Understanding, promoting and predicting sustainable diets: A systematic review

Biasini, Beatrice; Rosi, Alice; Giopp, Francesca; Turgut, Rana; Scazzina, Francesca; Menozzi, Davide

doi:10.1016/j.tifs.2021.02.062

Cited by 61 publications

(55 citation statements)

References 71 publications

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“…Prior applications of the TPB in predicting food consumption behaviour have shown that the TPB components are able to explain from 39 to 50% of the variance in intention and 27-36% of the variance in behaviour [22]. The potential of the TPB as a model for understanding sustainable behaviours was confirmed by a review conducted by Biasini and colleagues [23] which found a wide range of explained variance of intention (7-87%) and behaviour (3-81%). Another review found that the theory accounted for on average 21% of the variance predicted in health-oriented dietary behaviour [24].…”

Section: The Theoretical Frameworkmentioning

confidence: 89%

“…Nevertheless, this study has confirmed that the self-reported measure of behaviour is better predicted than the observed one, in both countries. Lower predictive power is common in studies addressing more objective, rather that self-reported, behaviour [ 23 , 24 , 29 ]. This may be explained by the stronger measurement correspondence when self-reported measures are used; as in the present study, usually the self-reported measure of behaviour is more in line with the measure of intention, whereas the observed measure is not [ 22 ].…”

Section: Discussionmentioning

confidence: 99%

“…This may be explained by the stronger measurement correspondence when self-reported measures are used; as in the present study, usually the self-reported measure of behaviour is more in line with the measure of intention, whereas the observed measure is not [ 22 ]. Despite this discrepancy, others have suggested to combine subjective and objective behavioural assessments to identify potential gaps between the self-perception of behaviour and its actual performance [ 23 ]. When modelling past behaviour as a predictor of intentions and observed behaviour, we have shown that it accounts for additional variance in intentions, even after controlling for attitudes, subjective norms, moral norms, trust, and PBC, incrementing its predictive power of 1 and 3% in France and Italy, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…We need to address some limitations of this study. First, we adopted a cross-sectional study design; even though this is quite common in TPB studies, being more feasible and less resource-intensive compared to longitudinal design [ 23 ], we were not able to provide a prospective prediction of the behaviour, and we were not in a position to analyse the causal relationship between dependent and independent variables [ 24 ]. Therefore, we did not have a perfect compatibility of behaviour with their antecedents; this might have deflated the predictive power of the model, in particular when the observed measure was applied.…”

Section: Discussionmentioning

confidence: 99%

“…However, assuming that behaviour would be relatively stable over time, present intentions are likely to reflect past experience, and it is often assumed that they correlate better with a retrospective, than with a prospective measure of behaviour [ 29 ]. Indeed, other reviews have shown that intentions correlate better with self-reports than with more objective measures of behaviour [ 23 , 24 , 29 ]. In this paper, we applied two different behaviour measures: a self-reported measure of past behaviour, and a more objective measure of behaviour based on a discrete choice experiment (DCE) conducted with the two products, Parmigiano Reggiano PDO in Italy and Comté PDO in France.…”

Section: The Theoretical Frameworkmentioning

confidence: 99%

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Choice Drivers for Quality-Labelled Food: A Cross-Cultural Comparison on PDO Cheese

Menozzi

Giraud

Saïdi

et al. 2021

Foods

Self Cite

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This study aims at examining the consumers’ preferences and drivers affecting the choice of quality-labelled food products, i.e., protected designation of origin (PDO) labelled cheese. We applied the theory of planned behaviour (TPB) to analyse the purchase of Parmigiano Reggiano PDO and Comté PDO hard cheeses in Italy and France, respectively. A cross-sectional sample of 808 consumers (400 French and 408 Italian) completed a questionnaire. Structural equation modelling (SEM) indicated perceived behavioural control (PBC) and attitude to be significant predictors of intention to purchase PDO-labelled cheese in France and Italy. Subjective and moral norms affected intention in France. Intention significantly influenced the hard cheese purchase behaviour. The results confirm that the TPB model predicted the self-reported measure of behaviour more than the observed one, measured with a discrete choice experiment, in both countries. The TPB interrelationships varied between countries, suggesting that food systems operators and public authorities should carefully target their intervention to stimulate the demand of PDO-labelled products.

