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Increasing physical activity in officeworkers – the Inphact Treadmill study: a study protocol for a 13-month randomized controlled trial of treadmill workstations
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Medicine.
Umeå University, Faculty of Medicine, Umeå Centre for Functional Brain Imaging (UFBI). Umeå University, Faculty of Social Sciences, Centre for Population Studies (CPS).ORCID iD: 0000-0002-4458-6475
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Family Medicine.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
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2015 (English)In: BMC Public Health, ISSN 1471-2458, E-ISSN 1471-2458, Vol. 15, no 632, 1-10 p.Article in journal (Refereed) Published
Abstract [en]

Background

Sedentary behaviour is an independent risk factor for mortality and morbidity, especially for type 2 diabetes. Since office work is related to long periods that are largely sedentary, it is of major importance to find ways for office workers to engage in light intensity physical activity (LPA). The Inphact Treadmill study aims to investigate the effects of installing treadmill workstations in offices compared to conventional workstations.

Methods/Design

A two-arm, 13-month, randomized controlled trial (RCT) will be conducted. Healthy overweight and obese office workers (n = 80) with mainly sedentary tasks will be recruited from office workplaces in Umeå, Sweden. The intervention group will receive a health consultation and a treadmill desk, which they will use for at least one hour per day for 13 months. The control group will receive the same health consultation, but continue to work at their regular workstations. Physical activity and sedentary time during workdays and non-workdays as well as during working and non-working hours on workdays will be measured objectively using accelerometers (Actigraph and activPAL) at baseline and after 2, 6, 10, and 13 months of follow-up. Food intake will be recorded and metabolic and anthropometric variables, body composition, stress, pain, depression, anxiety, cognitive function, and functional magnetic resonance imaging will be measured at 3–5 time points during the study period. Interviews with participants from the intervention group will be performed at the end of the study.

Discussion

This will be the first long-term RCT on the effects of treadmill workstations on objectively measured physical activity and sedentary time as well as other body functions and structures/morphology during working and non-working hours among office workers. This will provide further insight on the effects of active workstations on our health and could fill in some of the knowledge gaps regarding how we can reduce sedentary time in office environments.

Trial registration

ClinicalTrials.gov Identifier NCT01997970, 2nd Nov 2013.

Place, publisher, year, edition, pages
BioMed Central, 2015. Vol. 15, no 632, 1-10 p.
Keyword [en]
Sedentary behaviour; Physical activity; Non-Exercise Activity Thermogenesis; Treadmill workstation; Randomized controlled trial; Workplace; Obesity preventionBackground
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:umu:diva-106646DOI: 10.1186/s12889-015-2017-6OAI: oai:DiVA.org:umu-106646DiVA: diva2:843119
Available from: 2015-07-27 Created: 2015-07-27 Last updated: 2017-12-04Bibliographically approved

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