Breaks in Sedentary Time

Healy, Geneviève N.; Dunstan, David W.; Salmon, Jo; Cerin, Ester; Shaw, Jonathan E.; Zimmet, Paul; Owen, Neville

doi:10.2337/dc07-2046

Cited by 1,251 publications

(1,126 citation statements)

References 33 publications

(26 reference statements)

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“…The number of breaks in sedentary time observed at baseline (83 breaks) are similar to the average number of breaks reported by Cooper et al [34] (84 breaks) among individuals newly diagnosed with type 2 diabetes. The break duration and intensity found at baseline and 1 month were also comparable with those reported in a cross-sectional study conducted by Healy et al [12]. The observed decrease in assessment accelerometer wear time may have contributed to the decreased number of breaks observed at 1 month.…”

Section: Discussionsupporting

confidence: 87%

“…The percentage of wear time of each day spent in sedentary behavior, light-intensity activity, or moderate-to-vigorousintensity physical activity was calculated to account for differences in accelerometer wear time. Breaks in sedentary time were defined as a transition from sedentary (<100 cpm) to an active state (≥100 cpm) [12] and were summed over valid days (≥10 h of wear time). The average intensity (cpm) and duration of sedentary breaks were also calculated.…”

Section: Neat! Interventionmentioning

confidence: 99%

“…In addition, a large amount of sitting is associated with a 112 % increased risk of developing type 2 diabetes and has detrimental effects on insulin resistance and glycemia [3,9]. Increased levels of 2 h plasma glucose are seen not only in those with increased total sedentary time but also in those who have fewer interruptions in sedentary time [10][11][12]. Recent experimental findings suggest that breaking up prolonged bouts (≥20 min) of sedentary behavior with either light-or moderateintensity physical activity for 2 min reduces postprandial glucose and insulin responses [13].…”

Section: Introductionmentioning

confidence: 99%

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Acceptability of smartphone technology to interrupt sedentary time in adults with diabetes

Pellegrini

Hoffman²,

Daly³

et al. 2015

Behav. Med. Pract. Policy Res.

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Breaking up sitting time with light-or moderate-intensity physical activity may help to alleviate some negative health effects of sedentary behavior, but few studies have examined ways to effectively intervene. This feasibility study examined the acceptability of a new technology (NEAT!) developed to interrupt prolonged bouts (≥20 min) of sedentary time among adults with type 2 diabetes. Eight of nine participants completed a 1-month intervention and agreed that NEAT! made them more conscious of sitting time. Most participants (87.5 %) expressed a desire to use NEAT! in the future. Sedentary time decreased by 8.1±4.5 %, and light physical activity increased by 7.9±5.5 % over the 1-month period. The results suggest that NEAT! is an acceptable technology to intervene on sedentary time among adults with type 2 diabetes. Future studies are needed to examine the use of the technology among larger samples and determine its effects on glucose and insulin levels.

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Section: Discussionsupporting

confidence: 87%

Section: Neat! Interventionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Acceptability of smartphone technology to interrupt sedentary time in adults with diabetes

Pellegrini

Hoffman²,

Daly³

et al. 2015

Behav. Med. Pract. Policy Res.

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“…It is possible that prolonged sitting and sedentary behaviours start early after stroke survivors return home. In future, investigation of activity behaviours after stroke should also include measurement of sedentary behaviours such as sitting 2,27 and physical activity interventions should also target reducing daily sitting time to reduce risk of chronic disease in this group 28 .…”

Section: Discussionmentioning

confidence: 99%

Recovery of ambulation activity across the first six months post-stroke

2016

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word count: 245 Word count: 2754 Highlights Stroke survivors increase walking activity over the first 6 months post-discharge.  Stroke survivors increase daily sitting time over the first 6-monts post-discahrge.  Stroke survivors spend least time in long duration and high intensity activity.  Interventions to target activity should be considered 3-months post-discharge. AbstractStroke survivors commonly adopt sedentary activity behaviours by the chronic phase of recovery. However, the change in activity behaviours from the subacute to chronic phase of stroke is variable. This study explored the recovery of ambulation activity (volume and bouts) at one, three and six months after hospital discharge post-stroke. A total of 42 stroke survivors were recruited at hospital discharge and followed up one, three and six months later. At follow-up, ambulation activity was measured over four days using the ActivPAL TM accelerometer. Measures included volume of activity and frequency and intensity of ambulation activity bouts per day. Linear mixed effects modelling was used to determine changes over time. There was wide variation in activity. Total step counts across all time points were below required levels for health benefits (mean 4592 SD 3411). Most activity was spread across short bouts. While most number of bouts was of low intensity, most time was spent in moderate intensity ambulation across all time points. Daily step count and time spent walking and sitting/lying increased from one month to three and six months. The number of and time spent in short and medium duration bouts increased from one to six months. Time in long duration bouts increased at three months only. Time spent in moderate intensity ambulation increased over time. No change was observed for any other measures. In future, it would be valuable to identify strategies to increase engagement in activity behaviours to improve health outcomes after stroke.

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“…Study results have demonstrated associations of prolonged sitting time with premature mortality (1–3); chronic diseases such as cardiovascular disease, diabetes, and cancer (4–7); metabolic syndrome (5,6); and obesity (5,7). In contrast, breaks in prolonged sitting time have been correlated with beneficial metabolic profiles among adults, suggesting that frequent breaks in sedentary activity may explain lower health risk related to waist circumference, body mass index (BMI), triglyceride levels, and 2-hour plasma glucose levels (8). …”

Section: Introductionmentioning

confidence: 99%

Reducing Occupational Sitting Time and Improving Worker Health: The Take-a-Stand Project, 2011

Pronk¹,

Katz²,

Lowry³

et al. 2012

Prev. Chronic Dis.

272

228

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BackgroundProlonged sitting time is a health risk. We describe a practice-based study designed to reduce prolonged sitting time and improve selected health factors among workers with sedentary jobs.Community ContextWe conducted our study during March–May 2011 in Minneapolis, Minnesota, among employees with sedentary jobs.MethodsProject implementation occurred over 7 weeks with a baseline period of 1 week (period 1), an intervention period of 4 weeks (period 2), and a postintervention period of 2 weeks (period 3). The intervention group (n = 24) received a sit-stand device during period 2 designed to fit their workstation, and the comparison group (n = 10) did not. We used experience-sampling methods to monitor sitting behavior at work during the 7 weeks of the project. We estimated change scores in sitting time, health risk factors, mood states, and several office behaviors on the basis of survey responses.OutcomeThe Take-a-Stand Project reduced time spent sitting by 224% (66 minutes per day), reduced upper back and neck pain by 54%, and improved mood states. Furthermore, the removal of the device largely negated all observed improvements within 2 weeks.InterpretationOur findings suggest that using a sit-stand device at work can reduce sitting time and generate other health benefits for workers.

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Breaks in Sedentary Time

Cited by 1,251 publications

References 33 publications

Acceptability of smartphone technology to interrupt sedentary time in adults with diabetes

Acceptability of smartphone technology to interrupt sedentary time in adults with diabetes

Recovery of ambulation activity across the first six months post-stroke

Reducing Occupational Sitting Time and Improving Worker Health: The Take-a-Stand Project, 2011

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