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A mobile phone intervention increases physical activity in people with cardiovascular disease: Results from the HEART randomized controlled trial.

Maddison, Ralph, Pfaeffli, Leila, Whittaker, Robyn, Stewart, Ralph, Kerr, Andrew, Jiang, Yannan, Kira, Geoffrey, Leung, William, Dalleck, Lance, Carter, Karen and Rawstorn, Jonathon 2015, A mobile phone intervention increases physical activity in people with cardiovascular disease: Results from the HEART randomized controlled trial., European journal of preventative caridology, vol. 22, no. 6, pp. 701-709, doi: 10.1177/2047487314535076.

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Title A mobile phone intervention increases physical activity in people with cardiovascular disease: Results from the HEART randomized controlled trial.
Author(s) Maddison, RalphORCID iD for Maddison, Ralph orcid.org/0000-0001-8564-5518
Pfaeffli, Leila
Whittaker, Robyn
Stewart, Ralph
Kerr, Andrew
Jiang, Yannan
Kira, Geoffrey
Leung, William
Dalleck, Lance
Carter, Karen
Rawstorn, JonathonORCID iD for Rawstorn, Jonathon orcid.org/0000-0002-9755-7993
Journal name European journal of preventative caridology
Volume number 22
Issue number 6
Start page 701
End page 709
Total pages 9
Publisher Sage
Place of publication London, Eng
Publication date 2015-06
ISSN 2047-4881
Keyword(s) Exercise
mobile phones
rehabilitation
self-efficacy
text messaging
trials
Summary AIM: To determine the effectiveness and cost-effectiveness of a mobile phone intervention to improve exercise capacity and physical activity behaviour in people with ischaemic heart disease (IHD).

METHODS AND RESULTS: In this single-blind, parallel, two-arm, randomized controlled trial adults (n = 171) with IHD were randomized to receive a mobile phone delivered intervention (HEART; n = 85) plus usual care, or usual care alone (n = 86). Adult participants aged 18 years or more, with a diagnosis of IHD, were clinically stable as outpatients, able to perform exercise, able to understand and write English, and had access to the Internet. The HEART (Heart Exercise And Remote Technologies) intervention involved a personalized, automated package of text messages and a secure website with video messages aimed at increasing exercise behaviour, delivered over 24 weeks. All participants were able to access usual community-based cardiac rehabilitation, which involves encouragement of physical activity and an offer to join a local cardiac support club. All outcomes were assessed at baseline and 24 weeks and included peak oxygen uptake (PVO2; primary outcome), self-reported physical activity, health-related quality of life, self-efficacy and motivation (secondary outcomes). Results showed no differences in PVO2 between the two groups (difference -0.21 ml kg(-1)min(-1), 95% CI: -1.1, 0.7; p = 0.65) at 24 weeks. However significant treatment effects were observed for selected secondary outcomes, including leisure time physical activity (difference 110.2 min/week, 95% CI: -0.8, 221.3; p = 0.05) and walking (difference 151.4 min/week, 95% CI: 27.6, 275.2; p = 0.02). There were also significant improvements in self-efficacy to be active (difference 6.2%, 95% CI: 0.2, 12.2; p = 0.04) and the general health domain of the SF36 (difference 2.1, 95% CI: 0.1, 4.1; p = 0.03) at 24 weeks. The HEART programme was considered likely to be cost-effective for leisure time activity and walking.

CONCLUSIONS: A mobile phone intervention was not effective at increasing exercise capacity over and above usual care. The intervention was effective and probably cost-effective for increasing physical activity and may have the potential to augment existing cardiac rehabilitation services.
Language eng
DOI 10.1177/2047487314535076
Field of Research 111799 Public Health and Health Services not elsewhere classified
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, European Society of Cardiology
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081437

Document type: Journal Article
Collection: Centre for Physical Activity and Nutrition Research
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