moodie-reducingofficeworkers-2013.pdf (534.48 kB)
Reducing office workers' sitting time: rationale and study design for the Stand Up Victoria cluster randomized trial
journal contribution
posted on 2013-01-01, 00:00 authored by David DunstanDavid Dunstan, G Wiesner, E Eakin, M Neuhaus, N Owen, Tony LaMontagneTony LaMontagne, Marj MoodieMarj Moodie, E Winkler, B Fjeldsoe, S Lawler, G HealyBackground
Excessive time spent in sedentary behaviours (sitting or lying with low energy expenditure) is associated with an increased risk for type 2 diabetes, cardiovascular disease and some cancers. Desk-based office workers typically accumulate high amounts of daily sitting time, often in prolonged unbroken bouts. The Stand Up Victoria study aims to determine whether a 3-month multi-component intervention in the office setting reduces workplace sitting, particularly prolonged, unbroken sitting time, and results in improvements in cardiometabolic biomarkers and work-related outcomes, compared to usual practice.
Methods/design
A two-arm cluster-randomized controlled trial (RCT), with worksites as the unit of randomization, will be conducted in 16 worksites located in Victoria, Australia. Work units from one organisation (Department of Human Services, Australian Government) will be allocated to either the multi-component intervention (organisational, environmental [heightadjustable workstations], and individual behavioural strategies) or to a usual practice control group. The recruitment target is 160 participants (office-based workers aged 18–65 years and working at least 0.6 full time equivalent) per arm. At each assessment (0- [baseline], 3- [post intervention], and 12-months [follow-up]), objective measurement via the activPAL3 activity monitor will be used to assess workplace: sitting time (primary outcome); prolonged sitting time (sitting time accrued in bouts of ≥30 minutes); standing time; sit-to-stand transitions; and, moving time. Additional outcomes assessed will include: non-workplace activity; cardio-metabolic biomarkers and health indicators (including fasting glucose, lipids and insulin; anthropometric measures; blood pressure; and, musculoskeletal symptoms); and, work-related outcomes (presenteeism, absenteeism, productivity, work performance). Incremental cost-effectiveness and identification of both workplace and individual-level mediators and moderators of change will also be evaluated.
Discussion
Stand Up Victoria will be the first cluster-RCT to evaluate the effectiveness of a multicomponent intervention aimed at reducing prolonged workplace sitting in office workers. Strengths include the objective measurement of activity and assessment of the intervention on markers of cardio-metabolic health. Health- and work-related benefits, as well as the costeffectiveness of the intervention, will help to inform future occupational practice.
Excessive time spent in sedentary behaviours (sitting or lying with low energy expenditure) is associated with an increased risk for type 2 diabetes, cardiovascular disease and some cancers. Desk-based office workers typically accumulate high amounts of daily sitting time, often in prolonged unbroken bouts. The Stand Up Victoria study aims to determine whether a 3-month multi-component intervention in the office setting reduces workplace sitting, particularly prolonged, unbroken sitting time, and results in improvements in cardiometabolic biomarkers and work-related outcomes, compared to usual practice.
Methods/design
A two-arm cluster-randomized controlled trial (RCT), with worksites as the unit of randomization, will be conducted in 16 worksites located in Victoria, Australia. Work units from one organisation (Department of Human Services, Australian Government) will be allocated to either the multi-component intervention (organisational, environmental [heightadjustable workstations], and individual behavioural strategies) or to a usual practice control group. The recruitment target is 160 participants (office-based workers aged 18–65 years and working at least 0.6 full time equivalent) per arm. At each assessment (0- [baseline], 3- [post intervention], and 12-months [follow-up]), objective measurement via the activPAL3 activity monitor will be used to assess workplace: sitting time (primary outcome); prolonged sitting time (sitting time accrued in bouts of ≥30 minutes); standing time; sit-to-stand transitions; and, moving time. Additional outcomes assessed will include: non-workplace activity; cardio-metabolic biomarkers and health indicators (including fasting glucose, lipids and insulin; anthropometric measures; blood pressure; and, musculoskeletal symptoms); and, work-related outcomes (presenteeism, absenteeism, productivity, work performance). Incremental cost-effectiveness and identification of both workplace and individual-level mediators and moderators of change will also be evaluated.
Discussion
Stand Up Victoria will be the first cluster-RCT to evaluate the effectiveness of a multicomponent intervention aimed at reducing prolonged workplace sitting in office workers. Strengths include the objective measurement of activity and assessment of the intervention on markers of cardio-metabolic health. Health- and work-related benefits, as well as the costeffectiveness of the intervention, will help to inform future occupational practice.
History
Journal
BMC Public HealthVolume
13Issue
1Season
Article 1057Publisher
BioMed CentralLocation
London, EnglandPublisher DOI
ISSN
1471-2458Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2013, BioMed CentralUsage metrics
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accelerometryactivity permissive deskscardio-metabolic biomarkersoffice workersphysical activityrandomised interventionsedentary behaviourworkplaceScience & TechnologyLife Sciences & BiomedicinePublic, Environmental & Occupational HealthPHYSICAL-ACTIVITY INTERVENTIONSEDENTARY BEHAVIORSDATA-ENTRYACTIVITY MONITORREST BREAKSHEALTHVALIDITYADULTSWORKSTATIONS
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