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Effectiveness of the Stand More AT (SMArT) Work intervention: cluster randomised controlled trial

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posted on 19.10.2018 by Charlotte L. Edwardson, Thomas E. Yates, Stuart J.H. Biddle, Melanie J. Davies, David W. Dunstan, Dale Esliger, L.J. Gray, Ben Jackson, Sophie O'Connell, Ghazala Waheed, Fehmidah Munir
OBJECTIVES: To evaluate the impact of a multicomponent intervention (Stand More AT (SMArT) Work) designed to reduce sitting time on short (three months), medium (six months), and longer term (12 months) changes in occupational, daily, and prolonged sitting, standing, and physical activity, and physical, psychological, and work related health. DESIGN: Cluster two arm randomised controlled trial. SETTING: National Health Service trust, England. PARTICIPANTS: 37 office clusters (146 participants) of desk based workers: 19 clusters (77 participants) were randomised to the intervention and 18 (69 participants) to control. INTERVENTIONS: The intervention group received a height adjustable workstation, a brief seminar with supporting leaflet, workstation instructions with sitting and standing targets, feedback on sitting and physical activity at three time points, posters, action planning and goal setting booklet, self monitoring and prompt tool, and coaching sessions (month 1 and every three months thereafter). The control group continued with usual practice. MAIN OUTCOME MEASURES: The primary outcome was occupational sitting time (thigh worn accelerometer). Secondary outcomes were objectively measured daily sitting, prolonged sitting (≥30 minutes), and standing time, physical activity, musculoskeletal problems, self reported work related health (job performance, job satisfaction, work engagement, occupational fatigue, sickness presenteeism, and sickness absenteeism), cognitive function, and self reported psychological measures (mood and affective states, quality of life) assessed at 3, 6, and 12 months. Data were analysed using generalised estimating equation models, accounting for clustering. RESULTS: A significant difference between groups (in favour of the intervention group) was found in occupational sitting time at 12 months (-83.28 min/workday, 95% confidence interval -116.57 to -49.98, P=0.001). Differences between groups (in favour of the intervention group compared with control) were observed for occupational sitting time at three months (-50.62 min/workday, -78.71 to -22.54, P<0.001) and six months (-64.40 min/workday, -97.31 to -31.50, P<0.001) and daily sitting time at six months (-59.32 min/day, -88.40 to -30.25, P<0.001) and 12 months (-82.39 min/day, -114.54 to -50.26, P=0.001). Group differences (in favour of the intervention group compared with control) were found for prolonged sitting time, standing time, job performance, work engagement, occupational fatigue, sickness presenteeism, daily anxiety, and quality of life. No differences were seen for sickness absenteeism. CONCLUSIONS: SMArT Work successfully reduced sitting time over the short, medium, and longer term, and positive changes were observed in work related and psychological health. TRIAL REGISTRATION: Current Controlled Trials ISRCTN10967042.

Funding

The trial was sponsored by Loughborough University. This project is funded by the Department of Health Policy Research Programme (project No PR-R5-0213-25004). The research was supported by the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre which is a partnership between University Hospitals of Leicester NHS Trust, Loughborough University and the University of Leicester, the National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care–East Midlands (NIHR CLAHRC–EM), and the Leicester Clinical Trials Unit. The views expressed are those of the authors and not necessarily those of the NHS, NIHR, or Department of Health. DWD is supported by a NHMRC senior research fellowship (NHMRC 1078360) and the Victorian Government’s operational infrastructure support programme.

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  • Sport, Exercise and Health Sciences

Published in

BMJ

Volume

363

Issue

8171

Citation

EDWARDSON, C.L. ... et al, 2018. Effectiveness of the Stand More AT (SMArT) Work intervention: cluster randomised controlled trial. BMJ, 363 (8171), k3870.

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BMJ Publishing Group © The Authors

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VoR (Version of Record)

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This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/

Acceptance date

08/08/2018

Publication date

2018-10-10

Notes

This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/.

ISSN

1756-1833

eISSN

1756-1833

Language

en

Article number

k3870

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