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Mediterranean Diet and Cognitive Status in Free-Living Elderly: A Cross-Sectional Study in Northern Italy |
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| Authors: | Ramona De Amicis Alessandro Leone Andrea Foppiani Diana Osio Lidia Lewandowski Valentina Giustizieri |
| Affiliation: | 1. International Center for the Assessment of Nutritional Status, Department of Food, Environmental, and Nutritional Sciences, University of Milan, Milan, Italy;2. Unit of the Scientific Direction, Carlo Besta Neurological Institute Foundation, Milan, Italy |
| Abstract: | Objective: Few data are available on the Italian elderly population with regard to adherence to the Mediterranean diet (MD) and cognitive impairment. Our aim was to investigate adherence to the MD and its association with cognitive function in an Italian urban sample. Methods: A cross-sectional study of 279 participants aged ≥ 65 years (80 men, 199 women) was carried out at a nutritional center. Adherence to the MD was evaluated using a 14-item questionnaire. Cognitive function was assessed with the Mini-Mental State Examination (MMSE). Results: The clinical and nutritional assessments performed revealed 30.1% to have a dietary pattern in accordance with the MD; 13.6% had suspected or mild cognitive impairment (MMSE score ≤ 23). The MD pattern was associated with a lower risk of cognitive impairment (odds ratio [OR] = 0.39; 95% confidence interval [CI], 0.15–0.99; p = 0.045), as was the consumption of wine (OR = 0.37; 95% CI, 0.16–0.84; p = 0.018) and nuts (OR = 0.30; 95% CI, 0.13–0.69, p = 0.005). No association was found with other food groups. Conclusion: A closer adherence to the MD was associated with a better cognitive status. Further cohort studies and randomized controlled trials are warranted. |
| Keywords: | Mediterranean diet cognitive impairment elderly |