• Karen Waller, Susan Furber, Adrian Bauman, Margaret Allman-Farinelli, Paul van den Dolder, Alison Hayes, Franca Facci, Lisa Franco, Alison Webb, Robert Moses, and Stephen Colagiuri.
• Illawarra Shoalhaven Local Health District, Warrawong, Australia. karen.waller@health.nsw.gov.au.
• Bmc Public Health. 2019 Mar 4; 19 (1): 262.

BackgroundDiabetes prevalence is rapidly increasing, with type 2 diabetes predicted to be the leading contributor of non-communicable disease in Australia by 2020. It is anticipated that rates of type 2 diabetes will continue to increase if factors such as overweight and obesity, low physical activity and poor nutrition are not addressed. The majority of Australians with type 2 diabetes do not meet the guidelines for optimal diabetes management, and access to diabetes education is limited. This highlights the need for new interventions that can reduce existing barriers to diabetes education, attain greater population reach and support self-management strategies for people with type 2 diabetes. Mobile phone text messages have shown promising results as an intervention for people with chronic disease. They have the ability to achieve high levels of engagement and broad population reach, whilst requiring minimal resources. There is however, no evidence on the effect of text messaging to improve the health of people with type 2 diabetes in Australia.Methods/DesignThis randomised controlled trial aims to investigate if a 6 month text message intervention (DTEXT) can lead to improvements in glycated haemoglobin (HbA1c) and diabetes self-management among Australian residents in New South Wales (NSW) with type 2 diabetes. Community dwelling adults (n = 340) will be recruited with the primary outcome being change in HbA1c at 6 months. Secondary outcomes include behaviour change for diabetes self-management, self-efficacy, quality of life and intervention acceptability. An economic evaluation will be conducted using a funder plus patient perspective.DiscussionThis study will provide evidence on the effectiveness and cost effectiveness of a text message intervention to reduce HbA1c and enhance self-management of type 2 diabetes in the Australian population. If successful, this intervention could be used as a model to complement and extend existing diabetes care in the Australian health care system.Trial RegistrationThe study has been registered with the Australian New Zealand Clinical Trials Registry, Trial ID: ACTRN12617000416392 . Registered: 23 March 2017.

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