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Research note
Nobuyuki Yajima
Showa University School of Medicine
Corresponding Author
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Objective: This study evaluated the relationship between rheumatoid arthritis (RA) disease activity level and physical activity (PA) by using an accelerometer and self-reported questionnaire.
Results: The cross-sectional study included 34 patients with RA. We classified patients with a Disease Activity Score 28-erythrocyte sedimentation rate (DAS28-ESR) of less than and higher than 3.2 into the low-disease-activity (LDA) group and moderate/high-disease-activity (MHDA) group, respectively. PA was assessed using a triaxial accelerometer. We measured the wear time, time of vigorous-intensity PA (VPA), moderate-intensity PA (MPA), light-intensity PA (LPA), and sedentary behavior per day by using this device. Moreover, we evaluated the relationship between accelerometer-measured and self-reported PAs in each group. The accelerometer-measured moderate-to-vigorous PA (MVPA) was 17.2 min/day and 10.6 min/day in the MHDA group and LDA group (p < .05), respectively. No significant association was observed between RA disease activity level and accelerometer-measured PA with adjustment for age and Functional Assessment of Chronic Illness Therapy-Fatigue score. No correlation was noted between accelerometer-measured MVPA and self-reported MVPA in the MHDA group, but these factors were correlated in the LDA group (rs = 0.5, p < .05). The RA disease activity level and accelerometer-measured PA were not correlated.
Keywords
Accelerometer, Disease activity, Physical activity, Questionnaire, Rheumatoid arthritis
Figure 1
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- AdditionalFile1.tif
Title of data: A flowchart of our participants’ selection. Description of data: Supplementary figure
- AdditionalFile2and3.docx
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Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 22 Jan, 2021
No community comments so far
Editorial decision: Major revision
On 10 Mar, 2021
Review #1 received
Received 11 Feb, 2021
Reviewer #1 agreed
On 06 Feb, 2021
Reviewers invited
Invitations sent on 01 Feb, 2021
Editor assigned
On 07 Jan, 2021
Submission checks complete
On 07 Jan, 2021
Editor invited
On 07 Jan, 2021
First submitted
On 25 Nov, 2020
Metrics
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PDF Downloads: ...
HTML Views: ...
Subject Areas
Rheumatology
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This preprint is under consideration at BMC Research Notes. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research note
Nobuyuki Yajima
Showa University School of Medicine
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 22 Jan, 2021
No community comments so far
Editorial decision: Major revision
On 10 Mar, 2021
Review #1 received
Received 11 Feb, 2021
Reviewer #1 agreed
On 06 Feb, 2021
Reviewers invited
Invitations sent on 01 Feb, 2021
Editor assigned
On 07 Jan, 2021
Submission checks complete
On 07 Jan, 2021
Editor invited
On 07 Jan, 2021
First submitted
On 25 Nov, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Rheumatology
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Objective: This study evaluated the relationship between rheumatoid arthritis (RA) disease activity level and physical activity (PA) by using an accelerometer and self-reported questionnaire.
Results: The cross-sectional study included 34 patients with RA. We classified patients with a Disease Activity Score 28-erythrocyte sedimentation rate (DAS28-ESR) of less than and higher than 3.2 into the low-disease-activity (LDA) group and moderate/high-disease-activity (MHDA) group, respectively. PA was assessed using a triaxial accelerometer. We measured the wear time, time of vigorous-intensity PA (VPA), moderate-intensity PA (MPA), light-intensity PA (LPA), and sedentary behavior per day by using this device. Moreover, we evaluated the relationship between accelerometer-measured and self-reported PAs in each group. The accelerometer-measured moderate-to-vigorous PA (MVPA) was 17.2 min/day and 10.6 min/day in the MHDA group and LDA group (p < .05), respectively. No significant association was observed between RA disease activity level and accelerometer-measured PA with adjustment for age and Functional Assessment of Chronic Illness Therapy-Fatigue score. No correlation was noted between accelerometer-measured MVPA and self-reported MVPA in the MHDA group, but these factors were correlated in the LDA group (rs = 0.5, p < .05). The RA disease activity level and accelerometer-measured PA were not correlated.
Figure 1
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