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Understanding the Self-Perceived Barriers and Enablers toward Adopting a Mediterranean Diet in Australia: An Application of the Theory of Planned Behaviour Framework

Author

Listed:
  • Nicole Scannell

    (School of Health and Behavioural Sciences, University of the Sunshine Coast, Sippy Downs, QLD 4556, Australia)

  • Anthony Villani

    (School of Health and Behavioural Sciences, University of the Sunshine Coast, Sippy Downs, QLD 4556, Australia)

  • Evangeline Mantzioris

    (UniSA Clinical and Health Sciences, Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Adelaide, SA 5001, Australia)

  • Libby Swanepoel

    (School of Health and Behavioural Sciences, University of the Sunshine Coast, Sippy Downs, QLD 4556, Australia)

Abstract

The transferability of a Mediterranean diet (MedDiet) in non-Mediterranean populations is appealing. However, little is known about the perceived enablers or barriers toward adherence, particularly in Australia. This study aimed to investigate the perceived beliefs, barriers, and enablers toward adherence to a MedDiet in Australian adults. Barriers and enablers were assessed using a self-administered online questionnaire, which included questions aligned with the Theory of Planned Behaviour (TPB). The survey was completed by n = 606 participants. Barriers and enablers toward adherence to MedDiet were grouped under the three core constructs of the TPB: attitudes (suitability, taste, restrictive, food waste); social norms (food culture); and perceived behavioural control (PBC) (motivation, affordability, time/effort, food access, knowledge, food outlets, natural conditions, cooking skills). PBC emerged as the most prominent construct influencing intention to follow a MedDiet. Perceived health benefits ( n = 445; 76.5%) and improved diet quality ( n = 224; 38.5%) were identified as major advantages. In contrast, dietary adherence ( n = 147; 39.7%) was perceived as an important disadvantage. Future MedDiet interventions, in both research and clinical settings, should consider adopting strategies aimed at improving self-efficacy to reduce self-perceived barriers and facilitate dietary adherence.

Suggested Citation

  • Nicole Scannell & Anthony Villani & Evangeline Mantzioris & Libby Swanepoel, 2020. "Understanding the Self-Perceived Barriers and Enablers toward Adopting a Mediterranean Diet in Australia: An Application of the Theory of Planned Behaviour Framework," IJERPH, MDPI, vol. 17(24), pages 1-21, December.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:24:p:9321-:d:461298
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    References listed on IDEAS

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    1. Ajzen, Icek, 1991. "The theory of planned behavior," Organizational Behavior and Human Decision Processes, Elsevier, vol. 50(2), pages 179-211, December.
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    Cited by:

    1. F. Xavier Medina, 2021. "Mediterranean Diet: The Need for Cross-Disciplinary Perspectives," IJERPH, MDPI, vol. 18(11), pages 1-5, May.
    2. WeiMing Ye & Qian Li & Shubin Yu, 2021. "Persuasive Effects of Message Framing and Narrative Format on Promoting COVID-19 Vaccination: A Study on Chinese College Students," IJERPH, MDPI, vol. 18(18), pages 1-13, September.

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