Summary
Objective
Investigate change in physical activity following an 8-week education and exercise
therapy program for patients with knee/hip osteoarthritis, focusing on those with
low physical activity level. Furthermore, to evaluate associations between changes
in pain intensity and physical activity.
Method
Data from the Good Life with osteoArthritis in Denmark (GLA:D®) registry, at baseline,
immediately after completion, and 12 months after entering the program was used. Measures
of interest were UCLA activity scale (1–10) and Visual Analog Scale for pain intensity
(0–100 mm). Changes in physical activity levels (low 1–4, moderate 5–6, and high 7–10)
over three time points were investigated. Asymmetric fixed effects regression models
were used to evaluate the association between clinically relevant change in pain (≥15 mm)
and change in physical activity level from baseline to 12 months.
Results
37% with low activity level at baseline (n = 4,836) and 69% of all patients (n = 17,454) reached or maintained at least a moderate physical activity level at follow-ups.
Surprisingly, both an improvement (β = 1.44, P < 0.001) and a worsening (β = 1.18, P < 0.001) in pain intensity was associated with increased physical activity in low
activity patients. For all patients a similar trend was observed (β = 0.51, P < 0.001 and β = 0.11, P = 0.215, respectively).
Conclusion
In low active knee or hip OA patients, a third of patients participating in an education
and exercise therapy program reached and maintained at least a moderate physical activity
level for 1 year. The improvement in physical activity was not dependent on pain reduction.
Keywords
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Article info
Publication history
Published online: October 19, 2022
Accepted:
September 29,
2022
Received:
March 22,
2022
Identification
Copyright
© 2022 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.
