Motive8!: feasibility of a text messaging intervention to promote physical activity in knee osteoarthritis

Blake, Holly and Roberts, Anna L. and Batt, Mark E. and Moses, Jonathan P. (2015) Motive8!: feasibility of a text messaging intervention to promote physical activity in knee osteoarthritis. International Journal of Sports and Exercise Medicine, 1 (5). pp. 1-8. ISSN 2469-5718

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Abstract

Aim: To develop and test the feasibility of using a SMS text messaging intervention to promote physical activity in patients with knee OA.

Methods: 27 people (6 male, 21 female; aged 25-81 years) with knee osteoarthritis received 4 text messages per week, for 6 weeks. Telephone surveys were conducted at baseline and 6 weeks to measure physical activity levels and beliefs, including self-efficacy for exercise, barriers and benefits of exercise, social support and pain. Participants completed physical activity diaries. Process evaluation included participant perceptions of the intervention and 'real-time' data on intervention fidelity (automated collection of delivery and response data) and participant engagement (text response).

Results: 648 messages were sent, 100% were accurately delivered. From baseline to 6 weeks, physical activity, self-efficacy for exercise, perceived benefits of exercise and social support significantly increased; reductions were observed in barriers to exercise and pain. Participants engaged with the intervention; 100% read the messages, 89% responded to texts requesting replies, 64% completed physical activity diaries with low attenuation (1.8% drop) by six weeks. Participants perceived messaging to be enjoyable (96%), personally relevant (85%), of appropriate frequency (100%) and duration (88%). Mobile phones, email and web were perceived to be most acceptable for health promotion compared with other forms of technology.

Conclusions: People with knee osteoarthritis can engage meaningfully with an interactive mobile phone messaging intervention over a six-week period. Health communications promoting physical activity demonstrate potential for behaviour change and positive implications for perceptions of exercise and pain; this needs to be tested in a randomised trial. Data collected in 'real-time' can be used for process evaluation to demonstrate participant engagement and intervention fidelity.

Item Type: Article
Keywords: Mobile phone, Health communication, Text messaging, Physical activity, Knee osteoarthritis
Schools/Departments: University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Health Sciences
Depositing User: Eprints, Support
Date Deposited: 02 Nov 2016 08:59
Last Modified: 13 Oct 2017 21:22
URI: http://eprints.nottingham.ac.uk/id/eprint/38426

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