Association of Smartphone-Based Activity Tracking and Nocturnal Hypoglycemia in People With Type 1 Diabetes
Authors' conclusion
Daily PA measured by a smartphone-based step tracker was associated with the risk of NH in people with type 1 diabetes.
Study context
- Population
- Adults with T1D for ≥5 years on MDI or CSII, not using CGM, HbA1c 6 to 10%; 65.4% females, median age 27 years (IQR 26–32), median HbA1c 7.6% (7.1–8.1)
- Participants
- 26 adults
- Outcome
- NH (sensor glucose <70, <54 mg/dl for ≥15 minutes) in relation to daily step count
Methodological detailsblinded flash glucose sensors, mixed effects logistic regression
- Blinded flash glucose sensors
- Mixed effects logistic regression
Main finding
As reported in the abstract
Effect of daily step count on NH <70 mg/dl
OR for nocturnal hypoglycemia (NH) <70 mg/dl per daily step count (DSC)
1.11
95% CI 1.01–1.23P = .04
Observational data: associations, not effects.
Further findings
Daily step count
- Median DSC (IQR 1820-4807)
- 2867
Original publication
Association of Smartphone-Based Activity Tracking and Nocturnal Hypoglycemia in People With Type 1 Diabetes. J Diabetes Sci Technol. Published 12 July 2023. doi:10.
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