What strategies do desk-based workers choose to reduce sitting time and how well do they work? Findings from a cluster randomised controlled trial

Stephens, Samantha K., Eakin, Elizabeth G., Clark, Bronwyn K., Winkler, Elisabeth A. H., Owen, Neville, LaMontagne, Anthony D., Moodie, Marj, Lawler, Sheleigh P., Dunstan, David W. and Healy, Genevieve N. 2018, What strategies do desk-based workers choose to reduce sitting time and how well do they work? Findings from a cluster randomised controlled trial, International journal of behavioral nutrition and physical activity, vol. 15, no. 1, doi: 10.1186/s12966-018-0731-z.

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Title What strategies do desk-based workers choose to reduce sitting time and how well do they work? Findings from a cluster randomised controlled trial
Author(s) Stephens, Samantha K.
Eakin, Elizabeth G.
Clark, Bronwyn K.
Winkler, Elisabeth A. H.
Owen, Neville
LaMontagne, Anthony D.ORCID iD for LaMontagne, Anthony D. orcid.org/0000-0002-5811-5906
Moodie, MarjORCID iD for Moodie, Marj orcid.org/0000-0001-6890-5250
Lawler, Sheleigh P.
Dunstan, David W.
Healy, Genevieve N.
Journal name International journal of behavioral nutrition and physical activity
Volume number 15
Issue number 1
Article ID 98
Total pages 11
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2018-10-12
ISSN 1479-5868
Keyword(s) Intervention
Office workers
Physical activity
Sitting time
Science & Technology
Life Sciences & Biomedicine
Nutrition & Dietetics
Summary BACKGROUND: Large amounts of sitting at work have been identified as an emerging occupational health risk, and findings from intervention trials have been reported. However, few such reports have examined participant-selected strategies and their relationships with behaviour change. METHODS: The Stand Up Victoria cluster-randomised controlled trial was a workplace-delivered intervention comprising organisational, environmental and individual level behaviour change strategies aimed at reducing sitting time in desk-based workers. Sit-stand workstations were provided, and participants (n = 134; intervention group only) were guided by health coaches to identify strategies for the 'Stand Up', 'Sit Less', and 'Move More' intervention targets, including how long they would stand using the workstation. Three-month workplace sitting and activity changes (activPAL3-assessed total sitting, prolonged sitting (i.e., sitting ≥30 min continuously) and purposeful walking) were evaluated in relation to the number (regression analysis) and types of strategies (decision-tree analysis). RESULTS: Over 80 different strategies were nominated by participants. Each additional strategy nominated for the 'Stand Up' intervention target (i.e. number of strategies) was associated with a reduction in prolonged sitting of 27.6 min/8-h workday (95% CI: -53.1, - 2.1, p = 0.034). Types of strategies were categorised into 13 distinct categories. Strategies that were task-based and phone-based were common across all three targets. The decision tree models did not select any specific strategy category as predicting changes in prolonged sitting ('Stand Up'), however four strategy categories were identified as important for total sitting time ('Sit Less') and three strategy categories for purposeful walking ('Moving More'). The uppermost nodes (foremost predictors) were nominating > 3 h/day of workstation standing (reducing total workplace sitting) and choosing a 'Move More' task-based strategy (purposeful walking). CONCLUSIONS: Workers chose a wide range of strategies, with both strategy choice and strategy quantity appearing relevant to behavioural improvement. Findings support a tailored and pragmatic approach to encourage a change in sitting and activity in the workplace. Evaluating participant-selected strategies in the context of a successful intervention serves to highlight options that may prove feasible and effective in other desk-based workplace environments. TRIAL REGISTRATION: This trial was prospectively registered with the Australian New Zealand Clinical Trials register ( ACTRN12611000742976 ) on 15 July 2011.
Language eng
DOI 10.1186/s12966-018-0731-z
Field of Research 111705 Environmental and Occupational Health and Safety
11 Medical And Health Sciences
13 Education
Socio Economic Objective 920505 Occupational Health
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30114693

Document type: Journal Article
Collections: School of Health and Social Development
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