Event Abstract Back to Event Assessing the efficacy of mobile phone interventions using randomised controlled trials: issues and their solutions. Emma Beard1* 1 University College London, United Kingdom Background: There is growing interest in the use of mobile phone interventions to promote behaviour change and their efficacy has been assessed extensively using exploratory methods (e.g., pilot studies and proof of concept). However, in an era of evidence-based practice, calls have been made for digital interventions to be evaluated with the same rigour as other forms of behaviour change interventions i.e. with randomised controlled trials. Aims: This presentation aims to overview a number of the issues which make randomised controlled trials of mobile phone interventions more complex than for traditional face-to-face behaviour change interventions and how these can be addressed in the statistical analysis. Method(s)/results: The issues and their possible solutions will be discussed in relation to currently published randomised controlled trials of mobile phone behaviour change interventions. These issues include missing data and drop-out, randomisation failure, confounding effects of time, and the presence of clustering. Possible solutions which will be considered include imputation, multi-level modelling, regression adjustment, the use of Bayes factors and matching procedures. Conclusions: This presentation will highlight a number of issues for consideration when evaluating mobile phone interventions in order to aid researchers active in the mHealth field. Keywords: methodology, health pschology, analysis methods, statistics, mobile phone Conference: 2nd Behaviour Change Conference: Digital Health and Wellbeing, London, United Kingdom, 24 Feb - 25 Feb, 2016. Presentation Type: Oral presentation Topic: Academic Citation: Beard E (2016). Assessing the efficacy of mobile phone interventions using randomised controlled trials: issues and their solutions.. Front. Public Health. Conference Abstract: 2nd Behaviour Change Conference: Digital Health and Wellbeing. doi: 10.3389/conf.FPUBH.2016.01.00006 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 13 Oct 2015; Published Online: 09 Jan 2016. * Correspondence: Dr. Emma Beard, University College London, London, United Kingdom, e.beard@ucl.ac.uk Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Emma Beard Google Emma Beard Google Scholar Emma Beard PubMed Emma Beard Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page.