AuthorsBrierley, Marsha Lynn
Subject Categories::C600 Sports Science
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AbstractSedentary behaviour is independently related to the development of type 2 diabetes, cardiovascular disease and their risk markers. The office workplace is a major contributor to daily sedentary behaviour (sitting); however, it also offers the opportunity to intervene with a large population. Desk-based police staff make up at least a third of UK police employees and experience poorer cardiometabolic health profiles than higher ranked police employees. The purpose of this thesis was to develop and assess the feasibility of delivering a tailored intervention to reduce prolonged sitting in police staff. The first aim of the thesis was to determine the effects of sedentary workplace interventions on cardiometabolic risk markers and ascertain the ‘active ingredients’ in promising studies (Study 1). The second aim was to gather qualitative insights into the acceptability of a theory-based workplace intervention using the APEASE framework (Study 2). The third aim was to interview police staff to understand their barriers and facilitators for reducing sedentary time (Study 3). The fourth aim was to assess the feasibility of conducting a multi-component intervention in police staff (Study 4). The systematic review (Study 1, Chapter 4) found that interventions show promise for improving cardiometabolic health. However, individual studies were at risk of allocation and performance bias. The behaviour change techniques of social comparison, problem solving, demonstration of the behaviour, goal setting, behaviour substitution, and habit reversal were frequently observed in promising interventions. In Study 2 (Chapter 5), a theory-derived sedentary behaviour office worker intervention comprising individual, organisational/social, and environmental modifications was acceptable and practicable. Productivity concerns and cost (of sit-stand desks) were barriers to organisational buy-in. Preference and work tasks influenced engagement with intervention resources. Police staff would benefit from a low cost intervention targeting social influences, education/skills training, and habit reinforcement (Study 3, Chapter 6). In Study 4 (Chapter 8), a tailored intervention was found to be feasible and acceptable for reducing prolonged sitting in police staff. This thesis provides a ‘roadmap’ for the development of interventions using the Behaviour Change Wheel. Findings from the feasibility trial identified key indicators of successful implementation regarding participant recruitment and retention, which should be considered should the intervention go to a full trial. Future research should investigate the long term behavioural and health effects of this intervention in police staff and other office-based occupations with the aim of improving public health.
CitationBrierley, M .L (2020) 'Changing Sedentary Behaviour in the Workplace'. PhD thesis. University of Bedfordshire.
PublisherUniversity of Bedfordshire
TypeThesis or dissertation
DescriptionA thesis submitted to the University of Bedfordshire, in partial fulfilment of the requirements for the degree of Doctor of Philosophy.
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