Mediterranean diet and quality of life: Baseline cross-sectional analysis of the PREDIMED-PLUS trial
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AutorGalilea-Zabalza, Iñigo; Buil-Cosiales, Pilar; Salas-Salvadó, Jordi; Toledo, Estefanía; Ortega-Azorín, C.; Díez-Espino, J.; Bueno Cavanillas, Aurora; Predimed-Plus Investigators
Public Library of Science (PLOS)
Galilea-Zabalza I, Buil-Cosiales P, Salas- Salvadó J, Toledo E, Ortega-Azorín C, Díez-Espino J, et al. (2018) Mediterranean diet and quality of life: Baseline cross-sectional analysis of the PREDIMED-PLUS trial. PLoS ONE 13(6): e0198974. [https://doi.org/10.1371/journal. pone.0198974]
PatrocinadorThis project is funded by the European Research Council (Advanced Research Grant 2013-2018; 340918) granted to MAM-G, the Spanish Ministry of Health - Instituto de Salud Carlos III (ISCIII) for the periods 2014-2016, 2015- 2017, 2017-2019 and 2018-2020, through the Fondo de Investigación para la Salud (FIS), which is co-funded by the European Regional Development Fund (four coordinated FIS grants lead by Jordi Salas-Salvadó and Josep Vidal, including the following projects: PI13/00673, PI13/ 00492, PI13/00272, PI13/01123, PI13/00462, PI13/00233, PI13/02184, PI13/00728 PI13/01090 PI13/01056, PI14/01722, PI14/00636, PI14/00618, PI14/00696, PI14/01206, PI14/01374, PI14/01919, PI14/00853, PI16/00743 PI16/00501, PI17/ 000508), by a Recercaixa grant 2013 (2013ACUP00194), by a grant from the Consejería de Salud de la Junta de Andalucía (PI0458/2013), and a SEMERGEN grant.
We assessed if a 17-item score capturing adherence to a traditional Mediterranean diet (MedDiet) was associated with better health-related quality of life among older Spanish men and women with overweight or obesity harboring the metabolic syndrome. We analyzed baseline data from 6430 men and women (age 55±70 years) participating in the PREDIMED- Plus study. PREDIMED-Plus is a multi-centre randomized trial testing an energyrestricted MedDiet combined with promotion of physical activity and behavioral therapy for primary cardiovascular prevention compared to a MedDiet alone. Participants answered a 36-item questionnaire about health-related quality of life (HRQoL) and a 17-item questionnaire that assessed adherence to an MedDiet. We used ANCOVA and multivariableadjusted linear regression models to compare baseline adjusted means of the quality of life scales according to categories of adherence to the MedDiet. Higher adherence to the Med- Diet was independently associated with significantly better scores in the eight dimensions of HRQoL. Adjusted differences of > = 3 points between the highest and the lowest dietary adherence groups to the MedDiet were observed for vitality, emotional role, and mental health and of > = 2 points for the other dimensions. In conclusion, this study shows a positive association between adherence to a MedDiet and several dimensions of quality of life.