The effects of daily mood and couple interactions on the sleep quality of older adults with chronic pain
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We examined the effect of daily negative and positive mood on the sleep quality of knee osteoarthritis (OA) patients (N = 152) and whether a partner’s daily responses to a patient’s pain behaviors moderated these associations. Patients and their partners completed a baseline interview and 22 daily diary assessments. After controlling for demographic characteristics, OA severity, comorbidities, medication use, relationship satisfaction, and depressed mood, multilevel modeling analyses demonstrated main effects of negative and positive mood on sleep quality indicators. Mood and partner responses interacted such that high solicitous and punishing responses strengthened the association between negative mood and worse sleep. Further, high solicitous responses increased the degree of association between low positive mood and poor sleep, and empathic responses combined with positive mood were associated with better sleep. Results demonstrate that daily negative and positive mood fluctuations can interact with partner responses to affect sleep quality among older adults with chronic pain.
KeywordsDaily diary Mood Couple interactions Sleep quality Chronic pain
The present study was supported by the National Institutes of Health R01 AG026010 (L. M. Martire). The first author is currently a postdoctoral fellow at the Social and Behavioral Research Branch at the National Human Genome Research Institute and was supported by a Kligman Graduate Fellowship via the College of Health and Human Development at The Pennsylvania State University (S. Song).
Conflict of interest
The authors declare that they have no conflict of interest.
Human and animal rights and Informed consent
All procedures followed were in accordance with the ethical standards of the responsible committees on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000. Informed consent for inclusion in the study was obtained from all patients and their partners.
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