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Human Factors: The Journal of the Human Factors and Ergonomics Society
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Everyday Expertise: Cognitive Demands in Diabetes Self-Management

Katherine D. Lippa

Wright State University, Dayton, Ohio

Helen Altman Klein

Wright State University, Dayton, Ohio, helen.klein{at}wright.edu

Valerie L. Shalin

Wright State University, Dayton, Ohio

Objective: To assess the relationship between decision making and successful diabetes self-management. Background: Patients with type II diabetes make routine but critical self-management decisions. Method: We conducted cognitive task analysis interviews with 18 patients to examine problem detection, functional relationships, problem-solving strategies, and types of knowledge used to make self-management decisions. We expected that these decision processes would be related to behavioral adherence and glycemic control. Results: Verbal reports displaying problem detection skills, knowledge of functional relationships, and effective problem-solving strategies were all related to better adherence. Problem detection skill was linked to greater glycemic control. Participants differed in declarative and applied knowledge. Conclusion: Diabetes self-management draws on the same cognitive skills found in experts from diverse professional domains. Considering diabetes self-management as a form of expertise may support adherence. Application: Human factors approaches that support professional expertise may be useful for the decision making of patients with diabetes and other chronic diseases.

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 50, No. 1, 112-120 (2008)
DOI: 10.1518/001872008X250601
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