Relationship Between Self‐Reported Restless Sleep and Objectively Measured Physical Activity in Adults With Knee Osteoarthritis

Objective Despite the numerous health benefits of physical activity, inactivity is endemic among adults with knee osteoarthritis (OA). Because sleep quality may be a target in order to improve physical activity behavior, we investigated the cross‐sectional relationship between restless sleep and phy...

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Bibliographic Details
Published in:Arthritis care & research (2010) 2021-05, Vol.73 (5), p.687-692
Main Authors: Gilbert, Abigail L., Lee, Jungwha, Song, Jing, Semanik, Pamela A., Ehrlich‐Jones, Linda S., Kwoh, C. Kent, Dunlop, Dorothy D., Chang, Rowland W.
Format: Article
Language:English
Subjects:
Actigraphy - instrumentation
Adult
Aged
Arthritis
Body mass index
Cross-Sectional Studies
Depression - diagnosis
Depression - psychology
Exercise
Female
Fitness Trackers
Humans
Knee
Knee Joint - physiopathology
Male
Middle Aged
Multiple regression analysis
Osteoarthritis
Osteoarthritis, Knee - complications
Osteoarthritis, Knee - diagnosis
Osteoarthritis, Knee - physiopathology
Physical activity
Predictive Value of Tests
Prospective Studies
Risk Factors
Sedentary Behavior
Self Report
Sleep
Sleep Wake Disorders - diagnosis
Sleep Wake Disorders - etiology
Sleep Wake Disorders - physiopathology
Time Factors
United States
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Summary:Objective Despite the numerous health benefits of physical activity, inactivity is endemic among adults with knee osteoarthritis (OA). Because sleep quality may be a target in order to improve physical activity behavior, we investigated the cross‐sectional relationship between restless sleep and physical activity in participants with or at risk for knee OA. Methods We analyzed accelerometer‐measured physical activity and clinical data of participants included in the Osteoarthritis Initiative (OAI). We used multiple regression analysis to evaluate physical activity for participants, who were grouped by the reported frequency of restless sleep, and adjusted for demographic and medical confounders. Results Of the 1,892 OAI participants for whom complete data were available, 300 participants (16%) reported restless sleep ≥3 days in the past week. Participants who reported restless sleep for much of the time (3–4 days/week) and most of the time (5–7 days/week) had 11.9% and 23.7% less weekly minutes of moderately vigorous activity, respectively, compared to participants who reported rarely restless sleep (
ISSN:2151-464X
2151-4658
DOI:10.1002/acr.23581