Abstract
BackgroundSome questions regarding the benefits of the Mediterranean Dietary Pattern (MDP) are still unanswered, especially in non-Mediterranean areas. As such, this study intends to evaluate the association between the adherence to the MDP with the presence of Common Mental Disorders (CMD) in Brazilian older adults, adopting two different concepts of MDP. MethodsThe sample included 545 elders from 2015 Health Survey of São Paulo City (cross-sectional population-based study). CMD were identified through the Self Reporting Questionnaire-20 (SRQ-20). Data from two 24-hour dietary recall were used to construct two concepts of MDP according to the Mediterranean-diet score (MDS): Traditional MDP (included only foods with characteristics of the original MDP) and Brazilian-MDP (included foods with non-Mediterranean characteristics). The analyses included two different models (crude model and adjusted model for potential confounders) of logistic regression. ResultsModerate and high adherence to Traditional MDP were associated with a lower prevalence of CMD (OR: 0.59; 95% CI: 0.35–0.98 and OR: 0.42, 95% CI: 0.18–0.96, respectively), after adjustment for sociodemographic, lifestyle and health status variables. In turn, the presence of CMD was not significantly associated with any level of adherence to the Brazilian-MDP. Limitationsdue to the cross-sectional feature of the study, we cannot determine a cause-effect relationship; some covariates were self-reported; the results cannot apply to the elderly from other regions. ConclusionModerate and high adherence to the traditional MDP was found to reduce the risk of mental disorders in Brazilian elderly. Nevertheless, an increased intake of non-Mediterranean food components can limit this effect.
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