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Investigating Web-Based Nutrition Education Interventions for Promoting Sustainable and Healthy Diets in Young Adults: A Systematic Literature Review

Author

Listed:
  • Nadine Ghammachi

    (Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia)

  • Putu Novi Arfirsta Dharmayani

    (Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia)

  • Seema Mihrshahi

    (Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia)

  • Rimante Ronto

    (Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia)

Abstract

Background: Our current rapidly growing food systems are imposing a heavy burden on both environmental sustainability and human health. Sustainable and healthy diets aim to promote optimal health and have a minimal environmental impact. This study aimed to critically review and synthesise the evidence on the effectiveness of web-based nutrition education interventions aiming to promote sustainable and healthy diets among young adults. Methods: A systematic search of four databases (Medline, PsycINFO, Scopus, and Embase) was conducted in March 2021. Studies were included if they used an online platform to deliver the intervention to young adults and measured at least one aspect of sustainable and healthy diets, such as plant-based food intake, food waste, and local and seasonal produce. Of the 2991 studies, a total of 221 full-text articles were assessed for eligibility of which 22 were included in the final review. Results: A majority of the studies (82%) targeted fruit and vegetable consumption, and close to a quarter of studies (23%) targeted other aspects of a sustainable and healthy diet, such as red meat intake. Only one study included multiple aspects of a sustainable and healthy diet. Program delivery outcomes reported overall positive feedback and engagement. Conclusion: This review suggests that web-based interventions may be effective in promoting some sustainable diet-related outcomes in young adults. However, there is a need for developing and evaluating future programs to promote sustainable diets more comprehensively in order to help young adults make healthy and sustainable food choices.

Suggested Citation

  • Nadine Ghammachi & Putu Novi Arfirsta Dharmayani & Seema Mihrshahi & Rimante Ronto, 2022. "Investigating Web-Based Nutrition Education Interventions for Promoting Sustainable and Healthy Diets in Young Adults: A Systematic Literature Review," IJERPH, MDPI, vol. 19(3), pages 1-13, February.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:3:p:1691-:d:740435
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    References listed on IDEAS

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    1. Irz, Xavier & Leroy, Pascal & Réquillart, Vincent & Soler, Louis-Georges, 2016. "Welfare and sustainability effects of dietary recommendations," Ecological Economics, Elsevier, vol. 130(C), pages 139-155.
    2. Carfora, V. & Caso, D. & Conner, M., 2017. "Correlational study and randomised controlled trial for understanding and changing red meat consumption: The role of eating identities," Social Science & Medicine, Elsevier, vol. 175(C), pages 244-252.
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