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Occup Med (Lond). 2015 Jul;65(5):357-66. doi: 10.1093/occmed/kqv044. Epub 2015 May 1.

Systematic review: height-adjustable workstations to reduce sedentary behaviour in office-based workers.

Author information

1
York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK, garry.tew@york.ac.uk.
2
Iberoamerican Cochrane Centre, IIB Sant Pau, Universitat Autonoma de Barcelona, Sant Antoni M Claret 167, 08025 Barcelona, Spain.
3
York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK.

Abstract

BACKGROUND:

Time spent sitting in the workplace is an important contributor to overall sedentary risk. Installation of height-adjustable workstations has been proposed as a feasible approach for reducing occupational sitting time in office workers.

AIMS:

To provide an accurate overview of the controlled trials that have evaluated the effects of height-adjustable workstation interventions on workplace sitting time in office-based workers.

METHODS:

A comprehensive search was conducted up until March 2014 in the following databases: Medline, PsychINFO, CENTRAL, EMBASE and PEDro. To identify unpublished studies and grey literature, the reference lists of relevant official or scientific web pages were also checked. Studies assessing the effectiveness of height-adjustable workstations using a randomized or non-randomized controlled design were included.

RESULTS:

The initial search yielded a total of 8497 citations. After a thorough selection process, five studies were included with 172 participants. A formal quality assessment indicated that risk of bias was high in all studies and heterogeneity in interventions and outcomes prevented meta-analysis. Nevertheless, all studies reported that height-adjustable workstation interventions reduced occupational sitting time in office workers. There was insufficient evidence to determine effects on other relevant health outcomes (e.g. body composition, musculoskeletal symptoms, mental health).

CONCLUSIONS:

There is insufficient evidence to make firm conclusions regarding the effects of installing height-adjustable workstations on sedentary behaviour and associated health outcomes in office workers. Larger and longer term controlled studies are needed, which include more representative populations.

KEYWORDS:

Active workstations; height-adjustable desks; sedentary behaviour; workplace interventions.

PMID:
25934982
DOI:
10.1093/occmed/kqv044
[Indexed for MEDLINE]

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