Effect of Christmas Holidays on Type 1 Diabetes Mellitus in Users of Glucose Flash Systems
Authors' conclusion
Christmas holidays are associated with a mild and reversible deterioration in glucose metrics among individuals with T1D using flash continuous glucose monitoring, irrespective of additional influencing factors. These discoveries can be useful to advise individuals with diabetes during the festive season and to recognize potential biases within studies conducted during this timeframe.
Study context
- Population
- Adults with T1D using flash CGM, 3 hospitals
- Participants
- 812 adults
- Exposure
- Christmas holidays vs December and February control periods
- Outcome
- TIR
Methodological detailsmulticentre (3 hospitals), adjusted analyses
- Multicentre (3 hospitals)
- Adjusted analyses
Main finding
As reported in the abstract
Christmas holidays vs December: P < 0.001 · Christmas holidays vs February: P < 0.001
- Linear regression: holidays reduced TIR by 1.9% (β = −1.92)
- P = 0.005
Observational data: associations, not effects.
Further findings
TAR >180 mg/dL — Christmas holidays vs December · higher with Christmas holidays
P < 0.001
| Outcome | P value |
|---|---|
| TAR >180 mg/dLChristmas holidays vs February · higher with Christmas holidays | P < 0.001 |
- TAR >180 mg/dL — Linear regression: holidays increased TAR >180 mg/dL by 1.8% (β = 1.75)
- P = .016
TAR >250 mg/dL, CV and average glucose
- Differences observed
- P < 0.05
TBR and other metrics
- No differences found
Original publication
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