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

journal contribution
posted on 2019-01-15, 15:10 authored by Charlotte L Edwardson, Tom Yates, Stuart J. H. Biddle, Melanie J. Davies, David W. Dunstan, Dale W. Esliger, Laura J. Gray, Benjamin Jackson, Sophie E. 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.

History

Citation

BMJ, 2018;363:k3870

Author affiliation

/Organisation/COLLEGE OF LIFE SCIENCES/School of Medicine/Department of Health Sciences

Version

  • VoR (Version of Record)

Published in

BMJ

Publisher

BMJ Publishing Group

issn

0959-8138

eissn

1756-1833

Acceptance date

2018-08-08

Copyright date

2018

Available date

2019-01-15

Publisher version

https://www.bmj.com/content/363/bmj.k3870.full

Notes

Data sharing: Requests for access to data from the study should be addressed to the corresponding author at ce95@le.ac.uk. The study protocol has been published. All proposals requesting data access will need to specify how it is planned to use the data, and all proposals will need approval of the trial co-investigator team before data release.

Language

en

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