Behavior Change / Adherence

A model of the dynamics of household vegetarian and vegan rates in the U.K.

Although there are many studies of determinants of vegetarianism and veganism, there have been no previous studies of how their rates in a population jointly change over time. In this paper, we present a flexible model of vegetarian and vegan dietary choices, and derive the joint dynamics of rates of consumption. We fit our model to a pseudo-panel with 23 years of U.K. household data, and find that while vegetarian rates are largely determined by current household characteristics, vegan rates are additionally influenced by their own lagged value.

Web-Based Recruitment and Survey Methodology to Maximize Response Rates from Followers of Popular Diets: the Adhering to Dietary Approaches for Personal Taste (ADAPT) Feasibility Survey.

BACKGROUND: Although there is interest in popular diets such as vegan and vegetarian, Paleo, and other "whole food" diets, existing cohort studies lack data for these subgroups. The use of electronic data capture and Web-based surveys in nutrition research may be valuable for future studies by allowing targeting of specific dietary subgroups.
OBJECTIVE: The aim was to perform a Feasibility Survey (FS) to assess the practicality of Web-based research methods to gather data and to maximize response rates among followers of popular diets.

Recruitment, adherence, and retention of endometrial cancer survivors in a behavioural lifestyle programme: the Diet and Exercise in Uterine Cancer Survivors (DEUS) parallel randomised pilot trial.

OBJECTIVE: Healthy eating and physical activity may help endometrial cancer survivors (ECS) improve their quality of life. However, most ECS do not meet the relevant guidelines. This pilot trial aimed to test the study feasibility procedures for a definitive trial of a behavioural lifestyle programme. DESIGN AND SETTING: This 24-week parallel two-arm randomised pilot trial took place in two hospitals in London, UK (April 2015-June 2016). PARTICIPANTS: Sixty disease-free ECS within 3 years of diagnosis.

Vegetarian or meat? Food choice modeling of main dishes occurs outside of awareness.

It is well established that the amount eaten by other people affects how much we eat, but unanswered questions exist regarding how much the food choices of other people affect the types of food that we choose. Past research on food choice modeling has primarily been conducted in controlled laboratory situations and has focused on snack foods. The current research examines the extent to which food choice modeling of a main dish occurs in a real-life context and whether people are aware of being influenced by others.

Conservatism predicts lapses from vegetarian/vegan diets to meat consumption (through lower social justice concerns and social support).

Lapses from vegetarian and vegan (i.e., veg*n) food choices to meat consumption are very common, suggesting that sustaining veg*nism is challenging. But little is known about why people return to eating animals after initially deciding to avoid meat consumption. Several potential explanatory factors include personal inconvenience, meat cravings, awkwardness in social settings, or health/nutrition concerns. Here we test the degree to which political ideology predicts lapsing to meat consumption.

Understanding the attitudes and perceptions of vegetarian and plant-based diets to shape future health promotion programs.

Vegetarian diets have become a prominent area of interest. However, little research has focused on the attitudes and perceptions on vegetarian diets. The purpose of this scoping review was to methodologically search the literature and summarize public perceptions and attitudes towards a vegetarian diet. Using the information found from this review, the Health Belief Model can be applied to shape future health promotion initiatives to move individuals towards a vegetarian or plant-based diet. The main findings indicate that vegetarian diets are generally perceived in a positive light.

Motives of consumers following a vegan diet and their attitudes towards animal agriculture

The number of consumers following a vegan diet has notably increased in many industrialised countries and it is likely that their influence on the food sector will continue to grow. The aim of the present study was to identify different segments of consumers according to their motivation for following a vegan diet. Another objective was to analyse the attitudes of these consumers towards animal agriculture.

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