Loneliness and the rate of motor decline in old age: the Rush Memory and Aging Project, a community-based cohort study.
Loneliness and the rate of motor decline in old age: the Rush Memory and Aging Project, a community-based cohort study.
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DOI：
10.1186/1471-2318-10-77
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发表时间：
2010-10-22
期刊：
影响因子：
4.1
通讯作者：
Bennett DA
中科院分区：
文献类型：
--
作者：
Buchman AS;Boyle PA;Wilson RS;James BD;Leurgans SE;Arnold SE;Bennett DA
据报告，以较少的社会交往来衡量，孤独与老年人运动能力下降速度更快有关。我们检验了这一假设，即孤独感与社区老年人的运动能力下降率有关。在基线时，对985名参与拉什记忆和衰老项目（一项以社区为基础的纵向队列研究）的无痴呆症患者的孤独感进行了5项量表评估。在整体运动功能的复合指标中总结了9项肌肉力量指标和9项运动性能指标的年度详细评估。控制了年龄、性别和教育程度的线性混合效应模型显示，基线时的孤独水平与运动能力下降的速度相关（估计值为-0.016; S.E. 0.006，p = 0.005）。基线时孤独感每高1分，运动能力下降速度就快40%;这种效果与基线时年龄大4岁的平均参与者的运动能力下降速度相似。此外，每年运动能力下降的数量与死亡风险增加约50%有关。当在一个模型中同时考虑孤独感（孤独）和孤独感时，两者都是运动能力下降的相对独立的预测因素。即使在控制了抑郁症状、认知、身体和认知活动、慢性疾病以及基线残疾或中风或帕金森病史之后，孤独和运动能力下降之间的关联仍然存在。在居住在社区的老年人中，感到孤独和孤独都与更快的运动能力衰退有关，这突出表明了心理社会因素和老年运动能力衰退的重要性。
Being alone, as measured by less frequent social interactions, has been reported to be associated with a more rapid rate of motor decline in older persons. We tested the hypothesis that feeling alone is associated with the rate of motor decline in community-dwelling older persons. At baseline, loneliness was assessed with a 5-item scale in 985 persons without dementia participating in the Rush Memory and Aging Project, a longitudinal community-based cohort study. Annual detailed assessment of 9 measures of muscle strength and 9 motor performances were summarized in a composite measure of global motor function. Linear mixed-effects models which controlled for age, sex and education, showed that the level of loneliness at baseline was associated with the rate of motor decline (Estimate, -0.016; S.E. 0.006, p = 0.005). For each 1-point higher level of loneliness at baseline, motor decline was 40% more rapid; this effect was similar to the rate of motor decline observed in an average participant 4 years older at baseline. Furthermore, this amount of motor decline per year was associated with about a 50% increased risk of death. When terms for both feeling alone (loneliness) and being alone were considered together in a single model, both were relatively independent predictors of motor decline. The association between loneliness and motor decline persisted even after controlling for depressive symptoms, cognition, physical and cognitive activities, chronic conditions, as well as baseline disability or a history of stroke or Parkinson's disease. Among community-dwelling older persons, both feeling alone and being alone are associated with more rapid motor decline, underscoring the importance of psychosocial factors and motor decline in old age.
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影响因子：
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