Methods:
Patients were recruited through an online type 1 diabetes support group and letters mailed to adults with type 1 diabetesthroughout Australia. In a 6-month intervention, followed by a three-month follow-up, patients (n=72) were randomized to usualcare (control group) or usual care and the use of a smartphone application (Glucose Buddy) with weekly text-message feedbackfrom a Certified Diabetes Educator (intervention group). All outcome measures were collected at baseline and every three monthsover the study period. Patients’glycosylated hemoglobin levels (HbA1c) were measured with a blood test and diabetes-relatedself-efficacy, self-care activities, and quality of life were measured with online questionnaires.