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Int. J. Environ. Res. Public Health 2014, 11(7), 6653-6665; doi:10.3390/ijerph110706653

Using Sit-Stand Workstations to Decrease Sedentary Time in Office Workers: A Randomized Crossover Trial

1
Division of Health Policy & Management, School of Public Health, University of Minnesota, Minneapolis, MN 55455, USA
2
Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905, USA
3
Family Medicine and Community Health, Medical School, University of Minnesota, Minneapolis, MN 55455, USA
4
Division of Epidemiology & Community Health, School of Public Health, University of Minnesota, Minneapolis, MN 55454, USA
*
Author to whom correspondence should be addressed.
Received: 11 April 2014 / Revised: 29 May 2014 / Accepted: 10 June 2014 / Published: 25 June 2014
(This article belongs to the Special Issue IJERPH: 10th Anniversary)
View Full-Text   |   Download PDF [265 KB, uploaded 25 June 2014]   |  

Abstract

Objective: This study was conducted to determine whether installation of sit-stand desks (SSDs) could lead to decreased sitting time during the workday among sedentary office workers. Methods: A randomized cross-over trial was conducted from January to April, 2012 at a business in Minneapolis. 28 (nine men, 26 full-time) sedentary office workers took part in a 4 week intervention period which included the use of SSDs to gradually replace 50% of sitting time with standing during the workday. Physical activity was the primary outcome. Mood, energy level, fatigue, appetite, dietary intake, and productivity were explored as secondary outcomes. Results: The intervention reduced sitting time at work by 21% (95% CI 18%–25%) and sedentary time by 4.8 min/work-hr (95% CI 4.1–5.4 min/work-hr). For a 40 h work-week, this translates into replacement of 8 h of sitting time with standing and sedentary time being reduced by 3.2 h. Activity level during non-work hours did not change. The intervention also increased overall sense of well-being, energy, decreased fatigue, had no impact on productivity, and reduced appetite and dietary intake. The workstations were popular with the participants. Conclusion: The SSD intervention was successful in increasing work-time activity level, without changing activity level during non-work hours.
Keywords: sedentary time; sit stand desk; work place intervention; accelerometer; dietary assessment sedentary time; sit stand desk; work place intervention; accelerometer; dietary assessment
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Dutta, N.; Koepp, G.A.; Stovitz, S.D.; Levine, J.A.; Pereira, M.A. Using Sit-Stand Workstations to Decrease Sedentary Time in Office Workers: A Randomized Crossover Trial. Int. J. Environ. Res. Public Health 2014, 11, 6653-6665.

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