Department of Human Development and Family Studies, Michigan State University, 552 W. Circle Drive, East Lansing, MI, 48824, USA.
Department of Psychology, Michigan State University, 316 Physics Rd, East Lansing, MI, 48824, USA.
J Behav Med. 2017 Oct;40(5):821-831. doi: 10.1007/s10865-017-9850-2. Epub 2017 Apr 11.
The current study examined how changes in marital quality are associated with changes in sleep quality in older adults over an 8-year period. Older adults from the Health and Retirement Study completed measures of both marital support/strain and sleep quality in 2006, 2010, and 2014 (N = 4981). We used latent growth curve models to examine intraindividual change in support, strain, and sleep quality. Further, we examined interrelationships between changes in each of these three indicators. Results showed that higher marital quality was associated with better sleep at baseline. We also found that marital quality and sleep quality were coordinated over time-as marital quality increased, so did sleep quality. When this covariation was accounted, the prospective effects of baseline marital quality on changes in sleep quality were not found. The current study provided evidence for a long-term temporal coordination of marital quality and sleep quality in older adults.
本研究考察了在 8 年的时间里，婚姻质量的变化如何与老年人睡眠质量的变化相关。来自健康与退休研究的老年人在 2006 年、2010 年和 2014 年完成了婚姻支持/紧张和睡眠质量的测量（N=4981）。我们使用潜在增长曲线模型来检验支持、紧张和睡眠质量的个体内变化。此外，我们还检验了这三个指标变化之间的相互关系。结果表明，较高的婚姻质量与基线时的更好睡眠相关。我们还发现，婚姻质量和睡眠质量是随着时间协调变化的——随着婚姻质量的提高，睡眠质量也随之提高。当考虑到这种协变量时，基线婚姻质量对睡眠质量变化的前瞻性影响就不存在了。本研究为老年人婚姻质量和睡眠质量的长期时间协调提供了证据。
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