Glucose Buddy app associated with improved type 1 HbA1c in a trial
Adults with poorly controlled type 1 diabetes using Glucose Buddy plus weekly educator texts lowered HbA1c versus usual care.
Source
Diabetes self-management smartphone application for adults with type 1 diabetes: randomized controlled trial
Study at a glance
- Design
- RCT — Glucose Buddy app plus weekly CDE text feedback vs usual care
- N
- N=72 · Adults with type 1 diabetes; outcomes to 9 months
- Population
- Adults with type 1 diabetes using a smartphone self-management app
- Outcome
- HbA1c change vs usual care
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Glucose Buddy app associated with improved type 1 HbA1c in a trial
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
72 individuals were randomized.
Seventy-two individuals were randomized to the two groups.
Intervention baseline HbA1c mean 9.08% vs control 8.47%.
All patients in our study had poorly controlled diabetes at baseline; however, the intervention group had a significantly higher HbA 1c at baseline (mean 9.08%, SD 1.18 vs mean 8.47%, SD 0.86) and thus had a greater potential to improve their glycemic control.
What they did
Two-arm RCT randomized 72 adults with type 1 diabetes to Glucose Buddy smartphone self-management plus weekly CDE text feedback versus usual care, with outcomes to 9 months.
What they found
App plus feedback produced a significant HbA1c decrease versus usual care; usage frequency did not clearly mediate the HbA1c change.
The limits
What it doesn't show
Whether app alone without CDE texts works, long-term durability beyond the trial, or QoL gains despite better glycemia.
Key terms
- HbA1c
- Glycated hemoglobin reflecting average glucose over ~3 months.
- Type 1 diabetes
- Autoimmune insulin deficiency requiring lifelong insulin therapy.
- Glucose Buddy
- Smartphone diabetes self-management application used in the trial.
- Certified Diabetes Educator (CDE)
- Clinician providing structured diabetes education and feedback.
- Usual care
- Standard secondary diabetes care without the study app package.
- Self-management
- Patient behaviours monitoring and adjusting diabetes day to day.
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Randomized N was:
Common questions
How many people were randomized?
72 adults with type 1 diabetes.
What was the intervention package?
Glucose Buddy app plus weekly text-message feedback from a CDE.
What improved?
Glycemic control (HbA1c) versus usual care.
Did heavier app use clearly explain HbA1c change?
No significant mediation by usage/text frequency was shown.
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