Hargreaves Elaine A, Haszard Jillian J, Shaw Sally, Peddie Meredith C
School of Physical Education, Sport and Exercise Sciences, University of Otago, PO Box 56, Dunedin, New Zealand.
Department of Human Nutrition, University of Otago, PO Box 56, Dunedin, New Zealand.
Pilot Feasibility Stud. 2021 Sep 7;7(1):172. doi: 10.1186/s40814-021-00903-2.
Prolonged sitting increases the risk of cardio-metabolic disease. Office-based employees are particularly susceptible to high rates of this sedentary behaviour during work hours. Laboratory studies indicate that regularly interrupting periods of prolonged sitting with short bouts (2 min) of physical activity can improve markers of cardio-metabolic health. This method of interrupting sitting time is yet to be tested in an occupational setting and may provide an alternative to providing sit-to-stand desks. Drawing on the Behaviour Change Wheel and evidence on the barriers and motivators to performing regular activity breaks, the Move More @ Work intervention was developed. The objectives of this pilot study are to examine the feasibility, and preliminary outcomes, of this intervention designed to encourage participants to perform 1-2 min of activity after every 30 min of continuous sitting throughout the work day. The study will inform if progress to a full effectiveness trial is warranted.
An interrupted time series design consisting of a 4-week baseline (control period), a 12-week intervention, and a 12-week follow-up will be utilised. At least 57 university employees who self-report spending > 5 h per day sitting at work on at least 3 days per week will be recruited to participate. The intervention consists of (1) a structured consultation with a Move More @ Work coach, containing a number of behaviour change techniques to create an individualised plan of how to incorporate the activity breaks into the working day, and (2) strategies to create a supportive workplace culture for performing the activity breaks. Feasibility will be assessed by recruitment and retention rates, and acceptability of the intervention. Pilot outcomes are the number of regular activity breaks taken during the workday, cardio-metabolic risk score and self-reported health, and work-related productivity outcomes.
If the Move More @ Work intervention is shown to be feasible, acceptable, and shows evidence of effectiveness, this will provide justification for the progression to a full scale evaluation of the intervention. In the longer-term, this intervention may provide an alternative means of improving health outcomes through interrupting sedentary time than that offered by current sedentary behaviour interventions.
Australian New Zealand Clinical Trials Registry, ACTRN12620000354987 . Registered on 12 March 2020.
长时间坐着会增加患心血管代谢疾病的风险。办公室职员在工作时间特别容易出现这种久坐行为。实验室研究表明，定期用短时间（2分钟）的体育活动打断长时间的久坐，可以改善心血管代谢健康指标。这种打断久坐时间的方法尚未在职业环境中进行测试，可能为提供坐站两用办公桌提供一种替代方案。借鉴行为改变轮以及关于进行定期活动休息的障碍和动机的证据，开发了“工作中多动一动”干预措施。这项试点研究的目的是检验这种旨在鼓励参与者在工作日每连续坐30分钟后进行1 - 2分钟活动的干预措施的可行性和初步结果。该研究将为是否有必要推进到全面有效性试验提供依据。
将采用一个中断时间序列设计，包括4周的基线期（对照期）、12周的干预期和12周的随访期。将招募至少57名自我报告每周至少有3天每天在工作时坐着超过5小时的大学员工参与。干预措施包括：（1）与“工作中多动一动”教练进行结构化咨询，其中包含多种行为改变技巧，以制定将活动休息融入工作日的个性化计划；（2）营造支持进行活动休息的工作场所文化的策略。将通过招募和留存率以及干预措施的可接受性来评估可行性。试点结果包括工作日期间进行的定期活动休息次数、心血管代谢风险评分、自我报告的健康状况以及与工作相关的生产力结果。
如果“工作中多动一动”干预措施被证明是可行的、可接受的且有有效性证据，这将为推进对该干预措施的全面评估提供依据。从长远来看，这种干预措施可能提供一种通过打断久坐时间来改善健康结果的替代方法，不同于目前的久坐行为干预措施。
澳大利亚新西兰临床试验注册中心，ACTRN1262000
0354987。于2020年3月12日注册。
