Associations between physical activity, sedentary behaviour and cognitive domain performance of people living with mild cognitive impairment in the community

IF 1.6 4区医学 Q2 REHABILITATION

Australian Occupational Therapy Journal Pub Date : 2024-04-14 DOI:10.1111/1440-1630.12944

Jane Hopkins, Joanne McVeigh, Keith Hill, Kathryn A. Ellis, Angela Jacques, Elissa Burton

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Abstract

Introduction

Physical activity is known to positively influence cognitive performance. For adults with mild cognitive impairment (MCI), the relationship between physical activity levels and cognitive performance is unknown. This cross-sectional study aimed to determine if cognitive performance [as measured by the Montreal Cognitive Assessment (MoCA)] of people living in the community with MCI is associated with their physical activity levels or sedentary behaviour.

Methods

ActivPAL™ accelerometers were used to objectively measure physical activity and sedentary behaviour for seven full days. Cognitive performance was measured using the MoCA.

Consumer and Community Involvement

No involvement other than as research participants

Results

Eighty-two participants from the Balance on the Brain randomised controlled trial were included. Most participants were retired (88%), with 33 (40%) reporting a fall in the last year. The median MoCA score was 24 (IQR 22–26). Participants achieved a mean of 6296 (±2420) steps per day and were sedentary for 10.6 (±2) hours per day. The only physical activity outcomes that had a fair, positive correlation were moderate- to vigorous-intensity physical activity measures of total stepping time and total number of steps (with a cadence of ≥100 steps/min) with the orientation MoCA domain score (r(82) = 0.36, p ≤ 0.001 and r(82) = 0.37, p ≤ 0.001, respectively). Higher total sedentary time had a weak, positive correlation with better visuospatial/executive performance (r(82) = 0.23, p = 0.041). The orientation outcomes remained significant when analysed in an adjusted logistic regression model.

Conclusion

This study found that performance in the MoCA orientation domain had a fair-positive correlation with moderate-intensity physical activity (i.e., stepping time and step count with a cadence of ≥100 steps/min) as measured by a thigh-worn accelerometer for community-dwelling older adults with MCI. When considering the relationship between cognitive domains and sedentary behaviour, consideration may be needed regarding whether cognitive enhancing activities (such as crosswords and other brain games) are being performed, which may confound this relationship. Further investigation is required to confirm these results.

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社区轻度认知障碍患者的体育活动、久坐行为与认知领域表现之间的关系

导言：众所周知，体育锻炼对认知能力有积极影响。对于患有轻度认知障碍（MCI）的成年人来说，体育锻炼水平与认知能力之间的关系尚不清楚。这项横断面研究旨在确定生活在社区中的 MCI 患者的认知能力（通过蒙特利尔认知评估（MoCA）进行测量）是否与他们的体力活动水平或久坐行为有关。消费者和社区参与情况除研究参与者外，没有其他参与情况结果纳入了来自 "脑平衡 "随机对照试验的 82 名参与者。大多数参与者都已退休（88%），其中 33 人（40%）表示在过去一年中摔倒过。MoCA 评分中位数为 24（IQR 22-26）。参与者平均每天走 6296 步（±2420），每天久坐 10.6 小时（±2）。唯一具有相当正相关性的体力活动结果是总步行时间和总步数（步速≥100步/分钟）的中高强度体力活动测量值与定向MoCA领域得分（分别为r(82) = 0.36，p≤ 0.001和r(82) = 0.37，p≤ 0.001）。总久坐时间越长，视觉空间/执行表现越好，两者之间存在微弱的正相关（r(82) = 0.23，p = 0.041）。结论本研究发现，对于患有 MCI 的社区居住老年人，MoCA 方向感领域的表现与中等强度的体力活动（即步频≥100 步/分钟的踏步时间和步数）有相当积极的相关性。在考虑认知领域和久坐行为之间的关系时，可能需要考虑是否进行了增强认知能力的活动（如填字游戏和其他脑力游戏），这可能会混淆这种关系。要证实这些结果，还需要进一步的调查。

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

Australian Occupational Therapy Journal 医学-康复医学

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The Australian Occupational Therapy Journal is a leading international peer reviewed publication presenting influential, high quality innovative scholarship and research relevant to occupational therapy. The aim of the journal is to be a leader in the dissemination of scholarship and evidence to substantiate, influence and shape policy and occupational therapy practice locally and globally. The journal publishes empirical studies, theoretical papers, and reviews. Preference will be given to manuscripts that have a sound theoretical basis, methodological rigour with sufficient scope and scale to make important new contributions to the occupational therapy body of knowledge. AOTJ does not publish protocols for any study design The journal will consider multidisciplinary or interprofessional studies that include occupational therapy, occupational therapists or occupational therapy students, so long as ‘key points’ highlight the specific implications for occupational therapy, occupational therapists and/or occupational therapy students and/or consumers.