess whether watching a documentary video about the health, environmental, and ethical consequences of eating meat and animal products reduces participants' self-reported intake of these items.

Conditions

Eating Behavior

Outcome Measures

Primary Outcomes (1)

• Total meat and animal product consumption

  Self-reported meat and animal product consumption (ounces consumed over the past week)

  Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection

Secondary Outcomes (4)

• Total meat consumption

  Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection

• Total animal product consumption

  Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection

• Consumption of each of 8 individual categories of meats and animal products

  Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection

• Total consumption of selected, healthy plant-based foods (ounces consumed over the past week)

  Consumption over the 1-week time frame spanning approximately 1 week to 2 weeks after baseline data collection

Other Outcomes (6)

• Perceived importance of health

  2 weeks after baseline data collection

• Perceived importance of environmental sustainability

  2 weeks after baseline data collection

• Perceived importance of animal welfare

  2 weeks after baseline data collection

Study Arms (2)

Intervention

EXPERIMENTAL

See detailed preregistration: https://osf.io/xrckh/registrations

Behavioral: Documentary

Control

SHAM COMPARATOR

See detailed preregistration: https://osf.io/xrckh/registrations

Behavioral: Control

Interventions

Documentary BEHAVIORAL

A 20-minute documentary about the health, environmental, and animal welfare consequences of eating meat and animal products

Intervention

Control BEHAVIORAL

A 20-minute unrelated video (a motivational talk entitled "Listening to shame")

Control

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Participant is currently located in the United States
• Participant is at least 18 years old

You may not qualify if:

• Participant is located outside the United States
• Participant is less than 18 years old

Sponsors & Collaborators

• Stanford University: lead

Study Sites (1)

Maya Mathur

Palo Alto, California, 94304, United States

Location

Related Links

• Future location of data, code, and materials
• Detailed preregistration

MeSH Terms

Conditions

Feeding Behavior

Condition Hierarchy (Ancestors)

Behavior, Animal; Behavior

Study Officials

• Maya B Mathur, PhD

  Stanford University

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: OTHER
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor

Study Record Dates

• First Submitted: July 31, 2020
• First Posted: August 11, 2020
• Study Start: August 26, 2020
• Primary Completion: September 7, 2020
• Study Completion: December 31, 2020
• Last Updated: March 17, 2021

Record last verified: 2021-03

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF, ANALYTIC CODE
• Time Frame: Immediately upon journal acceptance or earlier if possible given embargo policies.
• Access Criteria: Public availability

Locations

US (1)