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Section: The Theoretical Frameworkmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: The Theoretical Frameworkmentioning

confidence: 99%

See 3 more Smart Citations

Choice Drivers for Quality-Labelled Food: A Cross-Cultural Comparison on PDO Cheese

Menozzi

Giraud

Saïdi

et al. 2021

Foods

Self Cite

View full text Add to dashboard Cite

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A theory‐driven design framework for smartphone applications to support healthy and sustainable grocery shopping

Blanke

Billieux

Vögele

2021

Human Behav and Emerg Tech

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Modeling behavior has been a core topic of Psychology and the Social Sciences since their respective inception as academic disciplines. This has resulted in a fractured landscape of different theories, all addressing different aspects of behavior. At the same time the need to formalize the design of computer and smartphone applications has spawned the field of User Experience (UX). With the convergence of everyday behavior and the use of mobile devices the overlap between these two fields becomes ever more important. In this paper we present a comprehensive model of behavior, integrating five well‐established theories, with the aim of creating a design framework for smartphone applications that foster motivation and promote the execution of a target behavior. The operationalization of the approach is demonstrated by showing how to design and implement a prototypical application to support healthy and sustainable grocery shopping behavior. While the framework proposed is not limited to this application, it is used to exemplify the relation with previous design approaches, and the concrete implications of the model‐derived framework on its implementation. Our view is that both areas of research can benefit from each other: findings from behavioral theory can inform application design, while at the same time the ubiquitous integration of mobile applications allows to dynamically apply, operationalize, and implement behavioral models into everyday life.

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Assessment of the diet-environment-health-cost quadrilemma in public school canteens. an LCA case study in Galicia (Spain)

Fernández

Rodríguez

Neira

2022

Environ Dev Sustain

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The role of policies and public school canteens as drivers of sustainable and healthy diets is increasingly becoming the center of attention of academics and policy-makers alike. This work therefore aims to assess the environmental, economic and nutritional quality dimensions of the menus consumed across the Local Network of School Canteens in the municipality of Ames (Galicia, Spain). It additionally performs different scenarios to evaluate the effects on the environment-cost-nutritional quality trilemma of implementing two major dietary changes in these menus: introducing more organic products, and shifting toward a more plant-based consumption pattern. To this end, this study considers the following indicators: a) those obtained from an energy and carbon life cycle assessment of the school menus (cradle-to-grave approach), mainly the cumulative energy demand (CED) and the carbon footprint (CF), complemented by some energy efficiency indicators; b) the total cost (TC) of the menus, obtained from their life cycle cost assessment (cradle-to-fork approach); and c) the nutritional quality of the menus, calculated and assessed based on the nutrient rich diet index (NRD 9.3). The CED, CF, TC, and NRD 9.3 index of a daily meal at school canteens are, respectively, estimated at 18.87 MJ, 1.30 kg CO2-eq, EUR 4.65, and 278 per meal. The consumption of animal products and labor (for food preparation) are identified, respectively, as the main environmental impact and economic cost of the menus. The results of our research show how implementing changes in consumption habits toward a more vegetarian diet in school menus makes it possible to include organic products to generate the most positive effects in terms of the environment and nutrition without incurring in cost overruns. Our work discusses the main barriers to be overcome and the political actions that must be enforced to advance the procurement of more sustainable and healthy public food. Graphical abstract

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Understanding, promoting and predicting sustainable diets: A systematic review

Cited by 61 publications

References 71 publications

Choice Drivers for Quality-Labelled Food: A Cross-Cultural Comparison on PDO Cheese

Choice Drivers for Quality-Labelled Food: A Cross-Cultural Comparison on PDO Cheese

A theory‐driven design framework for smartphone applications to support healthy and sustainable grocery shopping

Assessment of the diet-environment-health-cost quadrilemma in public school canteens. an LCA case study in Galicia (Spain)

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