Objective measurement of sedentary time and physical activity in people with rheumatoid arthritis: protocol for an accelerometer and activPALμTM validation study

Mediterranean Journal of Rheumatology

ARTICLE

Ciara M. O’Brien¹  Joan L. Duda¹  George D. Kitas²  Jet J. C. S. Veldhuijzen van Zanten¹  George S. Metsios²  Sally A. M. Fenton⁵ 

[1] School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham;Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS Foundation Trust;Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS Foundation Trust, United Kingdom;Faculty of Education, Health and Wellbeing, University of Wolverhampton;School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, United Kingdom

关键词: Validation;    ActiGraph;    accelerometer;    activPAL;    rheumatoid arthritis;    sedentary behaviour;    physical activity;   

DOI  :  10.31138/mjr.30.2.125

学科分类：社会科学、人文和艺术（综合）

来源: PCO Convin S.A.

【 摘 要 】

Background: The accurate measurement of sedentary time and physical activity in Rheumatoid Arthritis (RA) is critical to identify important health consequences and determinants of these behaviours in this patient group. However, objective methods have not been well-validated for measurement of sedentary time and physical activity in RA. Aims: Specific objectives are to: 1) validate the ActiGraph GT3X+ accelerometer and activPAL3μTM against indirect calorimetry and direct observation respectively, and define RA-specific accelerometer cut-points, for measurement of sedentary time and physical activity in RA; 2) validate the RA-specific sedentary time accelerometer cut-points against the activPAL3μTM; 3) compare sedentary time and physical activity estimates in RA, using RA-specific vs. widely-used non-RA accelerometer cut-points. Methods: Objective 1: People with RA will wear an ActiGraph GT3X+, activPAL3μTM, heart rate monitor and indirect calorimeter, whilst being video-recorded undertaking 11 activities representative of sedentary behaviour, and light and moderate intensity physical activity. Objectives 2 and 3: People with RA will wear an ActiGraph GT3X+ and activPAL3μTM for 7 days to measure free-living sedentary time and physical activity. Discussion: This will be the first study to define RA-specific accelerometer cut-points, and represents the first validation of the ActiGraph accelerometer and activPALTM, for measurement of sedentary time and physical activity in RA. Findings will inform future RA studies employing these devices, ensuring more valid assessment of sedentary time and physical activity in this patient group.

【 授权许可】

CC BY-NC