期刊
NUTRIENTS
卷 10, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/nu10101557
关键词
brain health; cognition; dietary patterns; instrumental activities of daily living; lifestyle; nutrition
资金
- Alzheimer's Association [IIRG-09-133014]
- ESPA-EU program Excellence Grant (ARISTEIA) [189 10276/8/9/2011]
- Ministry for Health and Social Solidarity (Greece) [DY2b/oik.51657/14.4.2009]
- Greek State Scholarships Foundation [MIS: 5001552]
- European Social Fund and Greek National resources
Many lifestyle factors have been linked to cognitive function but little is known about their combined effect. An overall lifestyle pattern for people living in the Mediterranean basin has been proposed, including diet, but also physical activity, sleep and daily living activities with social/intellectual aspects. We aimed to examine the associations between a combination of these lifestyle factors and detailed cognitive performance. A total of 1716 participants from the Hellenic Longitudinal Investigation of Ageing and Diet (HELIAD), a population-based study of participants 65 years, were included in this analysis. Lifestyle factors were evaluated using standard, validated questionnaires and a Total Lifestyle Index (TLI) was constructed. Cognitive outcomes included mild cognitive impairment (MCI) diagnosis, a composite z-score (either continuous or with a threshold at the 25th percentile) and z-scores for five cognitive domains. A higher TLI was associated with 65% reduced odds for MCI in the non-demented individuals and 43% reduced odds for low global cognition when MCI participants were excluded, a risk reduction equivalent to 9 and 2.7 fewer years of ageing, respectively. Each lifestyle factor was differentially associated with domain-specific cognitive performance. Our results suggest that a TLI, more so than single lifestyle parameters, may be related to cognitive performance.
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