Rooted in routine: Fostering higher order vegetable-shopping habits using a randomised simple planning intervention
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2025-01-30
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John Wiley & Sons Ltd on behalf of International Association of Applied Psychology.
Abstract
A healthy diet is a protective factor against a host of negative health outcomes. To maintain such a diet necessitates the consumption of at least 240 g of vegetables per day. However, most of the population fails to meet this threshold. Utilising a randomised controlled trial, the present study tested the effectiveness of a one-off higher order habit intervention aimed at shopping for a variety of vegetables and the mechanisms that may support such habit development. Specifically, participants (N = 198; 54.5% female; 20 to 74 years of age) were allocated to the intervention or control group to explore (1) how effective an action- and coping-planning intervention is at targeting the formation of vegetable-shopping higher order habits and (2) whether healthy-eater identity, intrinsic motivation and self-efficacy were mechanisms of action. Follow-up measures of habit, the mechanisms of action and behaviour were taken post-intervention, weekly for 4 weeks and at 3- and 6-month follow-ups. The intervention led to stronger higher order habit formation after 6 months and that it was particularly effective for those with low baseline higher order habits for vegetable shopping. These findings demonstrate that a simple, one-off, intervention can lead to long-lasting change in higher order habits within the nutrition domain.
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This article is published as More, K. R., More, C., Harris, N., & Phillips, L. A. (2025). Rooted in routine: Fostering higher order vegetable-shopping habits using a randomised simple planning intervention. Applied Psychology: Health and Well-Being, 17(1), e12649. https://doi.org/10.1111/aphw.12649 >br>Supporting Table title: Behaviour Change Strategies per Intervention group is a supplemental file attached;
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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Royal Society of Edinburgh. Grant Number: RSE Reference Number: 2374