Interventions to reduce sedentary time in older adults with and without mobility limitation

Aunger, Justin Avery ORCID: 0000-0001-6975-4570 (2020). Interventions to reduce sedentary time in older adults with and without mobility limitation. University of Birmingham. Ph.D.

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Abstract

Older adults are a growing portion of the population and are most at-risk of the negative health effects of sedentary behaviour. In this PhD, a systematic review was presented which assessed existing interventions to reduce sedentary behaviour in older adults and found that to date, none have recruited older adults with co-morbidities or mobility limitations, and have not assessed clinical outcomes. Older adults with osteoarthritis are highly sedentary, and thus reducing their sedentariness prior to hip or knee replacement surgeries may be pertinent to improve their health and post-surgical outcomes. A randomised controlled feasibility study based on Self-Determination Theory was conducted in 35 patients waiting for surgery using a range of behavioural techniques to increase activity and reduce sitting. It was found that the study was feasible to patients, and that it had potential to improve physical function and reduce sedentary behaviour but required some modification to be
feasible to deliver. More robust trials to test efficacy of the intervention are required; thus, the design of a future RCT was presented, requiring multi-site design and 188 participants to detect meaningful changes in physical function post-surgery.

Type of Work:

Thesis (Doctorates > Ph.D.)

Award Type:

Doctorates > Ph.D.

Supervisor(s):