Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Inverse Association between Dairy Product Consumption and Lower Cognitive Function in Community-Dwelling Japanese Older Adults Based on a Cross-Sectional Study

Hunkyung Kim
* ORCID logo ,
Yosuke Osuka
,
Narumi Kojima
,
Hiroyuki Sasai
ORCID logo ,
Kentarou Nakamura
ORCID logo ,
Chisato Ohba
,
Mayuki Sasaki
,
Takao Suzuki
Version 1 : Received: 27 June 2023 / Approved: 27 June 2023 / Online: 27 June 2023 (04:58:23 CEST)

A peer-reviewed article of this Preprint also exists.

Kim, H.; Osuka, Y.; Kojima, N.; Sasai, H.; Nakamura, K.; Oba, C.; Sasaki, M.; Suzuki, T. Inverse Association between Cheese Consumption and Lower Cognitive Function in Japanese Community-Dwelling Older Adults Based on a Cross-Sectional Study. Nutrients 2023, 15, 3181. Kim, H.; Osuka, Y.; Kojima, N.; Sasai, H.; Nakamura, K.; Oba, C.; Sasaki, M.; Suzuki, T. Inverse Association between Cheese Consumption and Lower Cognitive Function in Japanese Community-Dwelling Older Adults Based on a Cross-Sectional Study. Nutrients 2023, 15, 3181.

Abstract

Diet modification may be a potential contributor in the prevention of age-related cognitive decline. The association between dairy product consumption and cognitive function remains unknown in older people. We investigated whether cheese intake is associated with lower cognitive function (LCF) in community-dwelling older adults. This cross-sectional study included 1503 adults aged over 65 years. Analyzed data were obtained from face-to-face interviews and functional ability measurement. Cognitive function was assessed using mini-mental state examination (MMSE), and a score ≤ 23 was defined as LCF. The prevalence of LCF was 4.6% and this group had smaller calf circumference, slower usual walking speed, and more frequent history of anemia than subjects with MMSE scores ≥ 24. After adjusting for confounding factors, logistic regression analysis revealed cheese intake (odds ratio (OR) = 0.404, 95% confidence interval (CI) = 0.198-0.824), age (OR = 1.170, 95% CI = 1.089-1.256), usual walking speed (OR = 0.171, 95% CI = 0.062-0.472) and calf circumference (OR = 0.823, 95% CI = 0.747-0.908) as significant factors associated with LCF. Although the present study was an analysis of cross-sectional data of Japanese community-dwelling older adults, the results suggest that cheese intake is inversely associated with LCF.

Keywords

dairy product consumption; mini-mental state examination score; lower cognitive function

Subject

Public Health and Healthcare, Public Health and Health Services

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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