Professor Souraya Sidani
Menzies Health Institute Queensland
Optimising Health Outcomes Seminar
A systemic process for developing complex interventions
The changing demographics of patients (e.g. living longer with chronic conditions) and their experience of multiple health problems (e.g. physical, psychological and social) require the development of complex interventions. These interventions often consist of multiple components that address the range of patients' problems, and are implemented by different health professionals, at different levels of operation, in different contexts. To successfully resolve patients' problems, complex interventions should be systematically developed.
In this seminar, a systematic process will be described and illustrated with examples. The process integrates elements of the theory-informed, intervention mapping, and patient engagement approaches for designing interventions. The process involves these phases: 1) Generating an understanding of the patient problems; 2) Specifying aspects of the problems amenable to change; 3) Mapping evidence-based intervention components or designing new ones targeting each problem; 4) Clarifying the active ingredients and the non-specific elements of individual components, and possible interactions among components; 5) Delineating the mechanism through which the components, independently or collectively, induce beneficial outcomes; 6) Developing a logic model to specify the input (resources required for implementing the intervention), process (components, activities, mode and dose of delivery), and outcomes of the intervention. The logic model is useful for 7) Assessing the acceptability and feasibility of the intervention. Strategies for carrying out these phases will be discussed.
Souraya Sidani, PhD, is Full Professor and Canada Research Chair in the Design and Evaluation of Patient-Centred Health Interventions, School of Nursing, Ryerson University. Her areas of expertise are in quantitative research methods, intervention design and evaluation, treatment preferences, patient-centred care, and measurement. She received funding, as principal or co-investigator, for over 100 studies (about $12 million) that focused on evaluating interventions; examining patient preferences for treatments; refining research methods and measures for determining the clinical effectiveness of interventions; and evaluating the contribution of the nurse practitioner role. She has published peer-reviewed articles related to the design, implementation, and evaluation of health interventions, and alternative research designs (e.g. preference trials) and methods (e.g. protocol for cultural adaptation of interventions; measures of patient-centred care). Her recent books on intervention design, implementation and evaluation, and on conventional and innovative research methods for evaluating health interventions are used in graduate levels courses, worldwide.
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