Physical function versus cognitive status: Which better predicts independence in basic activities among long-lived cognitively preserved older adults

IF 1.8 4区医学 Q4 GERIATRICS & GERONTOLOGY

Australasian Journal on Ageing Pub Date : 2025-09-15 DOI:10.1111/ajag.70093

Juliedy Waldow Kupske, Júlia de Mattos, Tainara Steffens, Eduarda Blanco-Rambo, Marcelo Bandeira-Guimarães, Mikel L. Sáez de Asteasu, Mikel Izquierdo, Eduardo Lusa Cadore, Caroline Pietta-Dias

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引用次数: 0

Abstract

Objectives

This study aimed to compare physical function and cognitive status according to the level of dependence in basic activities of daily living (ADL) and to determine which of these variables better predict functional independence.

Methods

This cross-sectional study included 231 individuals over 90 years of age. Physical function was assessed using the Timed Up and Go (TUG) test and handgrip strength (HGS), and cognitive function was assessed using the Mini-Mental State Examination (MMSE). A binary logistic regression adjusted for age was conducted to identify which variables related to physical performance or cognitive status could predict independence in basic ADL.

Results

The results showed that the model including TUG (OR = 4.3; 95% CI = 2.18–8.34) along with HGS (OR = 2.0; 95% CI = 1.14–3.45) provided the best fit. This indicates that better performance on the TUG test increases the odds of independence by 4.3 times, and each increment in HGS doubles that chance.

Conclusions

We conclude that older individuals with better physical function and greater muscle strength are more likely to be independent in ADL.

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身体功能与认知状态：哪个能更好地预测长寿的认知能力保持良好的老年人在基本活动方面的独立性

目的本研究旨在比较基本日常生活活动（ADL）依赖程度的身体功能和认知状态，并确定哪些变量能更好地预测功能独立性。方法本横断面研究纳入231例90岁以上的个体。身体功能评估采用计时向上和向前（TUG）测试和握力（HGS），认知功能评估采用迷你精神状态检查（MMSE）。采用经年龄调整的二元逻辑回归来确定哪些与身体表现或认知状态相关的变量可以预测基本ADL的独立性。结果采用TUG （OR = 4.3; 95% CI = 2.18 ~ 8.34）和HGS （OR = 2.0; 95% CI = 1.14 ~ 3.45）模型拟合最佳。这表明，在TUG测试中表现更好，独立的几率会增加4.3倍，而HGS的每一次提高都会使这种几率增加一倍。我们的结论是，身体功能更好、肌肉力量更大的老年人在ADL中更有可能独立。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Australasian Journal on Ageing 医学-老年医学

CiteScore

3.10

自引率

6.20%

发文量

114

审稿时长

>12 weeks

期刊介绍： Australasian Journal on Ageing is a peer reviewed journal, which publishes original work in any area of gerontology and geriatric medicine. It welcomes international submissions, particularly from authors in the Asia Pacific region.