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Title: Testing a TheoRY-inspired MEssage ('TRY-ME') : a sub-trial within the Ontario Printed Educational Message (OPEM) trial
Authors: Francis, Jillian Joy
Grimshaw, Jeremy
Zwarenstein, Merrick
Eccles, Martin P.
Shiller, Susan
Godin, Gaston
Johnston, Marie
O'Rourke, Keith
Presseau, Justin
Tetroe, Jacqueline
University of Aberdeen, School of Medicine & Dentistry, Division of Applied Health Sciences
Keywords: Clinical Competence
Psychological Theory
Teaching Materials
R Medicine
Issue Date: 26-Nov-2007
Publisher: BioMed Central
Citation: Francis, J.J., et al. (2007). Testing a TheoRY-inspired MEssage ('TRY-ME') : a sub-trial within the Ontario Printed Educational Message (OPEM) trial. Implementation Science [Online], 2(39). Available from: http://www.implementationscience.com/content/2/1/39 [Accessed 8 February 2008].
Abstract: Background: A challenge for implementation researchers is to develop principles that could generate testable hypotheses that apply across a range of clinical contexts, thus leading to generalisability of findings. Such principles may be provided by systematically developed theories. The opportunity has arisen to test some of these theoretical principles in the Ontario Printed Educational Materials (OPEM) trial by conducting a sub-trial within the existing trial structure. OPEM is a large factorial cluster-randomised trial evaluating the effects of short directive and long discursive educational messages embedded into informed, an evidence-based newsletter produced in Canada by the Institute for Clinical Evaluative Sciences (ICES) and mailed to all primary care physicians in Ontario. The content of educational messages in the sub-trial will be constructed using both standard methods and methods inspired by psychological theory. The aim of this study is to test the effectiveness of the TheoRY-inspired MEssage ('TRY-ME') compared with the 'standard' message in changing prescribing behaviour. Methods: The OPEM trial participants randomised to receive the short directive message attached to the outside of informed (an 'outsert') will be sub-randomised to receive either a standard message or a message informed by the theory of planned behaviour (TPB) using a two (long insert or no insert) by three (theory-based outsert or standard outsert or no outsert) design. The messages will relate to prescription of thiazide diuretics as first line drug treatment for hypertension (described in the accompanying protocol, "The Ontario Printed Educational Materials trial"). The short messages will be developed independently by two research teams. The primary outcome is prescription of thiazide diuretics, measured by routinely collected data available within ICES. The study is designed to answer the question, is there any difference in guideline adherence (i.e., thiazide prescription rates) between physicians in the six groups? A process evaluation survey instrument based on the TPB will be administered pre- and post-intervention (described in the accompanying protocol, "Looking inside the black box"). The second research question concerns processes that may underlie observed differences in prescribing behaviour. We expect that effects of the messages on prescribing behaviour will be mediated through changes in physicians' cognitions.
URI: http://hdl.handle.net/2164/182
DOI: http://dx.doi.org/10.1186/1748-5908-2-39
ISSN: 1748-5908
Appears in Collections:Applied Health Sciences research
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