Diet Quality and Cognitive Performance in Australian Adults Aged 55–85 Years: A Cross-Sectional Analysis of the Hunter Community Study Cohort

Nutrients

PeterW. Schofield¹  PuiFung Li²  MarkA. McEvoy³  AmandaJ. Patterson⁴  Sharmaine McKiernan⁴  LesleyK. MacDonald-Wicks⁴ 

[1] Centre for Brain and Mental Health Research, Hunter Medical Research Institute, School of Medicine & Public Health, University of Newcastle, Newcastle, NSW 2308, Australia;Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China;Rural Health School, College of Science, Health and Engineering, La Trobe University, Bendigo, VIC 3552, Australia;School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia;

关键词: diet quality;    cognitive performance;    Food Frequency Questionnaire (FFQ);    Hunter Community Study (HCS);    Australian Recommended Food Score (ARFS);    Audio Recorded Cognitive Screen (ARCS);   

DOI  :  10.3390/nu13030909

来源: DOAJ

【 摘 要 】

There is a lack of evidence to determine if diet quality is associated with cognitive performance in older adults. Therefore, the aim of this study was to examine whether diet quality is associated with cognitive performance among older adults. A cross-sectional, secondary analysis of baseline data from the Hunter Community Study (HCS), comparing diet quality, measured using the Australian Recommended Food Score (ARFS), along with validated cognitive performance instruments the Audio Recorded Cognitive Screen (ARCS) and the Mini-Mental State Examination (MMSE) were undertaken in adults aged 55–85 years, living in Newcastle, NSW, Australia. Adjusted linear regression analyses showed that, compared with the lowest ARFS quintile, those in the highest quintile had an ARCS score 5.883 units greater (p < 0.001; R² = 0.0098). Furthermore, when quintiles of ARFS score were tested against each ARCS sub-scale score, statistically significant associations were observed with the greatest effect for the Memory (β = 4.055; p = 0.001; R² = 0.0065) and Attention (β = 4.136; p = 0.002; R² = 0.0047) domains. No statistically significant associations were observed between quintiles of ARFS and MMSE score in the adjusted linear regression analyses. In conclusion, a positive association was observed between diet quality and cognitive performance within this sample of older Australian adults. Further investigation of the above association over time, when follow-up data becomes available, in longitudinal analysis is recommended.

【 授权许可】

Unknown