Preprint Article Version 1 This version is not peer-reviewed

Changes in Sitting Time and Sitting Fragmentation after a Workplace Sedentary Behaviour Intervention

Version 1 : Received: 4 May 2018 / Approved: 10 May 2018 / Online: 10 May 2018 (05:18:52 CEST)

A peer-reviewed article of this Preprint also exists.

Hutchinson, J.; Headley, S.; Matthews, T.; Spicer, G.; Dempsey, K.; Wooley, S.; Janssen, X. Changes in Sitting Time and Sitting Fragmentation after a Workplace Sedentary Behaviour Intervention. Int. J. Environ. Res. Public Health 2018, 15, 1148. Hutchinson, J.; Headley, S.; Matthews, T.; Spicer, G.; Dempsey, K.; Wooley, S.; Janssen, X. Changes in Sitting Time and Sitting Fragmentation after a Workplace Sedentary Behaviour Intervention. Int. J. Environ. Res. Public Health 2018, 15, 1148.

Journal reference: Int. J. Environ. Res. Public Health 2018, 15, 1148
DOI: 10.3390/ijerph15061148

Abstract

Prolonged sedentary behaviour (SB) has shown to be detrimental to health. Nevertheless, population levels of SB are high and interventions to decrease SB are needed. This study aimed to explore the effect of an individualized consultation intervention aimed at reducing SB and increasing breaks in SB among college employees. A pre-experimental study design was used. Participants (n=36) were recruited at a college in Massachusetts, USA. SB was measured over 7 consecutive days using an activPAL3 accelerometer. Following baseline measures, all participants received an individualized SB consultation which focused on limiting bouts of SB >30 minutes, participants also received weekly follow-up e-mails. Post-intervention measures were taken after 16 weeks. Primary outcome variables were sedentary minutes/day and SB bouts >30 minutes. Differences between baseline and follow-up were analyzed using paired t-tests. The intervention did not change daily sedentary time (-0.48%; p>0.05). The number of sedentary bouts >30 minutes decreased significantly by 0.52 bouts/day (p=0.015). In this study a consultation based SB intervention was successful in reducing number of bouts >30 minutes of SB. However, daily sedentary time did not reduce significantly. These results indicate that consultation-based interventions may be effective if focused on a specific component of SB.

Subject Areas

sitting time; occupational; sedentary fragmentation; objective measurement

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