After attending this year's 4th Artificial Pancreas Workshop at the National Institutes of Health, 1 I was inspired by one of the panelists' comments on the tools available to people with diabetes. The individual, a person with type 1 diabetes who also happened to be an industrial design professional, criticized the manufacturers for deficiencies in the user interface of various technologies used by people with diabetes. This is not surprising to those of us who are innovators, clinicians or researchers in the field as we have all come across difficult to read screens (glucose meters or insulin pumps), difficult to activate buttons, poor choice of colors or features, and so on. An obvious question is: are manufacturers of those devices not sufficiently attentive to the users' needs? It is indeed challenging for people with diabetes to remain vigilant about their glycemic control and take proper action, almost hourly, to maintain glucose levels within recommended ranges. It would however be too simplistic to suggest that technology alone could ensure good control although it is fair to say that careful consideration of human factors when designing these critical tools could help maximize the patient's ability to self-manage their blood glucose (BG) and remain in control.
2In that respect, the study by Grady et al 3 is timely and exciting striving toward better understanding of relevant human factors in the design of their glucose meter displays. Although the study was designed and performed by the device manufacturer, their investigation focused on meaningful device optimization objectives that could be important to improving diabetes self-management:1. How do people with type 1 and 2 diabetes respond to a bright color range indicator (CRI, ColorSure™ technology) on their point-of-care meter, and is there a difference in this response between meters that display a CRI color range bar versus a CRI color dot with a simple text message to indicate out of range values? 2. Are the numeracy skills of people with diabetes related to their interpretation of self-monitoring of blood glucose (SMBG) data?The fact that nearly half of people with type 2 diabetes are still having difficulty with the interpretation and use of their SMBG data has been a persistent problem, raising once again the nagging question of why are so many people with diabetes not able to achieve clinically recommended BG targets using available point-of-care technology. Polonsky et al showed from their large survey of people with type 2 diabetes that about 50% of insulin and non-insulin using patients took no action for low or high out-of-range BG values. 4 It is also intriguing that people with diabetes seem more tolerant
AbstractThe study by Grady et al is timely and exciting striving toward better understanding of relevant human factors in the design of their glucose meter displays. Their investigation focused on meaningful device optimization objectives that could be important to improving diabetes self-management. Grady et al are to be complimente...