Abstract
BACKGROUND: Although the relationships among physical disability, mood disorders, and pain are well described in multiple sclerosis (MS), little is known about whether those symptoms are associated with sleep disturbances.
METHODS: Forty-six patients with MS experiencing pain participated. Sleep was indirectly measured by assessing rest-activity rhythm via actigraphy: interdaily stability, intradaily variability, and relative amplitude. Pain was assessed using visual and verbal analog scales, mood by the Beck Depression Inventory and Symptom Checklist-90, and physical disability by the Expanded Disability Status Scale.
RESULTS: Incorporating mood, pain, and physical disability into 1 regression model resulted in a significant association with interdaily stability.
CONCLUSIONS: Compared with intradaily variability and relative amplitude, interdaily stability seems to be the most vulnerable actigraphy variable for mood disturbances, pain, and physical disabilities.
| Original language | English |
|---|---|
| Pages (from-to) | 157-162 |
| Number of pages | 6 |
| Journal | International journal of MS care |
| Volume | 25 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Jul 2023 |
Bibliographical note
© 2023 The Consortium of Multiple Sclerosis Centers.Funding
The authors are most grateful to all the study participants and to the team at Nieuw Unicum, Zandvoort, the Netherlands.
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