Adherence to the mediterranean diet and sustainable nutrition: the role of nutrition literacy across generations

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dc.contributor.authorPınarlı Falakacılar, Çağla
dc.contributor.authorTerzi, Merve
dc.contributor.authorÖzvar Kütük, Merve
dc.date.accessioned2026-01-29T11:40:29Z
dc.date.available2026-01-29T11:40:29Z
dc.date.issued2026
dc.departmentFakülteler, Sağlık Bilimleri Fakültesi, Beslenme ve Diyetetik Bölümü
dc.description.abstractBackground: Sustainable diets, particularly the Mediterranean diet, are associated with improved human and planetary health. Nutrition literacy influences food choices, yet intergenerational differences in literacy and adherence to sustainable diets remain underexplored. This study examined the relationship between nutrition literacy, adherence to the Mediterranean diet, and sustainable nutrition behaviors among Generation X, Y, and Z adults living in Istanbul. Methods: A cross-sectional online survey was conducted among adults aged 18-60 years. Data were collected through a demographic questionnaire, the E-Healthy Nutrition Literacy Scale, and the Short Questionnaire for Mediterranean Diet Adherence and Sustainable Nutrition. Parametric statistical analyses were performed. Results: Among 1395 participants, adherence to the Mediterranean diet did not significantly differ by generation or gender (p > 0.05). Participants with prior nutrition education were significantly more likely to achieve high nutrition literacy scores and adhere to sustainable eating practices. Adherence to sustainable nutrition increased across generations, with Generation Z exhibiting the highest proportion of low adherence (53%), while Generations Y and X demonstrated progressively higher rates of moderate (39%) and high adherence (31.6%) (p < 0.05). Correlation analyses indicated that adherence to sustainable nutrition was positively associated with the application dimension of nutrition literacy, suggesting that both knowledge and practical skills may influence sustainable nutrition behaviors. Conclusion: Older and more educated participants achieved higher nutrition literacy and sustainable nutrition adherence scores. Knowledge alone is insufficient to ensure healthy or sustainable eating. Enhancing practical skills and providing sustainability-focused nutrition education may improve diet quality and public health.
dc.description.sponsorshipIstanbul Yeni Yuzyil University
dc.identifier.doi10.3390/su18010061
dc.identifier.issn2071-1050
dc.identifier.issue1
dc.identifier.scopus2-s2.0-105027838731
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/su18010061
dc.identifier.urihttps://hdl.handle.net/11501/2601
dc.identifier.volume18
dc.identifier.wosWOS:001658642800001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorPınarlı Falakacılar, Çağla
dc.institutionauthorÖzvar Kütük, Merve
dc.institutionauthorid0000-0002-8733-8148
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.relation.ispartofSustainability (Switzerland)
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectNutrition Literacy
dc.subjectSustainability
dc.subjectGenerations
dc.subjectMediterranean Diet
dc.subjectSustainable Nutrition Behaviors
dc.titleAdherence to the mediterranean diet and sustainable nutrition: the role of nutrition literacy across generations
dc.typeArticle

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