A micro‐randomized pilot study to examine the impact of just‐in‐time nudging on after‐dinner snacking in adults with type 2 diabetes: A study protocol
An erratum to this article was published (Diabetes Obes Metab, Jul 2025 ↗)
Study context
- Population
- Adults with T2D aged 18–75 years, managed with diet or stable oral antidiabetic medications for ≥3 months, habitually snacking after dinner ≥3 nights per week
- Planned comparison
- Just-in-time picto-graphic nudge vs no nudge after dinner
- Primary endpoint
- Difference in incremental area under the CGM curve between nudging and non-nudging days
- Follow-up
- From 90 minutes after dinner until 04:00 AM
Methodological detailssingle-site, pilot, micro-randomized (daily, 1:1), 2-week lead-in phase, Lead-in and micro-randomized trial (MRT) phases: 24-hour glucose by continuous glucose monitoring (CGM), sleep by under-mattress sensor, dinner timing by photographing the evening meal
- Single-site
- Pilot
- Micro-randomized (daily, 1:1)
- 2-week lead-in phase
- Lead-in and MRT phases: 24-hour glucose by CGM, sleep by under-mattress sensor, dinner timing by photographing the evening meal
No results yet. This paper sets out the design of a trial; its results are to come.
Original publication
A micro‐randomized pilot study to examine the impact of just‐in‐time nudging on after‐dinner snacking in adults with type 2 diabetes: A study protocol. Diabetes Obes Metab. Published 29 June 2023. doi:10.
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