Changes in Physical and Cognitive Function Predict Sedentary Behavior in Older Adults With Mild Cognitive Impairment.

IF 1.6 4区医学 Q3 NURSING Research in Gerontological Nursing Pub Date : 2021-11-01 DOI:10.3928/19404921-20211021-01

Mary Elizabeth Bowen, Beatrice Gaynor, Lorraine J Phillips

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引用次数: 1

Abstract

The current longitudinal study examined the influence of cognitive and lower extremity function on sedentary behavior continuously over 6 months in community-dwelling older adults with mild cognitive impairment (MCI). Multilevel models examined Montreal Cognitive Assessment (MoCA) change scores and the Short Physical Performance Battery (SPPB) on percent time in sedentary behavior among 17 older adults with MCI (50 to 74 observations for analysis). Sedentary behavior was measured daily and averaged monthly using wrist-worn actigraphy. Each 1-unit decrease in MoCA score was associated with an increase of 2 percentage points in sedentary behavior (p ≤ 0.01). In addition, each 1-unit decrease in chair stand score (lower extremity strength) was associated with an increase of 5 percentage points in sedentary behavior (p ≤ 0.01). Older adults experiencing cognitive decline and concurrent changes in lower extremity strength had the sharpest increase in sedentary behavior. Findings suggest lower body strengthening interventions may reduce sedentary behavior time and subsequently preserve physical functioning in this vulnerable population. [Research in Gerontological Nursing, 14(6), 285-291.].

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身体和认知功能的变化可预测轻度认知障碍老年人的久坐行为。

当前的纵向研究调查了认知和下肢功能对社区居住的轻度认知障碍老年人(MCI)连续6个月久坐行为的影响。多层模型检查了蒙特利尔认知评估(MoCA)变化分数和短时间体力表现电池(SPPB)对17名老年轻度认知障碍患者久坐行为的百分比(50至74个观察值用于分析)。使用腕带活动记录仪测量每天和平均每月的久坐行为。MoCA评分每降低1个单位，久坐行为增加2个百分点(p≤0.01)。此外，椅子站立得分(下肢力量)每降低1个单位，久坐行为增加5个百分点(p≤0.01)。经历认知能力下降和同时下肢力量变化的老年人，久坐行为的增加幅度最大。研究结果表明，下肢强化干预可以减少久坐行为的时间，从而保持弱势群体的身体功能。老年护理研究，14(6)，285-291。

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来源期刊

Research in Gerontological Nursing NURSING-

CiteScore

2.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Research in Gerontological Nursing is a forum for disseminating peer-reviewed, interdisciplinary, cutting-edge gerontological nursing research and theory to investigators, educators, academicians, clinicians, and policymakers involved with older adults in all health care settings. The Journal accepts manuscripts reporting research, theory, integrative and systematic reviews, instrument development, and research methods with the aims of improving the wellness and quality of care of the older adult population. Theory papers should advance gerontological knowledge, and integrative reviews should provide an analysis of the state of the science and provide direction for future research.