A NOVEL HAND-HELD INTERFACE SUPPORTING THE SELF-MANAGEMENT OF TYPE 1 DIABETES
- Pau Herrero, United Kingdom
- Robert Spence, United Kingdom
- Kezhi Li, United Kingdom
- Chukwuma Uduku, United Kingdom
- Taiyu Zhu, United Kingdom
- Leah Redmond, United Kingdom
- Pau Herrero, United Kingdom
- Nick Oliver, United Kingdom
- Pantelis Georgiou, United Kingdom
Abstract
Background and Aims
The novel ARISES app designed to be used by people with Type-1 diabetes incorporates a number of interface features designed to enhance its usability. One feature is a diary offering both focus-plus-context and historical views of medical data. Another is the novel use of context (Figure). A third is the smooth manual exploration (“What if . . ?”) of the effect of carbohydrate intake on predicted blood glucose level and recommended insulin dose.
Methods
Usability evaluation is of paramount importance and will take two forms. One is a full conventional clinical trial in the course of which a number of quantitative and qualitative usability outcomes will be observed. That will follow a pilot study to identify possible improvements. For this latter study, a novel concept called Circles of Affordance has been devised. It is economic and designed to show a user’s departure from optimum behaviour.
Results
Implementation of the interface is at an advanced stage and will be complete by November 2019. The Circles of Affordance diagram has been through initial tests based on a number of virtual scenarios.
Conclusions
Design of the smartphone app's interface has benefitted from feedback from both representative users and interface design specialists, and its implementation is almost complete. Plans are in place to carry out usability studies.