Long-term effects of sit-stand workstations on workplace sitting: A natural experiment

Zhu, Wenfei; Gutiérrez, Mónica; Toledo, Meynard John L.; Mullane, Sarah L.; Stella, Anna Park; Diemar, Randolph; Buman, Kevin F.; Buman, Matthew P.

doi:10.1016/j.jsams.2017.12.005

Cited by 40 publications

(43 citation statements)

References 26 publications

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“…Taking into account this discrepancy, the true reduction in sitting time may be closer to 52 min per 8 h workday, which is similar to findings in other studies. In one study, participants decreased sitting time by 53 min in an 8 h workday using SSDs (Zhu et al, 2018). Another study found that participants decreased sitting time by 45 min in an 8 h workday at 12 month (Healy et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

“…A 2016 meta-analysis of such workplace interventions showed that in the short term (up to 3 months) the impact of SSDs on reducing sitting time with standing is about 30 min to 2 h per workday (Shrestha et al, 2016). However, most studies evaluated the interventions in the short term, with only a few examining longer-term effects; two such studies found a 45–53 min decease in workplace sitting at the 12–18 months follow-up (Healy et al, 2016; Zhu et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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One-year follow-up of a sit-stand workstation intervention to decrease sedentary time in office workers

Dutta

Walton

Pereira

2019

Preventive Medicine Reports

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BackgroundProlonged sedentary time is associated with adverse health outcomes, after controlling for the role of moderate-to-vigorous physical activity. We previously reported on a four-week randomized trial using a sit-stand desk (SSD) intervention that decreased sedentary time at work without changing activity level during non-work hours.PurposeThe purpose of this study was to measure the impact of the SSD on sitting time and activity level one year after the original intervention.MethodsA pre-post design was used where the control period from the original study was regarded as “pre” and the measurements made in the follow-up study as “post.” The follow-up study was conducted in the same office workers over a two-week period in June 2013.ResultsFifteen out of the 23 participants took part in the follow-up study. Self-reported sitting time during work-hours was decreased by 22% (95% CI: 15% to 29%; p < 0.001), replaced almost entirely by standing. Activity measured by Gruve accelerometer during work-hours were significantly higher in the one-year follow-up period compared to baseline (+24,748 AU/h; 95% CI: 7150 to 42,347; p < 0.01). Sedentary time during work-hours was decreased by 0.77 min per work-hour (95% CI: −1.88 to 0.33 min/h; p = 0.17). Qualitative findings through focus group sessions suggested the workers had overall favorable experiences with the SSDs without negatively impacting productivity.ConclusionOne year following the original intervention, participants continue to have increased activity and decreased sedentary time at work with the use of SSDs.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

One-year follow-up of a sit-stand workstation intervention to decrease sedentary time in office workers

Dutta

Walton

Pereira

2019

Preventive Medicine Reports

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“…Most previous qualitative studies of SSW use have been conducted as short term evaluation components of larger research studies, which either sought to implement SSW in workplaces in a systematic way, or were conducted within a laboratory/ simulated workplace environment [11, 12, 25, 30]. Evidence from these studies has shown positive health effects as well as the importance of organisational support and workplace and individual culture in the successful adoption of SSW [16, 19, 41]. The results of this study, in comparison, highlight the use of SSW within a natural workplace environment.…”

Section: Discussionmentioning

confidence: 99%

“…Whilst users have reported greater musculoskeletal comfort from height adjustable workstation use over a short term period [15], and there has been work to determine factors associated with sustainability of interventions after a workplace intervention [16, 17] factors associated with longer term in vivo use remain largely unknown. Much of the public health literature focusses on SSW users’ cardio-metabolic outcomes [18] as well as the role of organisational support and workplace culture in the uptake of SSW within the context of intervention trials [19]. However there is a lack of evidence around users’ understanding of their musculoskeletal disorder risk when seated compared to standing [20–22].…”

Section: Introductionmentioning

confidence: 99%

Current and ceased users of sit stand workstations: a qualitative evaluation of ergonomics, safety and health factors within a workplace setting

