Nutrition (Burbank, Los Angeles County, Calif.) · 2026
Economic evaluations of the Mediterranean diet: a systematic review.
Систематический обзорСтатьяНазвание и аннотация: Перевод в очереди
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Morsella Alisha, Veronese Nicola, Gianfredi Vincenza, Limongi Federica, Saverio Ragusa Francesco, Nucci Daniele, Maggi Stefania, Silano Marco, Randazzo Cristiana, Romiti Giulio Francesco, Lezo Antonella, Rossi Laura, Volpe Massimo, Zanetti Michela, Onder Graziano, Mediterranean Diet Guidelines Group
Аннотация
CONTEXT: The Mediterranean diet (MD) is widely recognized for its health benefits and increasing relevance in health system planning and dietary policy. Understanding the costs and cost-effectiveness of MD adherence is critical for informing public health policy and dietary interventions.
OBJECTIVE: This systematic review summarizes the evidence on the economic implications of the MD, distinguishing between studies assessing health outcome-based cost-effectiveness and those examining the monetary costs of adhering to the MD for households.
METHODS: This review was conducted in accordance with PRISMA 2020. We searched PubMed/MEDLINE, Embase, Scopus, and the Cochrane Library to February 2024. Data extraction and quality assessment followed standardized protocols using CHEC-Extended and Newcastle-Ottawa tools.
RESULTS: Of 6,733 screened records, 24 studies met inclusion criteria and were included. Studies were grouped into: (A) economic evaluations (cost-effectiveness, cost-utility, cost-benefit, cost-of-illness - 13 studies) and (B) cost analyses of MD adherence (11 studies). Group A studies, conducted primarily from health system perspectives, found MD interventions generally cost-effective, particularly in cardiovascular prevention, despite higher initial dietary costs. Several reported favorable incremental cost-effectiveness ratio. Group B studies, adopting a societal perspective, consistently showed that greater MD adherence is associated with higher food costs, with a disproportionate impact on low-income populations.
CONCLUSIONS: MD is a cost-effective intervention from a health system perspective, with potential for substantial long-term savings. However, economic barriers at the household level may limit uptake. Future evaluations should integrate environmental co-benefits and equity considerations to fully capture the MD's public health value.
OBJECTIVE: This systematic review summarizes the evidence on the economic implications of the MD, distinguishing between studies assessing health outcome-based cost-effectiveness and those examining the monetary costs of adhering to the MD for households.
METHODS: This review was conducted in accordance with PRISMA 2020. We searched PubMed/MEDLINE, Embase, Scopus, and the Cochrane Library to February 2024. Data extraction and quality assessment followed standardized protocols using CHEC-Extended and Newcastle-Ottawa tools.
RESULTS: Of 6,733 screened records, 24 studies met inclusion criteria and were included. Studies were grouped into: (A) economic evaluations (cost-effectiveness, cost-utility, cost-benefit, cost-of-illness - 13 studies) and (B) cost analyses of MD adherence (11 studies). Group A studies, conducted primarily from health system perspectives, found MD interventions generally cost-effective, particularly in cardiovascular prevention, despite higher initial dietary costs. Several reported favorable incremental cost-effectiveness ratio. Group B studies, adopting a societal perspective, consistently showed that greater MD adherence is associated with higher food costs, with a disproportionate impact on low-income populations.
CONCLUSIONS: MD is a cost-effective intervention from a health system perspective, with potential for substantial long-term savings. However, economic barriers at the household level may limit uptake. Future evaluations should integrate environmental co-benefits and equity considerations to fully capture the MD's public health value.