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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Do depressive symptoms predict declines in physical performance in an elderly, biracial population?
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Do depressive symptoms predict declines in physical performance in an elderly, biracial population?

机译：抑郁症状是否预示着老年人，混血儿人群的身体机能下降？

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OBJECTIVE: We investigated whether depressive symptoms, assessed by the 10-item Center for Epidemiological Studies Depression Scale (CES-D), predicted change in physical function in elderly adults. METHODS: Participants were from a biracial, population-based sample of adults aged 65 and older (N: 4069; 61% black; 61% female). Physical function was assessed as a summary performance measure of tandem stand, measured walk, and repeated chair stand (mean [standard deviation], 10.3 [3.5]; range, 0-15), commonly used measures of overall physical health in older adults. Generalized estimating equation models estimated physical function across 3 assessments over 5.4 years of follow up as a function of CES-D scores at baseline. RESULTS: Adjusting for age, sex, race, and education, each 1-point higher CES-D score was associated with a 0.34-point lower absolute level of physical performance (p < .0001), but there was no evidence of a CES-D by time interaction (p = .84), indicating that depressive symptoms at baseline were not associated with greater physical performance decline over time. In secondary analyses, with CES-D scores modeled in 4 categories, overall physical performance showed a graded, inverse association across CES-D categories (p's < .0001). However, we observed no threshold effect for depressive symptoms in relation to change in physical performance. Compared with the referent group (CES-D = 0), the 2 middle CES-D categories (CES-D = 1 or 2-3) evidenced some decline in physical performance over time, but the highest CES-D group (CES-D > or =4) showed no significant physical decline over time (p = .89). CONCLUSION: We observed a strong cross-sectional association between depressive symptoms and overall physical performance. Physical function declined over time, yet depressive symptoms did not consistently contribute to greater decline over an average of 5.4 years of follow up among older adults. Findings highlight the importance of longitudinal models in understanding the relation between depressive symptomatology and physical health.
机译：目的：我们调查了由10个项目的流行病学研究中心抑郁量表（CES-D）评估的抑郁症状是否预测了老年人的身体功能变化。方法：参与者来自65岁及以上成年人的混血儿，人群（N：4069;黑人61％;女性61％）。身体功能被评估为串联站立，测量步行和重复椅子站立的综合表现量度（平均[标准偏差]，10.3 [3.5];范围，0-15），这是老年人总体身体健康的常用量度。广义估计方程模型在5.4年的随访中，对3项评估的物理功能进行了估计，并将其作为基线CES-D分数的函数。结果：根据年龄，性别，种族和教育程度进行调整，每提高1点CES-D得分，就可以使身体绩效的绝对水平降低0.34点（p <.0001），但没有CES的证据。 -D通过时间交互作用（p = .84），表明基线时的抑郁症状与随着时间的推移而出现的更大的体力下降没有关联。在次要分析中，使用CES-D分数模拟4个类别，总体物理性能显示了CES-D各个类别之间的等级相反关联（p <.0001）。但是，我们没有观察到与身体机能变化有关的抑郁症状的阈值效应。与参考组（CES-D = 0）相比，两个中级CES-D类（CES-D = 1或2-3）随时间的推移表现出一定的身体表现下降，但最高的CES-D组（CES-D D>或= 4）随时间的推移未显示明显的身体下降（p = .89）。结论：我们观察到抑郁症状与整体身体表现之间存在很强的横断面联系。身体功能随着时间的推移而下降，但是抑郁症的症状并没有持续导致老年人平均5.4年的随访下降。研究结果突显了纵向模型在理解抑郁症状与身体健康之间关系方面的重要性。

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