Henderson¹,

Stuckey

Keegel

2018

BMC Public Health

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BackgroundMany workplaces have implemented sit-stand workstations (SSW), which enable a worker to transition between sitting and standing as they perform their work activities. The factors which determine the initial adoption, sustainability or cessation of use for a SSW, remain largely unexamined. This study investigates the experiences of workers who had previously used or were currently using a SSW.MethodsThe study setting was within an Australian university. Participants who were current or past SSW users, as well as workplace key informants, were interviewed for the study. All interviews were recorded, transcribed and analysed. Transcripts were coded by two researchers for concepts and themes regarding uptake and sustainability of SSW. Discussion and validation of themes was undertaken by the team of three researchers.ResultsA total of 24 interviews were conducted. Twenty-two interviews were with ceased and current users (16 current and six ceased users) and two interviews were with workplace key informants. Analysis of the interviews with current and ceased users identified three main themes: Personal considerations for use/sustainability; Posture; and Usability. Analysis of the interviews with key informants identified two themes: Considerations and concerns and Policies and procedures. Little information was provided to workers when first using a SSW. Workers who were able to adopt their working style to the new workstations were able to sustain ongoing use of a SSW. Key informants were concerned that employees believed using a SSW would provide a health benefit in its own right without an understanding of the possible risks that might be associated with use.ConclusionsSustainable usage of this type of SSW is achievable, however, it requires some element of adaptation at the individual worker level. Participants spoke about how the use of the SSW in a standing position was typically associated with the time of day, specific task selection and musculoskeletal comfort or fatigue factors. The provision of education to new SSW users with relevant supporting information by a subject matter expert should enable the worker to obtain a more holistic understanding of the safety and health risks and benefits embedded in the use of a SSW.Electronic supplementary materialThe online version of this article (10.1186/s12889-018-6296-6) contains supplementary material, which is available to authorized users.

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“…Therefore, an increasingly popular strategy to reduce workplace sedentary behavior is the use of sit-stand workstations, which provide desk-based office workers with the opportunity to alternate between seated and standing positions throughout the day ( 16 ). Behavioral trials incorporating sit-stand workstations have demonstrated significant reductions in workplace sitting and these effects appear sustained over 18 months ( 17 ). However, avoiding prolonged bouts of sitting ( 18 ) and sustaining frequent sit-stand workstation use over time continues to be a challenge due to the habitual nature of sitting in the workplace ( 19 ).…”

Section: Introductionmentioning

confidence: 99%

Using Point-of-Choice Prompts to Reduce Sedentary Behavior in Sit-Stand Workstation Users

Larouche

Mullane

Toledo

et al. 2018

Front. Public Health

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Introduction: Desk-based office workers are at occupational risk for poor health outcomes from excessive time spent sitting. Sit-stand workstations are used to mitigate sitting, but lack of workstation usage has been observed. Point-of-choice (PoC) prompts offer a complementary strategy for office workers to break up their sitting time.Study purpose: The purpose of this study was to examine the preliminary efficacy, preference, and acceptability of a theory-driven (i.e., 40 unique prompts encompassing social cognitive theory; TD-PoC) and an atheoretical basic reminder PoC prompt intervention (R-PoC) on reducing sedentary behavior in office workers with self-reported low sit-stand workstation usage (≤4 h per day).Methods: In a cross-over design, participants (N = 19, 78.9% female, 39.4 ± 10.7 years of age) completed a 5-days no-prompt control condition followed by a random and counterbalanced assignment to one of the TD-PoC and R-PoC active conditions with a 1-week washout period between. Preliminary efficacy was assessed during work hours with the activPAL micro accelerometer. Preference was assessed prior to each active condition and acceptability was assessed following each active condition via questionnaire.Results: The R-PoC prompt condition significantly decreased sitting time (b[se] = −49.0 [20.8], p = 0.03) and increased standing time (b[se] = 49.8 [19.7], p = 0.02) and displayed a significant increase in sit-stand transitions (b[se] = 2.3 [1.1], p = 0.04), relative to no-prompt control. Both the R-PoC and TD-PoC prompt conditions significantly decreased time spent in prolonged sitting bouts at b[se] = −68.1 [27.8], (p = 0.02), (b[se] = −76.7 [27.1], p = 0.008) relative to no-prompt control. Overall, the TD-PoC prompt condition displayed higher preference and acceptability ratings; however, these differences were not significant (p's > 0.05).Conclusion: While the R-PoC prompt condition was slightly more efficacious than the TD-PoC prompt condition, the TD-PoC prompt condition was rated with higher preference and acceptability scores. Large variations between participants in preference, acceptability, and intervention feedback may indicate need for tailored messaging which may facilitate sustained use in the long-term.

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Long-term effects of sit-stand workstations on workplace sitting: A natural experiment

Cited by 40 publications

References 26 publications

One-year follow-up of a sit-stand workstation intervention to decrease sedentary time in office workers

One-year follow-up of a sit-stand workstation intervention to decrease sedentary time in office workers

Current and ceased users of sit stand workstations: a qualitative evaluation of ergonomics, safety and health factors within a workplace setting

Using Point-of-Choice Prompts to Reduce Sedentary Behavior in Sit-Stand Workstation Users

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