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High adherence to Mediterranean diet, but not individual foods or nutrients, is associated with lower likelihood of being obese in a Mediterranean cohort

  • Gaetano Zappalà
  • Silvio Buscemi
  • Serena Mulè
  • Melania La Verde
  • Maurizio D’Urso
  • Davide Corleo
  • Marina Marranzano
Original Article

Abstract

Purpose

The aim of the present study was to evaluate the association between the Mediterranean diet and obesity in a Mediterranean cohort.

Methods

The study population of MEAL (Mediterranean Healthy Eating, Ageing, and Lifestyle) study comprised 1814 men and women (18 + years) recruited in the city of Catania, southern Italy. Food intake was evaluated through a validated food frequency questionnaire and the Mediterranean diet adherence was assessed through the MEDI-LITE score.

Results

Individuals highly adherent to the Mediterranean diet (highest quartile of the score) were less likely to be obese (OR 0.53, 95% CI 0.32, 0.89) despite there was no significant associations when considering men and women separately. The dietary profile of obese and non-obese individuals did not significantly differ, except for vitamin E, processed meat, and alcohol more consumed among non-obese ones. Among the food groups characterizing this dietary pattern, only satisfaction of the criterion for dairy products (< 1 serving/day) was significantly associated with lower odds of being obese. Among other covariates, current smoking was associated with obesity, while high physical activity and regular alcohol drinking were inversely associated. Some differences between men and women in the highest category of occupational status occurred, as the former were less likely, while the latter were more likely to be obese.

Conclusions

Higher adherence to the Mediterranean diet as a whole dietary pattern, rather than its individual components, is associated with less likelihood of being obese.

Level of evidence

Level V, cross-sectional descriptive study.

Keywords

Mediterranean diet Obesity BMI Cohort 

Notes

Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Supplementary material

40519_2017_454_MOESM1_ESM.docx (13 kb)
Supplementary material 1 (DOCX 12 KB)

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, Section of Hygiene and Preventive MedicineUniversity of CataniaCataniaItaly
  2. 2.Dipartimento Biomedico di Medicina Interna e Specialistica (DIBIMIS)University of PalermoPalermoItaly
  3. 3.Unit of Malattie Endocrine, del Ricambio e della NutrizioneAOU Policlinico “P. Giaccone”PalermoItaly
  4. 4.Provincial Health Authority of CataniaCataniaItaly

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