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Related Experiment Video

Updated: Nov 10, 2025

Assessment of Social Transmission of Food Preferences Behaviors

Assessment of Social Transmission of Food Preferences Behaviors

Published on: January 25, 2018

Pro-environmental behavior predicts adherence to plant-based diets.

Jana Krizanova¹, Daniel L Rosenfeld², A Janet Tomiyama²

¹Faculty of Economics and Business, University of Granada, Spain.

|April 4, 2021

Summary

Valuing pro-environmental behaviors boosts adherence to plant-based diets. This lifestyle choice supports both short-term and long-term dietary success, aiding health and sustainability goals.

Keywords:

Adherence Connectedness to nature Plant-based diet Political ideology Pro-environmental behavior Vegetarianism

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Area of Science:

Environmental Psychology
Nutritional Science
Behavioral Science

Background:

Plant-based diets offer health and environmental benefits but face challenges with long-term adherence.
Many individuals attempting vegetarian or vegan diets struggle with consistency and may revert to meat consumption.

Purpose of the Study:

To investigate whether valuing pro-environmental behaviors enhances adherence to plant-based diets.
To examine the role of pro-environmental behavior in predicting both short-term and future dietary adherence.

Main Methods:

A survey study was conducted among individuals following plant-based diets.
Data collected included measures of short-term adherence (past 3 days) and future-intended adherence (next 1-2 years).
Pro-environmental behavior, connectedness to nature, political ideology, and other motivational/demographic factors were assessed.

Main Results:

Pro-environmental behavior was a significant positive predictor of both short-term and future-intended plant-based dietary adherence.
This effect remained significant even when controlling for other relevant factors.
Pro-environmental behavior mediated the relationship between connectedness to nature and dietary adherence.
Pro-environmental behavior also mediated the relationship between political ideology and dietary adherence.

Conclusions:

Pro-environmental behavior is a key factor in maintaining adherence to plant-based diets.
Understanding and promoting pro-environmental values can be a strategy to improve dietary adherence.
This research offers insights into the psychological drivers behind successful plant-based eating patterns.